CVE-2024-26695 (GCVE-0-2024-26695)

Vulnerability from cvelistv5 – Published: 2024-04-03 14:54 – Updated: 2026-05-23 15:36
VLAI
Title
crypto: ccp - Fix null pointer dereference in __sev_platform_shutdown_locked
Summary
In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Fix null pointer dereference in __sev_platform_shutdown_locked The SEV platform device can be shutdown with a null psp_master, e.g., using DEBUG_TEST_DRIVER_REMOVE. Found using KASAN: [ 137.148210] ccp 0000:23:00.1: enabling device (0000 -> 0002) [ 137.162647] ccp 0000:23:00.1: no command queues available [ 137.170598] ccp 0000:23:00.1: sev enabled [ 137.174645] ccp 0000:23:00.1: psp enabled [ 137.178890] general protection fault, probably for non-canonical address 0xdffffc000000001e: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC KASAN NOPTI [ 137.182693] KASAN: null-ptr-deref in range [0x00000000000000f0-0x00000000000000f7] [ 137.182693] CPU: 93 PID: 1 Comm: swapper/0 Not tainted 6.8.0-rc1+ #311 [ 137.182693] RIP: 0010:__sev_platform_shutdown_locked+0x51/0x180 [ 137.182693] Code: 08 80 3c 08 00 0f 85 0e 01 00 00 48 8b 1d 67 b6 01 08 48 b8 00 00 00 00 00 fc ff df 48 8d bb f0 00 00 00 48 89 f9 48 c1 e9 03 <80> 3c 01 00 0f 85 fe 00 00 00 48 8b 9b f0 00 00 00 48 85 db 74 2c [ 137.182693] RSP: 0018:ffffc900000cf9b0 EFLAGS: 00010216 [ 137.182693] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 000000000000001e [ 137.182693] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000000000f0 [ 137.182693] RBP: ffffc900000cf9c8 R08: 0000000000000000 R09: fffffbfff58f5a66 [ 137.182693] R10: ffffc900000cf9c8 R11: ffffffffac7ad32f R12: ffff8881e5052c28 [ 137.182693] R13: ffff8881e5052c28 R14: ffff8881758e43e8 R15: ffffffffac64abf8 [ 137.182693] FS: 0000000000000000(0000) GS:ffff889de7000000(0000) knlGS:0000000000000000 [ 137.182693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 137.182693] CR2: 0000000000000000 CR3: 0000001cf7c7e000 CR4: 0000000000350ef0 [ 137.182693] Call Trace: [ 137.182693] <TASK> [ 137.182693] ? show_regs+0x6c/0x80 [ 137.182693] ? __die_body+0x24/0x70 [ 137.182693] ? die_addr+0x4b/0x80 [ 137.182693] ? exc_general_protection+0x126/0x230 [ 137.182693] ? asm_exc_general_protection+0x2b/0x30 [ 137.182693] ? __sev_platform_shutdown_locked+0x51/0x180 [ 137.182693] sev_firmware_shutdown.isra.0+0x1e/0x80 [ 137.182693] sev_dev_destroy+0x49/0x100 [ 137.182693] psp_dev_destroy+0x47/0xb0 [ 137.182693] sp_destroy+0xbb/0x240 [ 137.182693] sp_pci_remove+0x45/0x60 [ 137.182693] pci_device_remove+0xaa/0x1d0 [ 137.182693] device_remove+0xc7/0x170 [ 137.182693] really_probe+0x374/0xbe0 [ 137.182693] ? srso_return_thunk+0x5/0x5f [ 137.182693] __driver_probe_device+0x199/0x460 [ 137.182693] driver_probe_device+0x4e/0xd0 [ 137.182693] __driver_attach+0x191/0x3d0 [ 137.182693] ? __pfx___driver_attach+0x10/0x10 [ 137.182693] bus_for_each_dev+0x100/0x190 [ 137.182693] ? __pfx_bus_for_each_dev+0x10/0x10 [ 137.182693] ? __kasan_check_read+0x15/0x20 [ 137.182693] ? srso_return_thunk+0x5/0x5f [ 137.182693] ? _raw_spin_unlock+0x27/0x50 [ 137.182693] driver_attach+0x41/0x60 [ 137.182693] bus_add_driver+0x2a8/0x580 [ 137.182693] driver_register+0x141/0x480 [ 137.182693] __pci_register_driver+0x1d6/0x2a0 [ 137.182693] ? srso_return_thunk+0x5/0x5f [ 137.182693] ? esrt_sysfs_init+0x1cd/0x5d0 [ 137.182693] ? __pfx_sp_mod_init+0x10/0x10 [ 137.182693] sp_pci_init+0x22/0x30 [ 137.182693] sp_mod_init+0x14/0x30 [ 137.182693] ? __pfx_sp_mod_init+0x10/0x10 [ 137.182693] do_one_initcall+0xd1/0x470 [ 