CVE-2024-49886 (GCVE-0-2024-49886)

Vulnerability from cvelistv5 – Published: 2024-10-21 18:01 – Updated: 2026-08-05 11:40
VLAI
Title
platform/x86: ISST: Fix the KASAN report slab-out-of-bounds bug
Summary
In the Linux kernel, the following vulnerability has been resolved: platform/x86: ISST: Fix the KASAN report slab-out-of-bounds bug Attaching SST PCI device to VM causes "BUG: KASAN: slab-out-of-bounds". kasan report: [ 19.411889] ================================================================== [ 19.413702] BUG: KASAN: slab-out-of-bounds in _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.415634] Read of size 8 at addr ffff888829e65200 by task cpuhp/16/113 [ 19.417368] [ 19.418627] CPU: 16 PID: 113 Comm: cpuhp/16 Tainted: G E 6.9.0 #10 [ 19.420435] Hardware name: VMware, Inc. VMware20,1/440BX Desktop Reference Platform, BIOS VMW201.00V.20192059.B64.2207280713 07/28/2022 [ 19.422687] Call Trace: [ 19.424091] <TASK> [ 19.425448] dump_stack_lvl+0x5d/0x80 [ 19.426963] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.428694] print_report+0x19d/0x52e [ 19.430206] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 19.431837] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.433539] kasan_report+0xf0/0x170 [ 19.435019] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.436709] _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.438379] ? __pfx_sched_clock_cpu+0x10/0x10 [ 19.439910] isst_if_cpu_online+0x406/0x58f [isst_if_common] [ 19.441573] ? __pfx_isst_if_cpu_online+0x10/0x10 [isst_if_common] [ 19.443263] ? ttwu_queue_wakelist+0x2c1/0x360 [ 19.444797] cpuhp_invoke_callback+0x221/0xec0 [ 19.446337] cpuhp_thread_fun+0x21b/0x610 [ 19.447814] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 19.449354] smpboot_thread_fn+0x2e7/0x6e0 [ 19.450859] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 19.452405] kthread+0x29c/0x350 [ 19.453817] ? __pfx_kthread+0x10/0x10 [ 19.455253] ret_from_fork+0x31/0x70 [ 19.456685] ? __pfx_kthread+0x10/0x10 [ 19.458114] ret_from_fork_asm+0x1a/0x30 [ 19.459573] </TASK> [ 19.460853] [ 19.462055] Allocated by task 1198: [ 19.463410] kasan_save_stack+0x30/0x50 [ 19.464788] kasan_save_track+0x14/0x30 [ 19.466139] __kasan_kmalloc+0xaa/0xb0 [ 19.467465] __kmalloc+0x1cd/0x470 [ 19.468748] isst_if_cdev_register+0x1da/0x350 [isst_if_common] [ 19.470233] isst_if_mbox_init+0x108/0xff0 [isst_if_mbox_msr] [ 19.471670] do_one_initcall+0xa4/0x380 [ 19.472903] do_init_module+0x238/0x760 [ 19.474105] load_module+0x5239/0x6f00 [ 19.475285] init_module_from_file+0xd1/0x130 [ 19.476506] idempotent_init_module+0x23b/0x650 [ 19.477725] __x64_sys_finit_module+0xbe/0x130 [ 19.476506] idempotent_init_module+0x23b/0x650 [ 19.477725] __x64_sys_finit_module+0xbe/0x130 [ 19.478920] do_syscall_64+0x82/0x160 [ 19.480036] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 19.481292] [ 19.482205] The buggy address belongs to the object at ffff888829e65000 which belongs to the cache kmalloc-512 of size 512 [ 19.484818] The buggy address is located 0 bytes to the right of allocated 512-byte region [ffff888829e65000, ffff888829e65200) [ 19.487447] [ 19.488328] The buggy address belongs to the physical page: [ 19.489569] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888829e60c00 pfn:0x829e60 [ 19.491140] head: order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 19.492466] anon flags: 0x57ffffc0000840(slab|head|node=1|zone=2|lastcpupid=0x1fffff) [ 19.493914] page_type: 0xffffffff() [ 19.494988] raw: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001 [ 19.496451] raw: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000 [ 19.497906] head: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001 [ 19.499379] head: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000 [ 19.500844] head: 0057ffffc0000003 ffffea0020a79801 ffffea0020a79848 00000000ffffffff [ 19.502316] head: 0000000800000000 0000000000000000 00000000ffffffff 0000000000000000 [ 19.503784] page dumped because: k ---truncated---
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 13:44 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 017a634f9f38ae704d9d57817555773de700219e , < 1973c4d8ee0782a808303d75e3be9c12baaacd97 (git)
Affected: 9a1aac8a96dc014bec49806a7a964bf2fdbd315f , < cdd03afcb6eda3103da5a0948d3db12372f62910 (git)
Affected: 9a1aac8a96dc014bec49806a7a964bf2fdbd315f , < 8176d4878ed2af5d93ddd0e971e24c412124d38b (git)
Affected: 9a1aac8a96dc014bec49806a7a964bf2fdbd315f , < cebc705b097d5c16469b141a25e840161d1c517a (git)
Affected: 9a1aac8a96dc014bec49806a7a964bf2fdbd315f , < afa7f78d9a907cfded6c98c91aae2bf7b3b56e51 (git)
Affected: 9a1aac8a96dc014bec49806a7a964bf2fdbd315f , < 7d59ac07ccb58f8f604f8057db63b8efcebeb3de (git)
Affected: 5.15.115 , < 5.15.168 (semver)
guessed Create a notification for this product.