137.182693] ? __pfx_do_one_initcall+0x10/0x10 [ 137.182693] ? parameq+0x80/0xf0 [ 137.182693] ? srso_return_thunk+0x5/0x5f [ 137.182693] ? __kmalloc+0x3b0/0x4e0 [ 137.182693] ? kernel_init_freeable+0x92d/0x1050 [ 137.182693] ? kasan_populate_vmalloc_pte+0x171/0x190 [ 137.182693] ? srso_return_thunk+0x5/0x5f [ 137.182693] kernel_init_freeable+0xa64/0x1050 [ 137.182693] ? __pfx_kernel_init+0x10/0x10 [ 137.182693] kernel_init+0x24/0x160 [ 137.182693] ? __switch_to_asm+0x3e/0x70 [ 137.182693] ret_from_fork+0x40/0x80 [ 137.182693] ? __pfx_kernel_init+0x1 ---truncated---
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 87af9b0b45666ca3dd6b10c0ece691c740b0f750 , < 58054faf3bd29cd0b949b77efcb6157f66f401ed (git)
Affected: f831d2882c843d44100016aeb4332e9c4b560805 , < 7535ec350a5f09b5756a7607f5582913f21200f4 (git)
Affected: 1b05ece0c931536c0a38a9385e243a7962e933f6 , < 8731fe001a60581794ed9cf65da8cd304846a6fb (git)
Affected: 1b05ece0c931536c0a38a9385e243a7962e933f6 , < 88aa493f393d2ee38ac140e1f6ac1881346e85d4 (git)
Affected: 1b05ece0c931536c0a38a9385e243a7962e933f6 , < b5909f197f3b26aebedca7d8ac7b688fd993a266 (git)
Affected: 1b05ece0c931536c0a38a9385e243a7962e933f6 , < ccb88e9549e7cfd8bcd511c538f437e20026e983 (git)
Affected: fcb04178c05b88a98921e262da9f7cb21cfff118 (git)
Affected: d87bbd10fc01b52c814113643f2707d2d10b0319 (git)
Affected: 5.10.137 , < 5.10.210 (semver)
Affected: 5.15.61 , < 5.15.149 (semver)
Affected: 5.18.18 , < 5.19 (semver)
Affected: 5.19.2 , < 5.20 (semver)
Create a notification for this product.
Linux Linux Affected: 6.0
Unaffected: 0 , < 6.0 (semver)
Unaffected: 5.10.210 , ≤ 5.10.* (semver)
Unaffected: 5.15.149 , ≤ 5.15.* (semver)
Unaffected: 6.1.79 , ≤ 6.1.* (semver)
Unaffected: 6.6.18 , ≤ 6.6.* (semver)
Unaffected: 6.7.6 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
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\ncrypto: ccp - Fix null pointer dereference in __sev_platform_shutdown_locked\n\nThe SEV platform device can be shutdown with a null psp_master,\ne.g., using DEBUG_TEST_DRIVER_REMOVE.  Found using KASAN:\n\n[  137.148210] ccp 0000:23:00.1: enabling device (0000 -\u003e 0002)\n[  137.162647] ccp 0000:23:00.1: no command queues available\n[  137.170598] ccp 0000:23:00.1: sev enabled\n[  137.174645] ccp 0000:23:00.1: psp enabled\n[  137.178890] general protection fault, probably for non-canonical address 0xdffffc000000001e: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC KASAN NOPTI\n[  137.182693] KASAN: null-ptr-deref in range [0x00000000000000f0-0x00000000000000f7]\n[  137.182693] CPU: 93 PID: 1 Comm: swapper/0 Not tainted 6.8.0-rc1+ #311\n[  137.182693] RIP: 0010:__sev_platform_shutdown_locked+0x51/0x180\n[  137.182693] Code: 08 80 3c 08 00 0f 85 0e 01 00 00 48 8b 1d 67 b6 01 08 48 b8 00 00 00 00 00 fc ff df 48 8d bb f0 00 00 00 48 89 f9 48 c1 e9 03 \u003c80\u003e 3c 01 00 0f 85 fe 00 00 00 48 8b 9b f0 00 00 00 48 85 db 74 2c\n[  137.182693] RSP: 0018:ffffc900000cf9b0 EFLAGS: 00010216\n[  137.182693] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 000000000000001e\n[  137.182693] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000000000f0\n[  137.182693] RBP: ffffc900000cf9c8 R08: 0000000000000000 R09: fffffbfff58f5a66\n[  137.182693] R10: ffffc900000cf9c8 R11: ffffffffac7ad32f R12: ffff8881e5052c28\n[  137.182693] R13: ffff8881e5052c28 R14: ffff8881758e43e8 R15: ffffffffac64abf8\n[  137.182693] FS:  0000000000000000(0000) GS:ffff889de7000000(0000) knlGS:0000000000000000\n[  137.182693] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[  