Linux Linux Affected: 6.0
Unaffected: 0 , < 6.0 (semver)
Unaffected: 5.15.168 , ≤ 5.15.* (semver)
Unaffected: 6.1.113 , ≤ 6.1.* (semver)
Unaffected: 6.6.55 , ≤ 6.6.* (semver)
Unaffected: 6.10.14 , ≤ 6.10.* (semver)
Unaffected: 6.11.3 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: ISST: Fix the KASAN report slab-out-of-bounds bug\n\nAttaching SST PCI device to VM causes \"BUG: KASAN: slab-out-of-bounds\".\nkasan report:\n[   19.411889] ==================================================================\n[   19.413702] BUG: KASAN: slab-out-of-bounds in _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[   19.415634] Read of size 8 at addr ffff888829e65200 by task cpuhp/16/113\n[   19.417368]\n[   19.418627] CPU: 16 PID: 113 Comm: cpuhp/16 Tainted: G            E      6.9.0 #10\n[   19.420435] Hardware name: VMware, Inc. VMware20,1/440BX Desktop Reference Platform, BIOS VMW201.00V.20192059.B64.2207280713 07/28/2022\n[   19.422687] Call Trace:\n[   19.424091]  \u003cTASK\u003e\n[   19.425448]  dump_stack_lvl+0x5d/0x80\n[   19.426963]  ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[   19.428694]  print_report+0x19d/0x52e\n[   19.430206]  ? __pfx__raw_spin_lock_irqsave+0x10/0x10\n[   19.431837]  ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[   19.433539]  kasan_report+0xf0/0x170\n[   19.435019]  ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[   19.436709]  _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[   19.438379]  ? __pfx_sched_clock_cpu+0x10/0x10\n[   19.439910]  isst_if_cpu_online+0x406/0x58f [isst_if_common]\n[   19.441573]  ? __pfx_isst_if_cpu_online+0x10/0x10 [isst_if_common]\n[   19.443263]  ? ttwu_queue_wakelist+0x2c1/0x360\n[   19.444797]  cpuhp_invoke_callback+0x221/0xec0\n[   19.446337]  cpuhp_thread_fun+0x21b/0x610\n[   19.447814]  ? __pfx_cpuhp_thread_fun+0x10/0x10\n[   19.449354]  smpboot_thread_fn+0x2e7/0x6e0\n[   19.450859]  ? __pfx_smpboot_thread_fn+0x10/0x10\n[   19.452405]  kthread+0x29c/0x350\n[   19.453817]  ? __pfx_kthread+0x10/0x10\n[   19.455253]  ret_from_fork+0x31/0x70\n[   19.456685]  ? __pfx_kthread+0x10/0x10\n[   19.458114]  ret_from_fork_asm+0x1a/0x30\n[   19.459573]  \u003c/TASK\u003e\n[   19.460853]\n[   19.462055] Allocated by task 1198:\n[   19.463410]  kasan_save_stack+0x30/0x50\n[   19.464788]  kasan_save_track+0x14/0x30\n[   19.466139]  __kasan_kmalloc+0xaa/0xb0\n[   19.467465]  __kmalloc+0x1cd/0x470\n[   19.468748]  isst_if_cdev_register+0x1da/0x350 [isst_if_common]\n[   19.470233]  isst_if_mbox_init+0x108/0xff0 [isst_if_mbox_msr]\n[   19.471670]  do_one_initcall+0xa4/0x380\n[   19.472903]  do_init_module+0x238/0x760\n[   19.474105]  load_module+0x5239/0x6f00\n[   19.475285]  init_module_from_file+0xd1/0x130\n[   19.476506]  idempotent_init_module+0x23b/0x650\n[   19.477725]  __x64_sys_finit_module+0xbe/0x130\n[   19.476506]  idempotent_init_module+0x23b/0x650\n[   19.477725]  __x64_sys_finit_module+0xbe/0x130\n[   19.478920]  do_syscall_64+0x82/0x160\n[   19.480036]  entry_SYSCALL_64_after_hwframe+0x76/0x7e\n[   19.481292]\n[   19.482205] The buggy address belongs to the object at ffff888829e65000\n which belongs to the cache kmalloc-512 of size 512\n[   19.484818] The buggy address is located 0 bytes to the right of\n allocated 512-byte region [ffff888829e65000, ffff888829e65200)\n[   19.487447]\n[   19.488328] The buggy address belongs to the physical page:\n[   19.489569] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888829e60c00 pfn:0x829e60\n[   19.491140] head: order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0\n[   19.492466] anon flags: 0x57ffffc0000840(slab|head|node=1|zone=2|lastcpupid=0x1fffff)\n[   19.493914] page_type: 0xffffffff()\n[   19.494988] raw: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001\n[   19.496451] raw: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000\n[   19.497906] head: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001\n[   19.499379] head: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000\n[   19.500844] head: 0057ffffc0000003 ffffea0020a79801 ffffea0020a79848 00000000ffffffff\n[   19.502316] head: 0000000800000000 0000000000000000 00000000ffffffff 0000000000000000\n[   19.503784] page dumped because: k\n---truncated---"
        }
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        {
          "cvssV3_1": {
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
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              "lang": "en",
              "value": "AV:L - The vulnerable code is reached only through a local `ioctl()` on the `/dev/isst_interface` misc device or through the local CPU-hotplug callback `isst_if_cpu_online()`; there is no network-facing consumer of `isst_if_get_pci_dev()`.\nAC:L - On an affected platform (sparse physical package IDs \u2014 any VMware/hypervisor guest with the SST PCI device attached, or gapped firmware topology) the out-of-bounds index is deterministic, and the attacker simply issues the ISST ioctl naming the relevant `logical_cpu`, reliably re-triggering it as often as desired to groom the adjacent slab.\nPR:L - The driver deliberately permits non-`CAP_SYS_ADMIN` callers down this path \u2014 `isst_if_mmio.c:53` and `isst_if_mbox_pci.c:129` gate only write/set requests, so read commands from an unprivileged process holding the device fd reach `_isst_if_get_pci_dev()` with an arbitrary CPU index and no capability check.\nUI:N - The attacker triggers the out-of-bounds access entirely on their own via ioctl, and the hotplug path fires automatically at module load with no victim action required.\nS:U - The heap corruption and wild-pointer dereference stay within the kernel\u0027s own security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The out-of-bounds read pulls a value from an adjacent slab object and hands it back as a `struct pci_dev *`, which is then dereferenced and used to perform `readl()` at an attacker-chosen offset, yielding kernel memory/MMIO disclosure well beyond a bounded leak.\nI:H - `isst_pkg_info[pkg_id].pci_dev[bus_no] = _pci_dev` writes a kernel pointer past the end of the allocation, corrupting the neighbouring slab object, and the confused `punit_dev` can drive `writel()` at a controlled offset \u2014 both are exploitable write primitives.\nA:H - KASAN reports a slab-out-of-bounds and the resulting garbage `pci_dev` pointer is dereferenced immediately in `pci_get_drvdata()`, producing an oops/panic; on affected platforms this occurs unconditionally during CPU bring-up."
            }
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      "title": "platform/x86: ISST: Fix the KASAN report slab-out-of-bounds bug",
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    "dateUpdated": "2026-08-05T11:40:23.589Z",
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "1745FED1-C7B9-44F6-A2B7-C2FED07A22C8",
                  "versionEndExcluding": "5.15.168",
                  "versionStartIncluding": "5.15.115",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "E43F7555-891D-4BA1-85D1-7A6816C6083B",
                  "versionEndExcluding": "6.1.113",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "E90B9576-56C4-47BC-AAB0-C5B2D438F5D0",
                  "versionEndExcluding": "6.6.55",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "4C16BCE0-FFA0-4599-BE0A-1FD65101C021",
                  "versionEndExcluding": "6.10.14",
                  "versionStartIncluding": "6.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "54D9C704-D679-41A7-9C40-10A6B1E7FFE9",
                  "versionEndExcluding": "6.11.3",
                  "versionStartIncluding": "6.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*",
                  "matchCriteriaId": "7F361E1D-580F-4A2D-A509-7615F73167A1",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: ISST: Fix the KASAN report slab-out-of-bounds bug\n\nAttaching SST PCI device to VM causes \"BUG: KASAN: slab-out-of-bounds\".\nkasan report:\n[   19.411889] ==================================================================\n[   19.413702] BUG: KASAN: slab-out-of-bounds in _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[   19.415634] Read of size 8 at addr ffff888829e65200 by task cpuhp/16/113\n[   19.417368]\n[   19.418627] CPU: 16 PID: 113 Comm: cpuhp/16 Tainted: G            E      6.9.0 #10\n[   19.420435] Hardware name: VMware, Inc. VMware20,1/440BX Desktop Reference Platform, BIOS VMW201.00V.20192059.B64.2207280713 07/28/2022\n[   19.422687] Call Trace:\n[   19.424091]  \u003cTASK\u003e\n[   19.425448]  dump_stack_lvl+0x5d/0x80\n[   19.426963]  ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[   19.428694]  print_report+0x19d/0x52e\n[   19.430206]  ? __pfx__raw_spin_lock_irqsave+0x10/0x10\n[   19.431837]  ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[   19.433539]  kasan_report+0xf0/0x170\n[   19.435019]  ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[   19.436709]  _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[   19.438379]  ? __pfx_sched_clock_cpu+0x10/0x10\n[   19.439910]  isst_if_cpu_online+0x406/0x58f [isst_if_common]\n[   19.441573]  ? __pfx_isst_if_cpu_online+0x10/0x10 [isst_if_common]\n[   19.443263]  ? ttwu_queue_wakelist+0x2c1/0x360\n[   19.444797]  cpuhp_invoke_callback+0x221/0xec0\n[   19.446337]  cpuhp_thread_fun+0x21b/0x610\n[   19.447814]  ? __pfx_cpuhp_thread_fun+0x10/0x10\n[   19.449354]  smpboot_thread_fn+0x2e7/0x6e0\n[   19.450859]  ? __pfx_smpboot_thread_fn+0x10/0x10\n[   19.452405]  kthread+0x29c/0x350\n[   19.453817]  ? __pfx_kthread+0x10/0x10\n[   19.455253]  ret_from_fork+0x31/0x70\n[   19.456685]  ? __pfx_kthread+0x10/0x10\n[   19.458114]  ret_from_fork_asm+0x1a/0x30\n[   19.459573]  \u003c/TASK\u003e\n[   19.460853]\n[   19.462055] Allocated by task 1198:\n[   19.463410]  kasan_save_stack+0x30/0x50\n[   19.464788]  kasan_save_track+0x14/0x30\n[   19.466139]  __kasan_kmalloc+0xaa/0xb0\n[   19.467465]  __kmalloc+0x1cd/0x470\n[   19.468748]  isst_if_cdev_register+0x1da/0x350 [isst_if_common]\n[   19.470233]  isst_if_mbox_init+0x108/0xff0 [isst_if_mbox_msr]\n[   19.471670]  do_one_initcall+0xa4/0x380\n[   19.472903]  do_init_module+0x238/0x760\n[   19.474105]  load_module+0x5239/0x6f00\n[   19.475285]  init_module_from_file+0xd1/0x130\n[   19.476506]  idempotent_init_module+0x23b/0x650\n[   19.477725]  __x64_sys_finit_module+0xbe/0x130\n[   19.476506]  idempotent_init_module+0x23b/0x650\n[   19.477725]  __x64_sys_finit_module+0xbe/0x130\n[   19.478920]  do_syscall_64+0x82/0x160\n[   19.480036]  entry_SYSCALL_64_after_hwframe+0x76/0x7e\n[   19.481292]\n[   19.482205] The buggy address belongs to the object at ffff888829e65000\n which belongs to the cache kmalloc-512 of size 512\n[   19.484818] The buggy address is located 0 bytes to the right of\n allocated 512-byte region [ffff888829e65000, ffff888829e65200)\n[   19.487447]\n[   19.488328] The buggy address belongs to the physical page:\n[   19.489569] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888829e60c00 pfn:0x829e60\n[   19.491140] head: order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0\n[   19.492466] anon flags: 0x57ffffc0000840(slab|head|node=1|zone=2|lastcpupid=0x1fffff)\n[   19.493914] page_type: 0xffffffff()\n[   19.494988] raw: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001\n[   19.496451] raw: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000\n[   19.497906] head: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001\n[   19.499379] head: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000\n[   19.500844] head: 0057ffffc0000003 ffffea0020a79801 ffffea0020a79848 00000000ffffffff\n[   19.502316] head: 0000000800000000 0000000000000000 00000000ffffffff 0000000000000000\n[   19.503784] page dumped because: k\n---truncated---"
        },
        {
          "lang": "es",