137.182693] CR2: 0000000000000000 CR3: 0000001cf7c7e000 CR4: 0000000000350ef0\n[  137.182693] Call Trace:\n[  137.182693]  \u003cTASK\u003e\n[  137.182693]  ? show_regs+0x6c/0x80\n[  137.182693]  ? __die_body+0x24/0x70\n[  137.182693]  ? die_addr+0x4b/0x80\n[  137.182693]  ? exc_general_protection+0x126/0x230\n[  137.182693]  ? asm_exc_general_protection+0x2b/0x30\n[  137.182693]  ? __sev_platform_shutdown_locked+0x51/0x180\n[  137.182693]  sev_firmware_shutdown.isra.0+0x1e/0x80\n[  137.182693]  sev_dev_destroy+0x49/0x100\n[  137.182693]  psp_dev_destroy+0x47/0xb0\n[  137.182693]  sp_destroy+0xbb/0x240\n[  137.182693]  sp_pci_remove+0x45/0x60\n[  137.182693]  pci_device_remove+0xaa/0x1d0\n[  137.182693]  device_remove+0xc7/0x170\n[  137.182693]  really_probe+0x374/0xbe0\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\n[  137.182693]  __driver_probe_device+0x199/0x460\n[  137.182693]  driver_probe_device+0x4e/0xd0\n[  137.182693]  __driver_attach+0x191/0x3d0\n[  137.182693]  ? __pfx___driver_attach+0x10/0x10\n[  137.182693]  bus_for_each_dev+0x100/0x190\n[  137.182693]  ? __pfx_bus_for_each_dev+0x10/0x10\n[  137.182693]  ? __kasan_check_read+0x15/0x20\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\n[  137.182693]  ? _raw_spin_unlock+0x27/0x50\n[  137.182693]  driver_attach+0x41/0x60\n[  137.182693]  bus_add_driver+0x2a8/0x580\n[  137.182693]  driver_register+0x141/0x480\n[  137.182693]  __pci_register_driver+0x1d6/0x2a0\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\n[  137.182693]  ? esrt_sysfs_init+0x1cd/0x5d0\n[  137.182693]  ? __pfx_sp_mod_init+0x10/0x10\n[  137.182693]  sp_pci_init+0x22/0x30\n[  137.182693]  sp_mod_init+0x14/0x30\n[  137.182693]  ? __pfx_sp_mod_init+0x10/0x10\n[  137.182693]  do_one_initcall+0xd1/0x470\n[  137.182693]  ? __pfx_do_one_initcall+0x10/0x10\n[  137.182693]  ? parameq+0x80/0xf0\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\n[  137.182693]  ? __kmalloc+0x3b0/0x4e0\n[  137.182693]  ? kernel_init_freeable+0x92d/0x1050\n[  137.182693]  ? kasan_populate_vmalloc_pte+0x171/0x190\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\n[  137.182693]  kernel_init_freeable+0xa64/0x1050\n[  137.182693]  ? __pfx_kernel_init+0x10/0x10\n[  137.182693]  kernel_init+0x24/0x160\n[  137.182693]  ? __switch_to_asm+0x3e/0x70\n[  137.182693]  ret_from_fork+0x40/0x80\n[  137.182693]  ? __pfx_kernel_init+0x1\n---truncated---"
        }
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        }
      ],
      "title": "crypto: ccp - Fix null pointer dereference in __sev_platform_shutdown_locked",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-26695",
    "datePublished": "2024-04-03T14:54:56.184Z",
    "dateReserved": "2024-02-19T14:20:24.156Z",
    "dateUpdated": "2026-05-23T15:36:54.177Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2024-26695",
      "date": "2026-05-27",
      "epss": "0.00022",
      "percentile": "0.06443"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.10.137\", \"versionEndExcluding\": \"5.10.210\", \"matchCriteriaId\": \"93A470B0-33C7-4407-BE46-511E35E25B36\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.15.61\", \"versionEndExcluding\": \"5.15.149\", \"matchCriteriaId\": \"B6BC6CAE-7288-41A5-B180-985BBCD16B76\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.18.18\", \"versionEndExcluding\": \"5.19\", \"matchCriteriaId\": \"B60CAFE2-08C3-461B-B5F8-25BEB0C9853E\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.19.2\", \"versionEndExcluding\": \"5.20\", \"matchCriteriaId\": \"E8D3E719-D0A1-4044-AB60-B63044B0A1B3\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.0\", \"versionEndExcluding\": \"6.1.79\", \"matchCriteriaId\": \"82C70944-013B-4FC2-97B8-F2D6C1342B5E\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.2\", \"versionEndExcluding\": \"6.6.18\", \"matchCriteriaId\": \"BD961E49-FEDA-47CF-BF23-4D2BD942B4E0\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.7\", \"versionEndExcluding\": \"6.7.6\", \"matchCriteriaId\": \"C6D6A5C8-7308-42A9-8A72-ABF3DEA4BB82\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*\", \"matchCriteriaId\": \"B9F4EA73-0894-400F-A490-3A397AB7A517\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:*\", \"matchCriteriaId\": \"056BD938-0A27-4569-B391-30578B309EE3\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:6.8:rc3:*:*:*:*:*:*\", \"matchCriteriaId\": \"F02056A5-B362-4370-9FF8-6F0BD384D520\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncrypto: ccp - Fix null pointer dereference in __sev_platform_shutdown_locked\\n\\nThe SEV platform device can be shutdown with a null psp_master,\\ne.g., using DEBUG_TEST_DRIVER_REMOVE.  Found using KASAN:\\n\\n[  137.148210] ccp 0000:23:00.1: enabling device (0000 -\u003e 0002)\\n[  137.162647] ccp 0000:23:00.1: no command queues available\\n[  137.170598] ccp 0000:23:00.1: sev enabled\\n[  137.174645] ccp 0000:23:00.1: psp enabled\\n[  137.178890] general protection fault, probably for non-canonical address 0xdffffc000000001e: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC KASAN NOPTI\\n[  137.182693] KASAN: null-ptr-deref in range [0x00000000000000f0-0x00000000000000f7]\\n[  137.182693] CPU: 93 PID: 1 Comm: swapper/0 Not tainted 6.8.0-rc1+ #311\\n[  137.182693] RIP: 0010:__sev_platform_shutdown_locked+0x51/0x180\\n[  137.182693] Code: 08 80 3c 08 00 0f 85 0e 01 00 00 48 8b 1d 67 b6 01 08 48 b8 00 00 00 00 00 fc ff df 48 8d bb f0 00 00 00 48 89 f9 48 c1 e9 03 \u003c80\u003e 3c 01 00 0f 85 fe 00 00 00 48 8b 9b f0 00 00 00 48 85 db 74 2c\\n[  137.182693] RSP: 0018:ffffc900000cf9b0 EFLAGS: 00010216\\n[  137.182693] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 000000000000001e\\n[  137.182693] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000000000f0\\n[  137.182693] RBP: ffffc900000cf9c8 R08: 0000000000000000 R09: fffffbfff58f5a66\\n[  137.182693] R10: ffffc900000cf9c8 R11: ffffffffac7ad32f R12: ffff8881e5052c28\\n[  137.182693] R13: ffff8881e5052c28 R14: ffff8881758e43e8 R15: ffffffffac64abf8\\n[  137.182693] FS:  0000000000000000(0000) GS:ffff889de7000000(0000) knlGS:0000000000000000\\n[  137.182693] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n[  137.182693] CR2: 0000000000000000 CR3: 0000001cf7c7e000 CR4: 0000000000350ef0\\n[  137.182693] Call Trace:\\n[  137.182693]  \u003cTASK\u003e\\n[  137.182693]  ? show_regs+0x6c/0x80\\n[  137.182693]  ? __die_body+0x24/0x70\\n[  137.182693]  ? die_addr+0x4b/0x80\\n[  137.182693]  ? exc_general_protection+0x126/0x230\\n[  137.182693]  ? asm_exc_general_protection+0x2b/0x30\\n[  137.182693]  ? __sev_platform_shutdown_locked+0x51/0x180\\n[  137.182693]  sev_firmware_shutdown.isra.0+0x1e/0x80\\n[  137.182693]  sev_dev_destroy+0x49/0x100\\n[  137.182693]  psp_dev_destroy+0x47/0xb0\\n[  137.182693]  sp_destroy+0xbb/0x240\\n[  137.182693]  sp_pci_remove+0x45/0x60\\n[  137.182693]  pci_device_remove+0xaa/0x1d0\\n[  137.182693]  device_remove+0xc7/0x170\\n[  137.182693]  really_probe+0x374/0xbe0\\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\\n[  137.182693]  __driver_probe_device+0x199/0x460\\n[  137.182693]  driver_probe_device+0x4e/0xd0\\n[  137.182693]  __driver_attach+0x191/0x3d0\\n[  137.182693]  ? __pfx___driver_attach+0x10/0x10\\n[  137.182693]  bus_for_each_dev+0x100/0x190\\n[  137.182693]  ? __pfx_bus_for_each_dev+0x10/0x10\\n[  137.182693]  ? __kasan_check_read+0x15/0x20\\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\\n[  137.182693]  ? _raw_spin_unlock+0x27/0x50\\n[  137.182693]  driver_attach+0x41/0x60\\n[  137.182693]  bus_add_driver+0x2a8/0x580\\n[  137.182693]  driver_register+0x141/0x480\\n[  137.182693]  __pci_register_driver+0x1d6/0x2a0\\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\\n[  137.182693]  ? esrt_sysfs_init+0x1cd/0x5d0\\n[  137.182693]  ? __pfx_sp_mod_init+0x10/0x10\\n[  137.182693]  sp_pci_init+0x22/0x30\\n[  137.182693]  sp_mod_init+0x14/0x30\\n[  137.182693]  ? __pfx_sp_mod_init+0x10/0x10\\n[  137.182693]  do_one_initcall+0xd1/0x470\\n[  137.182693]  ? __pfx_do_one_initcall+0x10/0x10\\n[  137.182693]  ? parameq+0x80/0xf0\\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\\n[  137.182693]  ? __kmalloc+0x3b0/0x4e0\\n[  137.182693]  ? kernel_init_freeable+0x92d/0x1050\\n[  137.182693]  ? kasan_populate_vmalloc_pte+0x171/0x190\\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\\n[  137.182693]  kernel_init_freeable+0xa64/0x1050\\n[  137.182693]  ? __pfx_kernel_init+0x10/0x10\\n[  137.182693]  kernel_init+0x24/0x160\\n[  137.182693]  ? __switch_to_asm+0x3e/0x70\\n[  137.182693]  ret_from_fork+0x40/0x80\\n[  137.182693]  ? __pfx_kernel_init+0x1\\n---truncated---\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se resolvi\\u00f3 la siguiente vulnerabilidad: crypto: ccp - Corrige la desreferencia del puntero nulo en __sev_platform_shutdown_locked El dispositivo de la plataforma SEV se puede apagar con un psp_master nulo, por ejemplo, usando DEBUG_TEST_DRIVER_REMOVE. Encontrado usando KASAN: [ 137.148210] ccp 0000:23:00.1: dispositivo de habilitaci\\u00f3n (0000 -\u0026gt; 0002) [ 137.162647] ccp 0000:23:00.1: no hay colas de comandos disponibles [ 137.170598] ccp 0000:23:00.1: sev habilitado [ 13 7.174645 ] ccp 0000:23:00.1: psp habilitado [137.178890] falla de protecci\\u00f3n general, probablemente para direcci\\u00f3n no can\\u00f3nica 0xdffffc000000001e: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC KASAN NOPTI [137.182693] KASAN: null-ptr-deref en rango [0x00 000000000000f0- 0x00000000000000f7] [ 137.182693] CPU: 93 PID: 1 Comm: swapper/0 No contaminado 6.8.0-rc1+ #311 [ 137.182693] RIP: 0010:__sev_platform_shutdown_locked+0x51/0x180 [ 137.1826 93] C\\u00f3digo: 08 80 3c 08 00 0f 85 0e 01 00 00 48 8b 1d 67 b6 01 08 48 b8 00 00 00 00 00 fc ff df 48 8d bb f0 00 00 00 48 89 f9 48 c1 e9 03 \u0026lt;80\u0026gt; 3c 01 00 0f 85 fe 00 00 00 48 8b 9b f0 00 00 00 48 85 db 74 2c [ 137.182693] RSP: 0018:ffffc900000cf9b0 EFLAGS: 00010216 [ 137.182693] RAX: dffffc0000000000 RBX: 00000000000000000 RC X: 000000000000001e [ 137.182693] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000000000f0 [ 137.182693] RBP: ffffc900000cf9c8 R0 8 : 0000000000000000 R09: ffffbfff58f5a66 [ 137.182693] R10: ffffc900000cf9c8 R11: ffffffffac7ad32f R12: ffff8881e5052c28 [ 137.182693] R13: ffff8881 e5052c28 R14: ffff8881758e43e8 R15: ffffffffac64abf8 [ 137.182693] FS: 0000000000000000(0000) GS:ffff889de7000000(0000) knlGS:00000000000000000 [ 137.182693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 137.182693] CR2: 0000000000000000 CR3: 0000001cf7c7e000 CR4: 0000000000350ef0 [ 137.182693 ] Seguimiento