          "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: plataforma/x86: ISST: Se corrige el error de informe KASAN slab-out-of-bounds. Conectar un dispositivo PCI SST a una m\u00e1quina virtual provoca \"BUG: KASAN: slab-out-of-bounds\". informe de kasan: [ 19.411889] ======================================================================= [ 19.413702] ERROR: KASAN: slab fuera de los l\u00edmites en _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.415634] Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff888829e65200 por la tarea cpuhp/16/113 [ 19.417368] [ 19.418627] CPU: 16 PID: 113 Comm: cpuhp/16 Contaminado: GE 6.9.0 #10 [ 19.420435] Nombre del hardware: VMware, Inc. VMware20,1/440BX Desktop Reference Platform, BIOS VMW201.00V.20192059.B64.2207280713 28/07/2022 [ 19.422687] Seguimiento de llamadas: [ 19.424091]  [ 19.425448] dump_stack_lvl+0x5d/0x80 [ 19.426963] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.428694] print_report+0x19d/0x52e [ 19.430206] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 19.431837] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.433539] kasan_report+0xf0/0x170 [ 19.435019] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.436709] _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.438379] ? __pfx_sched_clock_cpu+0x10/0x10 [ 19.439910] isst_if_cpu_online+0x406/0x58f [isst_if_common] [ 19.441573] ? __pfx_isst_if_cpu_online+0x10/0x10 [isst_if_common] [ 19.443263] ? ttwu_queue_wakelist+0x2c1/0x360 [ 19.444797] cpuhp_invoke_callback+0x221/0xec0 [ 19.446337] cpuhp_thread_fun+0x21b/0x610 [ 19.447814] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 19.449354] smpboot_thread_fn+0x2e7/0x6e0 [ 19.450859] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 19.452405] kthread+0x29c/0x350 [ 19.453817] ? __pfx_kthread+0x10/0x10 [ 19.455253] ret_from_fork+0x31/0x70 [ 19.456685] ? __pfx_kthread+0x10/0x10 [ 19.458114] ret_from_fork_asm+0x1a/0x30 [ 19.459573]  [ 19.460853] [ 19.462055] Asignado por la tarea 1198: [ 19.463410] kasan_save_stack+0x30/0x50 [ 19.464788] kasan_save_track+0x14/0x30 [ 19.466139] __kasan_kmalloc+0xaa/0xb0 [ 19.467465] __kmalloc+0x1cd/0x470 [ 19.468748] isst_if_cdev_register+0x1da/0x350 [isst_if_common] [ 19.470233] isst_if_mbox_init+0x108/0xff0 [isst_if_mbox_msr] [ 19.471670] do_one_initcall+0xa4/0x380 [ 19.472903] do_init_module+0x238/0x760 [ 19.474105] load_module+0x5239/0x6f00 [ 19.475285] init_module_from_file+0xd1/0x130 [ 19.476506] idempotent_init_module+0x23b/0x650 [ 19.477725] __x64_sys_finit_module+0xbe/0x130 [ 19.476506] idempotent_init_module+0x23b/0x650 [ 19.477725] __x64_sys_finit_module+0xbe/0x130 [ 19.478920] do_syscall_64+0x82/0x160 [ 19.480036] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 19.481292] [ 19.482205] La direcci\u00f3n con errores pertenece al objeto en ffff888829e65000 que pertenece a la cach\u00e9 kmalloc-512 de tama\u00f1o 512 [ 19.484818] La direcci\u00f3n con errores se encuentra 0 bytes a la derecha de la regi\u00f3n asignada de 512 bytes [ffff888829e65000, ffff888829e65200) [ 19.487447] [ 19.488328] La direcci\u00f3n con errores pertenece a la p\u00e1gina f\u00edsica: [ 19.489569] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888829e60c00 pfn:0x829e60 [ 19.491140] head: order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 19.492466] anon flags: 0x57ffffc0000840(losa|cabeza|nodo=1|zona=2|lastcpupid=0x1fffff) [ 19.493914] tipo_de_p\u00e1gina: 0xffffffff() [ 19.494988] sin procesar: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001 [ 19.496451] sin procesar: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000 [ 19.497906] cabeza: 0057ffffc0000840 ffff88810004cc80 0000000000000000 000000000000001 [ 19.499379] cabeza: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000 [ 19.500844] cabeza: 0057ffffc0000003 ffffea0020a79801 ffffea0020a79848 00000000ffffffff [ 19.502316] cabeza: 0000000800000000 0000000000000000 00000000ffffffff 000000000000000 [ 19.503784] p\u00e1gina volcada porque: k ---truncada---"
        }
      ],
      "id": "CVE-2024-49886",
      "lastModified": "2024-11-13T14:39:36.240",
      "metrics": {
        "cvssMetricV31": [
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            },
            "exploitabilityScore": 1.8,
            "impactScore": 3.6,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2024-10-21T18:15:11.293",
      "references": [
        {
          "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/1973c4d8ee0782a808303d75e3be9c12baaacd97"
        },
        {
          "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/7d59ac07ccb58f8f604f8057db63b8efcebeb3de"
        },
        {
          "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/8176d4878ed2af5d93ddd0e971e24c412124d38b"
        },
        {
          "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/afa7f78d9a907cfded6c98c91aae2bf7b3b56e51"
        },
        {
          "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/cdd03afcb6eda3103da5a0948d3db12372f62910"
        },
        {
          "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
          "tags": [
            "Patch"
          ],
          "url": "https://git.kernel.org/stable/c/cebc705b097d5c16469b141a25e840161d1c517a"
        }
      ],
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Analyzed",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "NVD-CWE-noinfo"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Linux",
                "programFiles": [
                  "drivers/platform/x86/intel/speed_select_if/isst_if_common.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "lessThan": "1973c4d8ee0782a808303d75e3be9c12baaacd97",
                    "status": "affected",
                    "version": "017a634f9f38ae704d9d57817555773de700219e",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "cdd03afcb6eda3103da5a0948d3db12372f62910",
                    "status": "affected",
                    "version": "9a1aac8a96dc014bec49806a7a964bf2fdbd315f",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "8176d4878ed2af5d93ddd0e971e24c412124d38b",
                    "status": "affected",
                    "version": "9a1aac8a96dc014bec49806a7a964bf2fdbd315f",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "cebc705b097d5c16469b141a25e840161d1c517a",
                    "status": "affected",
                    "version": "9a1aac8a96dc014bec49806a7a964bf2fdbd315f",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "afa7f78d9a907cfded6c98c91aae2bf7b3b56e51",
                    "status": "affected",
                    "version": "9a1aac8a96dc014bec49806a7a964bf2fdbd315f",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "7d59ac07ccb58f8f604f8057db63b8efcebeb3de",
                    "status": "affected",
                    "version": "9a1aac8a96dc014bec49806a7a964bf2fdbd315f",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "5.15.168",
                    "status": "affected",
                    "version": "5.15.115",
                    "versionType": "semver"
                  }
                ]
              },
              {
                "defaultStatus": "affected",
                "product": "Linux",
                "programFiles": [
                  "drivers/platform/x86/intel/speed_select_if/isst_if_common.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "status": "affected",
                    "version": "6.0"
                  },
                  {
                    "lessThan": "6.0",
                    "status": "unaffected",
                    "version": "0",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "5.15.*",
                    "status": "unaffected",
                    "version": "5.15.168",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.1.*",
                    "status": "unaffected",
                    "version": "6.1.113",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.6.*",
                    "status": "unaffected",
                    "version": "6.6.55",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.10.*",
                    "status": "unaffected",
                    "version": "6.10.14",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.11.*",
                    "status": "unaffected",
                    "version": "6.11.3",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "*",
                    "status": "unaffected",
                    "version": "6.12",
                    "versionType": "original_commit_for_fix"
                  }
                ]
              }
            ],
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "1745FED1-C7B9-44F6-A2B7-C2FED07A22C8",
                    "versionEndExcluding": "5.15.168",
                    "versionStartIncluding": "5.15.115",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "E43F7555-891D-4BA1-85D1-7A6816C6083B",
                    "versionEndExcluding": "6.1.113",
                    "versionStartIncluding": "6.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "E90B9576-56C4-47BC-AAB0-C5B2D438F5D0",
                    "versionEndExcluding": "6.6.55",
                    "versionStartIncluding": "6.2",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "4C16BCE0-FFA0-4599-BE0A-1FD65101C021",
                    "versionEndExcluding": "6.10.14",
                    "versionStartIncluding": "6.7",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "54D9C704-D679-41A7-9C40-10A6B1E7FFE9",
                    "versionEndExcluding": "6.11.3",
                    "versionStartIncluding": "6.11",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*",
                    "matchCriteriaId": "7F361E1D-580F-4A2D-A509-7615F73167A1",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: ISST: Fix the KASAN report slab-out-of-bounds bug\n\nAttaching SST PCI device to VM causes \"BUG: KASAN: slab-out-of-bounds\".\nkasan report:\n[   19.411889] ==================================================================\n[   19.413702] BUG: KASAN: slab-out-of-bounds in _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[   19.415634] Read of size 8 at addr ffff888829e65200 by task cpuhp/16/113\n[   19.417368]\n[   19.418627] CPU: 16 PID: 113 Comm: cpuhp/16 Tainted: G            E      6.9.0 #10\n[   19.420435] Hardware name: VMware, Inc. VMware20,1/440BX Desktop Reference Platform, BIOS VMW201.00V.20192059.B64.2207280713 07/28/2022\n[   19.422687] Call Trace:\n[   19.424091]  \u003cTASK\u003e\n[   19.425448]  dump_stack_lvl+0x5d/0x80\n[   19.426963]  ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[   19.428694]  print_report+0x19d/0x52e\n[   19.430206]  ? __pfx__raw_spin_lock_irqsave+0x10/0x10\n[   19.431837]  ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[   19.433539]  kasan_report+0xf0/0x170\n[   19.435019]  ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[   19.436709]  _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[   19.438379]  ? __pfx_sched_clock_cpu+0x10/0x10\n[   19.439910]  isst_if_cpu_online+0x406/0x58f [isst_if_common]\n[   19.441573]  ? __pfx_isst_if_cpu_online+0x10/0x10 [isst_if_common]\n[   19.443263]  ? ttwu_queue_wakelist+0x2c1/0x360\n[   19.444797]  cpuhp_invoke_callback+0x221/0xec0\n[   19.446337]  cpuhp_thread_fun+0x21b/0x610\n[   19.447814]  ? __pfx_cpuhp_thread_fun+0x10/0x10\n[   19.449354]  smpboot_thread_fn+0x2e7/0x6e0\n[   19.450859]  ? __pfx_smpboot_thread_fn+0x10/0x10\n[   19.452405]  kthread+0x29c/0x350\n[   19.453817]  ? __pfx_kthread+0x10/0x10\n[   19.455253]  ret_from_fork+0x31/0x70\n[   19.456685]  ? __pfx_kthread+0x10/0x10\n[   19.458114]  ret_from_fork_asm+0x1a/0x30\n[   19.459573]  \u003c/TASK\u003e\n[   19.460853]\n[   19.462055] Allocated by task 1198:\n[   19.463410]  kasan_save_stack+0x30/0x50\n[   19.464788]  kasan_save_track+0x14/0x30\n[   19.466139]  __kasan_kmalloc+0xaa/0xb0\n[   19.467465]  __kmalloc+0x1cd/0x470\n[   19.468748]  isst_if_cdev_register+0x1da/0x350 [isst_if_common]\n[   19.470233]  isst_if_mbox_init+0x108/0xff0 [isst_if_mbox_msr]\n[   19.471670]  do_one_initcall+0xa4/0x380\n[   19.472903]  do_init_module+0x238/0x760\n[   19.474105]  load_module+0x5239/0x6f00\n[   19.475285]  init_module_from_file+0xd1/0x130\n[   19.476506]  idempotent_init_module+0x23b/0x650\n[   19.477725]  __x64_sys_finit_module+0xbe/0x130\n[   19.476506]  idempotent_init_module+0x23b/0x650\n[   19.477725]  __x64_sys_finit_module+0xbe/0x130\n[   19.478920]  do_syscall_64+0x82/0x160\n[   19.480036]  entry_SYSCALL_64_after_hwframe+0x76/0x7e\n[   19.481292]\n[   19.482205] The buggy address belongs to the object at ffff888829e65000\n which belongs to the cache kmalloc-512 of size 512\n[   19.484818] The buggy address is located 0 bytes to the right of\n allocated 512-byte region [ffff888829e65000, ffff888829e65200)\n[   19.487447]\n[   19.488328] The buggy address belongs to the physical page:\n[   19.489569] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888829e60c00 pfn:0x829e60\n[   19.491140] head: order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0\n[   19.492466] anon flags: 0x57ffffc0000840(slab|head|node=1|zone=2|lastcpupid=0x1fffff)\n[   19.493914] page_type: 0xffffffff()\n[   19.494988] raw: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001\n[   19.496451] raw: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000\n[   19.497906] head: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001\n[   19.499379] head: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000\n[   19.500844] head: 0057ffffc0000003 ffffea0020a79801 ffffea0020a79848 00000000ffffffff\n[   19.502316] head: 0000000800000000 0000000000000000 00000000ffffffff 0000000000000000\n[   19.503784] page dumped because: k\n---truncated---"
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: plataforma/x86: ISST: Se corrige el error de informe KASAN slab-out-of-bounds. Conectar un dispositivo PCI SST a una m\u00e1quina virtual provoca \"BUG: KASAN: slab-out-of-bounds\". informe de kasan: [ 19.411889] ======================================================================= [ 19.413702] ERROR: KASAN: slab fuera de los l\u00edmites en _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.415634] Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff888829e65200 por la tarea cpuhp/16/113 [ 19.417368] [ 19.418627] CPU: 16 PID: 113 Comm: cpuhp/16 Contaminado: GE 6.9.0 #10 [ 19.420435] Nombre del hardware: VMware, Inc. VMware20,1/440BX Desktop Reference Platform, BIOS VMW201.00V.20192059.B64.2207280713 28/07/2022 [ 19.422687] Seguimiento de llamadas: [ 19.424091]  [ 19.425448] dump_stack_lvl+0x5d/0x80 [ 19.426963] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.428694] print_report+0x19d/0x52e [ 19.430206] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 19.431837] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.433539] kasan_report+0xf0/0x170 [ 19.435019] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.436709] _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.438379] ? __pfx_sched_clock_cpu+0x10/0x10 [ 19.439910] isst_if_cpu_online+0x406/0x58f [isst_if_common] [ 19.441573] ? __pfx_isst_if_cpu_online+0x10/0x10 [isst_if_common] [ 19.443263] ? ttwu_queue_wakelist+0x2c1/0x360 [ 19.444797] cpuhp_invoke_callback+0x221/0xec0 [ 19.446337] cpuhp_thread_fun+0x21b/0x610 [ 19.447814] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 19.449354] smpboot_thread_fn+0x2e7/0x6e0 [ 19.450859] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 19.452405] kthread+0x29c/0x350 [ 19.453817] ? __pfx_kthread+0x10/0x10 [ 19.455253] ret_from_fork+0x31/0x70 [ 19.456685] ? __pfx_kthread+0x10/0x10 [ 19.458114] ret_from_fork_asm+0x1a/0x30 [ 19.459573]  [ 19.460853] [ 19.462055] Asignado por la tarea 1198: [ 19.463410] kasan_save_stack+0x30/0x50 [ 19.464788] kasan_save_track+0x14/0x30 [ 19.466139] __kasan_kmalloc+0xaa/0xb0 [ 19.467465] __kmalloc+0x1cd/0x470 [ 19.468748] isst_if_cdev_register+0x1da/0x350 [isst_if_common] [ 19.470233] isst_if_mbox_init+0x108/0xff0 [isst_if_mbox_msr] [ 19.471670] do_one_initcall+0xa4/0x380 [ 19.472903] do_init_module+0x238/0x760 [ 19.474105] load_module+0x5239/0x6f00 [ 19.475285] init_module_from_file+0xd1/0x130 [ 19.476506] idempotent_init_module+0x23b/0x650 [ 19.477725] __x64_sys_finit_module+0xbe/0x130 [ 19.476506] idempotent_init_module+0x23b/0x650 [ 19.477725] __x64_sys_finit_module+0xbe/0x130 [ 19.478920] do_syscall_64+0x82/0x160 [ 19.480036] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 19.481292] [ 19.482205] La direcci\u00f3n con errores pertenece al objeto en ffff888829e65000 que pertenece a la cach\u00e9 kmalloc-512 de tama\u00f1o 512 [ 19.484818] La direcci\u00f3n con errores se encuentra 0 bytes a la derecha de la regi\u00f3n asignada de 512 bytes [ffff888829e65000, ffff888829e65200) [ 19.487447] [ 19.488328] La direcci\u00f3n con errores pertenece a la p\u00e1gina f\u00edsica: [ 19.489569] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888829e60c00 pfn:0x829e60 [ 19.491140] head: order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 19.492466] anon flags: 0x57ffffc0000840(losa|cabeza|nodo=1|zona=2|lastcpupid=0x1fffff) [ 19.493914] tipo_de_p\u00e1gina: 0xffffffff() [ 19.494988] sin procesar: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001 [ 19.496451] sin procesar: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000 [ 19.497906] cabeza: 0057ffffc0000840 ffff88810004cc80 0000000000000000 000000000000001 [ 19.499379] cabeza: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000 [ 19.500844] cabeza: 0057ffffc0000003 ffffea0020a79801 ffffea0020a79848 00000000ffffffff [ 19.502316] cabeza: 0000000800000000 0000000000000000 00000000ffffffff 000000000000000 [ 19.503784] p\u00e1gina volcada porque: k ---truncada---"