de llamadas: [ 137.182693]  [ 137.182693] ? show_regs+0x6c/0x80 [137.182693]? __die_body+0x24/0x70 [ 137.182693] ? die_addr+0x4b/0x80 [ 137.182693] ? exc_general_protection+0x126/0x230 [137.182693]? asm_exc_general_protection+0x2b/0x30 [137.182693]? __sev_platform_shutdown_locked+0x51/0x180 [ 137.182693] sev_firmware_shutdown.isra.0+0x1e/0x80 [ 137.182693] sev_dev_destroy+0x49/0x100 [ 137.182693] psp_dev_destroy+0x47/0 xb0 [ 137.182693] sp_destroy+0xbb/0x240 [ 137.182693] sp_pci_remove+0x45/0x60 [ 137.182693] pci_device_remove+0xaa/0x1d0 [ 137.182693] device_remove+0xc7/0x170 [ 137.182693]realmente_probe+0x374/0xbe0 [ 137.182693] ? srso_return_thunk+0x5/0x5f [ 137.182693] __driver_probe_device+0x199/0x460 [ 137.182693] driver_probe_device+0x4e/0xd0 [ 137.182693] __driver_attach+0x191/0x3d0 [ 137.18 2693] ? __pfx___driver_attach+0x10/0x10 [ 137.182693] bus_for_each_dev+0x100/0x190 [ 137.182693] ? __pfx_bus_for_each_dev+0x10/0x10 [137.182693]? __kasan_check_read+0x15/0x20 [ 137.182693] ? srso_return_thunk+0x5/0x5f [137.182693]? _raw_spin_unlock+0x27/0x50 [ 137.182693] driver_attach+0x41/0x60 [ 137.182693] bus_add_driver+0x2a8/0x580 [ 137.182693] driver_register+0x141/0x480 [ 137.182693] __pci_ registro_controlador+0x1d6/0x2a0 [137.182693]? srso_return_thunk+0x5/0x5f [137.182693]? esrt_sysfs_init+0x1cd/0x5d0 [137.182693]? __pfx_sp_mod_init+0x10/0x10 [ 137.182693] sp_pci_init+0x22/0x30 [ 137.182693] sp_mod_init+0x14/0x30 [ 137.182693] ? __pfx_sp_mod_init+0x10/0x10 [ 137.182693] do_one_initcall+0xd1/0x470 [ 137.182693] ? __pfx_do_one_initcall+0x10/0x10 [137.182693]? parameq+0x80/0xf0 [137.182693]? srso_return_thunk+0x5/0x5f [137.182693]? __kmalloc+0x3b0/0x4e0 [ 137.182693] ? kernel_init_freeable+0x92d/0x1050 [137.182693]? kasan_populate_vmalloc_pte+0x171/0x190 [137.182693]? srso_return_thunk+0x5/0x5f [137.182693] kernel_init_freeable+0xa64/0x1050 [137.182693]? __pfx_kernel_init+0x10/0x10 [ 137.182693] kernel_init+0x24/0x160 [ 137.182693] ? __switch_to_asm+0x3e/0x70 [ 137.182693] ret_from_fork+0x40/0x80 [ 137.182693] ? __pfx_kernel_init+0x1 ---truncado---\"}]",
      "id": "CVE-2024-26695",
      "lastModified": "2025-01-07T17:27:31.323",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 5.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 3.6}]}",
      "published": "2024-04-03T15:15:52.770",
      "references": "[{\"url\": \"https://git.kernel.org/stable/c/58054faf3bd29cd0b949b77efcb6157f66f401ed\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/7535ec350a5f09b5756a7607f5582913f21200f4\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/8731fe001a60581794ed9cf65da8cd304846a6fb\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/88aa493f393d2ee38ac140e1f6ac1881346e85d4\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/b5909f197f3b26aebedca7d8ac7b688fd993a266\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/ccb88e9549e7cfd8bcd511c538f437e20026e983\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/58054faf3bd29cd0b949b77efcb6157f66f401ed\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/7535ec350a5f09b5756a7607f5582913f21200f4\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/8731fe001a60581794ed9cf65da8cd304846a6fb\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/88aa493f393d2ee38ac140e1f6ac1881346e85d4\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/b5909f197f3b26aebedca7d8ac7b688fd993a266\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/ccb88e9549e7cfd8bcd511c538f437e20026e983\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\"]}]",