          }
        ],
        "id": "CVE-2024-49886",
        "lastModified": "2026-08-04T11:20:56.427",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 5.9,
              "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
              "type": "Secondary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2024-49886",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-22T13:44:59.932755Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2024-10-21T18:15:11.293",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/1973c4d8ee0782a808303d75e3be9c12baaacd97"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/7d59ac07ccb58f8f604f8057db63b8efcebeb3de"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/8176d4878ed2af5d93ddd0e971e24c412124d38b"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/afa7f78d9a907cfded6c98c91aae2bf7b3b56e51"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/cdd03afcb6eda3103da5a0948d3db12372f62910"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/cebc705b097d5c16469b141a25e840161d1c517a"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-noinfo"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-09-13T15:24:36+00:00",
      "cve": "CVE-2024-49886",
      "id": "CVE-2024-49886",
      "initial_release_date": "2024-10-21T00:00:00+00:00",
      "product_status:fixed": "305",
      "product_status:known_affected": "70",
      "product_status:known_not_affected": "42",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: platform/x86: ISST: Fix the KASAN report slab-out-of-bounds bug",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-49886.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-19T02:17:58Z",
      "cve": "CVE-2024-49886",
      "id": "CVE-2024-49886",
      "initial_release_date": "2024-10-24T03:18:57Z",
      "product_status:known_affected": "428",
      "product_status:known_not_affected": "294",
      "product_status:recommended": "681",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-49886",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-49886.json",
      "version": "68"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2025-11-03T22:22:52.521Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2024-49886",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-10-22T13:44:59.932755Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2024-10-22T13:45:03.452Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Linux",
              "programFiles": [
                "drivers/platform/x86/intel/speed_select_if/isst_if_common.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "lessThan": "1973c4d8ee0782a808303d75e3be9c12baaacd97",
                  "status": "affected",
                  "version": "017a634f9f38ae704d9d57817555773de700219e",
                  "versionType": "git"
                },
                {
                  "lessThan": "cdd03afcb6eda3103da5a0948d3db12372f62910",
                  "status": "affected",
                  "version": "9a1aac8a96dc014bec49806a7a964bf2fdbd315f",
                  "versionType": "git"
                },
                {
                  "lessThan": "8176d4878ed2af5d93ddd0e971e24c412124d38b",
                  "status": "affected",
                  "version": "9a1aac8a96dc014bec49806a7a964bf2fdbd315f",
                  "versionType": "git"
                },
                {
                  "lessThan": "cebc705b097d5c16469b141a25e840161d1c517a",
                  "status": "affected",
                  "version": "9a1aac8a96dc014bec49806a7a964bf2fdbd315f",
                  "versionType": "git"
                },
                {
                  "lessThan": "afa7f78d9a907cfded6c98c91aae2bf7b3b56e51",
                  "status": "affected",
                  "version": "9a1aac8a96dc014bec49806a7a964bf2fdbd315f",
                  "versionType": "git"
                },
                {
                  "lessThan": "7d59ac07ccb58f8f604f8057db63b8efcebeb3de",
                  "status": "affected",
                  "version": "9a1aac8a96dc014bec49806a7a964bf2fdbd315f",
                  "versionType": "git"
                },
                {
                  "lessThan": "5.15.168",
                  "status": "affected",
                  "version": "5.15.115",
                  "versionType": "semver"
                }
              ]
            },
            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
                "drivers/platform/x86/intel/speed_select_if/isst_if_common.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "6.0"
                },
                {
                  "lessThan": "6.0",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.15.*",
                  "status": "unaffected",
                  "version": "5.15.168",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.1.*",
                  "status": "unaffected",
                  "version": "6.1.113",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.6.*",
                  "status": "unaffected",
                  "version": "6.6.55",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.10.*",
                  "status": "unaffected",
                  "version": "6.10.14",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.11.*",
                  "status": "unaffected",
                  "version": "6.11.3",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.12",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.15.168",
                      "versionStartIncluding": "5.15.115",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.1.113",
                      "versionStartIncluding": "6.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.6.55",
                      "versionStartIncluding": "6.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.10.14",
                      "versionStartIncluding": "6.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.11.3",
                      "versionStartIncluding": "6.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.12",
                      "versionStartIncluding": "6.0",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: ISST: Fix the KASAN report slab-out-of-bounds bug\n\nAttaching SST PCI device to VM causes \"BUG: KASAN: slab-out-of-bounds\".\nkasan report:\n[   19.411889] ==================================================================\n[   19.413702] BUG: KASAN: slab-out-of-bounds in _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[   19.415634] Read of size 8 at addr ffff888829e65200 by task cpuhp/16/113\n[   19.417368]\n[   19.418627] CPU: 16 PID: 113 Comm: cpuhp/16 Tainted: G            E      6.9.0 #10\n[   19.420435] Hardware name: VMware, Inc. VMware20,1/440BX Desktop Reference Platform, BIOS VMW201.00V.20192059.B64.2207280713 07/28/2022\n[   19.422687] Call Trace:\n[   19.424091]  \u003cTASK\u003e\n[   19.425448]  dump_stack_lvl+0x5d/0x80\n[   19.426963]  ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[   19.428694]  print_report+0x19d/0x52e\n[   19.430206]  ? __pfx__raw_spin_lock_irqsave+0x10/0x10\n[   19.431837]  ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[   19.433539]  kasan_report+0xf0/0x170\n[   19.435019]  ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[   19.436709]  _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[   19.438379]  ? __pfx_sched_clock_cpu+0x10/0x10\n[   19.439910]  isst_if_cpu_online+0x406/0x58f [isst_if_common]\n[   19.441573]  ? __pfx_isst_if_cpu_online+0x10/0x10 [isst_if_common]\n[   19.443263]  ? ttwu_queue_wakelist+0x2c1/0x360\n[   19.444797]  cpuhp_invoke_callback+0x221/0xec0\n[   19.446337]  cpuhp_thread_fun+0x21b/0x610\n[   19.447814]  ? __pfx_cpuhp_thread_fun+0x10/0x10\n[   19.449354]  smpboot_thread_fn+0x2e7/0x6e0\n[   19.450859]  ? __pfx_smpboot_thread_fn+0x10/0x10\n[   19.452405]  kthread+0x29c/0x350\n[   19.453817]  ? __pfx_kthread+0x10/0x10\n[   19.455253]  ret_from_fork+0x31/0x70\n[   19.456685]  ? __pfx_kthread+0x10/0x10\n[   19.458114]  ret_from_fork_asm+0x1a/0x30\n[   19.459573]  \u003c/TASK\u003e\n[   19.460853]\n[   19.462055] Allocated by task 1198:\n[   19.463410]  kasan_save_stack+0x30/0x50\n[   19.464788]  kasan_save_track+0x14/0x30\n[   19.466139]  __kasan_kmalloc+0xaa/0xb0\n[   19.467465]  __kmalloc+0x1cd/0x470\n[   19.468748]  isst_if_cdev_register+0x1da/0x350 [isst_if_common]\n[   19.470233]  isst_if_mbox_init+0x108/0xff0 [isst_if_mbox_msr]\n[   19.471670]  do_one_initcall+0xa4/0x380\n[   19.472903]  do_init_module+0x238/0x760\n[   19.474105]  load_module+0x5239/0x6f00\n[   19.475285]  init_module_from_file+0xd1/0x130\n[   19.476506]  idempotent_init_module+0x23b/0x650\n[   19.477725]  __x64_sys_finit_module+0xbe/0x130\n[   19.476506]  idempotent_init_module+0x23b/0x650\n[   19.477725]  __x64_sys_finit_module+0xbe/0x130\n[   19.478920]  do_syscall_64+0x82/0x160\n[   19.480036]  entry_SYSCALL_64_after_hwframe+0x76/0x7e\n[   19.481292]\n[   19.482205] The buggy address belongs to the object at ffff888829e65000\n which belongs to the cache kmalloc-512 of size 512\n[   19.484818] The buggy address is located 0 bytes to the right of\n allocated 512-byte region [ffff888829e65000, ffff888829e65200)\n[   19.487447]\n[   19.488328] The buggy address belongs to the physical page:\n[   19.489569] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888829e60c00 pfn:0x829e60\n[   19.491140] head: order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0\n[   19.492466] anon flags: 0x57ffffc0000840(slab|head|node=1|zone=2|lastcpupid=0x1fffff)\n[   19.493914] page_type: 0xffffffff()\n[   19.494988] raw: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001\n[   19.496451] raw: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000\n[   19.497906] head: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001\n[   19.499379] head: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000\n[   19.500844] head: 0057ffffc0000003 ffffea0020a79801 ffffea0020a79848 00000000ffffffff\n[   19.502316] head: 0000000800000000 0000000000000000 00000000ffffffff 0000000000000000\n[   19.503784] page dumped because: k\n---truncated---"
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-23T15:54:00.821Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/1973c4d8ee0782a808303d75e3be9c12baaacd97"
            },
            {
              "url": "https://git.kernel.org/stable/c/cdd03afcb6eda3103da5a0948d3db12372f62910"
            },
            {
              "url": "https://git.kernel.org/stable/c/8176d4878ed2af5d93ddd0e971e24c412124d38b"
            },
            {
              "url": "https://git.kernel.org/stable/c/cebc705b097d5c16469b141a25e840161d1c517a"
            },
            {
              "url": "https://git.kernel.org/stable/c/afa7f78d9a907cfded6c98c91aae2bf7b3b56e51"
            },
            {
              "url": "https://git.kernel.org/stable/c/7d59ac07ccb58f8f604f8057db63b8efcebeb3de"
            }
          ],
          "title": "platform/x86: ISST: Fix the KASAN report slab-out-of-bounds bug",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2024-49886",
        "datePublished": "2024-10-21T18:01:22.870Z",
        "dateReserved": "2024-10-21T12:17:06.022Z",
        "dateUpdated": "2026-05-23T15:54:00.821Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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