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Analyzed",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-476\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26695\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-03T15:15:52.770\",\"lastModified\":\"2025-01-07T17:27:31.323\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncrypto: ccp - Fix null pointer dereference in __sev_platform_shutdown_locked\\n\\nThe SEV platform device can be shutdown with a null psp_master,\\ne.g., using DEBUG_TEST_DRIVER_REMOVE.  Found using KASAN:\\n\\n[  137.148210] ccp 0000:23:00.1: enabling device (0000 -\u003e 0002)\\n[  137.162647] ccp 0000:23:00.1: no command queues available\\n[  137.170598] ccp 0000:23:00.1: sev enabled\\n[  137.174645] ccp 0000:23:00.1: psp enabled\\n[  137.178890] general protection fault, probably for non-canonical address 0xdffffc000000001e: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC KASAN NOPTI\\n[  137.182693] KASAN: null-ptr-deref in range [0x00000000000000f0-0x00000000000000f7]\\n[  137.182693] CPU: 93 PID: 1 Comm: swapper/0 Not tainted 6.8.0-rc1+ #311\\n[  137.182693] RIP: 0010:__sev_platform_shutdown_locked+0x51/0x180\\n[  137.182693] Code: 08 80 3c 08 00 0f 85 0e 01 00 00 48 8b 1d 67 b6 01 08 48 b8 00 00 00 00 00 fc ff df 48 8d bb f0 00 00 00 48 89 f9 48 c1 e9 03 \u003c80\u003e 3c 01 00 0f 85 fe 00 00 00 48 8b 9b f0 00 00 00 48 85 db 74 2c\\n[  137.182693] RSP: 0018:ffffc900000cf9b0 EFLAGS: 00010216\\n[  137.182693] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 000000000000001e\\n[  137.182693] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000000000f0\\n[  137.182693] RBP: ffffc900000cf9c8 R08: 0000000000000000 R09: fffffbfff58f5a66\\n[  137.182693] R10: ffffc900000cf9c8 R11: ffffffffac7ad32f R12: ffff8881e5052c28\\n[  137.182693] R13: ffff8881e5052c28 R14: ffff8881758e43e8 R15: ffffffffac64abf8\\n[  137.182693] FS:  0000000000000000(0000) GS:ffff889de7000000(0000) knlGS:0000000000000000\\n[  137.182693] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n[  137.182693] CR2: 0000000000000000 CR3: 0000001cf7c7e000 CR4: 0000000000350ef0\\n[  137.182693] Call Trace:\\n[  137.182693]  \u003cTASK\u003e\\n[  137.182693]  ? show_regs+0x6c/0x80\\n[  137.182693]  ? __die_body+0x24/0x70\\n[  137.182693]  ? die_addr+0x4b/0x80\\n[  137.182693]  ? exc_general_protection+0x126/0x230\\n[  137.182693]  ? asm_exc_general_protection+0x2b/0x30\\n[  137.182693]  ? __sev_platform_shutdown_locked+0x51/0x180\\n[  137.182693]  sev_firmware_shutdown.isra.0+0x1e/0x80\\n[  137.182693]  sev_dev_destroy+0x49/0x100\\n[  137.182693]  psp_dev_destroy+0x47/0xb0\\n[  137.182693]  sp_destroy+0xbb/0x240\\n[  137.182693]  sp_pci_remove+0x45/0x60\\n[  137.182693]  pci_device_remove+0xaa/0x1d0\\n[  137.182693]  device_remove+0xc7/0x170\\n[  137.182693]  really_probe+0x374/0xbe0\\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\\n[  137.182693]  __driver_probe_device+0x199/0x460\\n[  137.182693]  driver_probe_device+0x4e/0xd0\\n[  137.182693]  __driver_attach+0x191/0x3d0\\n[  137.182693]  ? __pfx___driver_attach+0x10/0x10\\n[  137.182693]  bus_for_each_dev+0x100/0x190\\n[  137.182693]  ? __pfx_bus_for_each_dev+0x10/0x10\\n[  137.182693]  ? __kasan_check_read+0x15/0x20\\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\\n[  137.182693]  ? _raw_spin_unlock+0x27/0x50\\n[  137.182693]  driver_attach+0x41/0x60\\n[  137.182693]  bus_add_driver+0x2a8/0x580\\n[  137.182693]  driver_register+0x141/0x480\\n[  137.182693]  __pci_register_driver+0x1d6/0x2a0\\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\\n[  137.182693]  ? esrt_sysfs_init+0x1cd/0x5d0\\n[  137.182693]  ? __pfx_sp_mod_init+0x10/0x10\\n[  137.182693]  sp_pci_init+0x22/0x30\\n[  137.182693]  sp_mod_init+0x14/0x30\\n[  137.182693]  ? __pfx_sp_mod_init+0x10/0x10\\n[  137.182693]  do_one_initcall+0xd1/0x470\\n[  137.182693]  ? __pfx_do_one_initcall+0x10/0x10\\n[  137.182693]  ? parameq+0x80/0xf0\\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\\n[  137.182693]  ? __kmalloc+0x3b0/0x4e0\\n[  137.182693]  ? kernel_init_freeable+0x92d/0x1050\\n[  137.182693]  ? kasan_populate_vmalloc_pte+0x171/0x190\\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\\n[  137.182693]  kernel_init_freeable+0xa64/0x1050\\n[  137.182693]  ? __pfx_kernel_init+0x10/0x10\\n[  137.182693]  kernel_init+0x24/0x160\\n[  137.182693]  ? __switch_to_asm+0x3e/0x70\\n[  137.182693]  ret_from_fork+0x40/0x80\\n[  137.182693]  ? __pfx_kernel_init+0x1\\n---truncated---\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: crypto: ccp - Corrige la desreferencia del puntero nulo en __sev_platform_shutdown_locked El dispositivo de la plataforma SEV se puede apagar con un psp_master nulo, por ejemplo, usando DEBUG_TEST_DRIVER_REMOVE. Encontrado usando KASAN: [ 137.148210] ccp 0000:23:00.1: dispositivo de habilitaci\u00f3n (0000 -\u0026gt; 0002) [ 137.162647] ccp 0000:23:00.1: no hay colas de comandos disponibles [ 137.170598] ccp 0000:23:00.1: sev habilitado [ 13 7.174645 ] ccp 0000:23:00.1: psp habilitado [137.178890] falla de protecci\u00f3n general, probablemente para direcci\u00f3n no can\u00f3nica 0xdffffc000000001e: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC KASAN NOPTI [137.182693] KASAN: null-ptr-deref en rango [0x00 000000000000f0- 0x00000000000000f7] [ 137.182693] CPU: 93 PID: 1 Comm: swapper/0 No contaminado 6.8.0-rc1+ #311 [ 137.182693] RIP: 0010:__sev_platform_shutdown_locked+0x51/0x180 [ 137.1826 93] C\u00f3digo: 08 80 3c 08 00 0f 85 0e 01 00 00 48 8b 1d 67 b6 01 08 48 b8 00 00 00 00 00 fc ff df 48 8d bb f0 00 00 00 48 89 f9 48 c1 e9 03 \u0026lt;80\u0026gt; 3c 01 00 0f 85 fe 00 00 00 48 8b 9b f0 00 00 00 48 85 db 74 2c [ 137.182693] RSP: 0018:ffffc900000cf9b0 EFLAGS: 00010216 [ 137.182693] RAX: dffffc0000000000 RBX: 00000000000000000 RC X: 000000000000001e [ 137.182693] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000000000f0 [ 137.182693] RBP: ffffc900000cf9c8 R0 8 : 0000000000000000 R09: ffffbfff58f5a66 [ 137.182693] R10: ffffc900000cf9c8 R11: ffffffffac7ad32f R12: ffff8881e5052c28 [ 137.182693] R13: ffff8881 e5052c28 R14: ffff8881758e43e8 R15: ffffffffac64abf8 [ 137.182693] FS: 0000000000000000(0000) GS:ffff889de7000000(0000) knlGS:00000000000000000 [ 137.182693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 137.182693] CR2: 0000000000000000 CR3: 0000001cf7c7e000 CR4: 0000000000350ef0 [ 137.182693 ] Seguimiento de llamadas: [ 137.182693]  [ 137.182693] ? show_regs+0x6c/0x80 [137.182693]? __die_body+0x24/0x70 [ 137.182693] ? die_addr+0x4b/0x80 [ 137.182693] ? exc_general_protection+0x126/0x230 [137.182693]? asm_exc_general_protection+0x2b/0x30 [137.182693]? __sev_platform_shutdown_locked+0x51/0x180 [ 137.182693] sev_firmware_shutdown.isra.0+0x1e/0x80 [ 137.182693] sev_dev_destroy+0x49/0x100 [ 137.182693] psp_dev_destroy+0x47/0 xb0 [ 137.182693] sp_destroy+0xbb/0x240 [ 137.182693] sp_pci_remove+0x45/0x60 [ 137.182693] pci_device_remove+0xaa/0x1d0 [ 137.182693] device_remove+0xc7/0x170 [ 137.182693]realmente_probe+0x374/0xbe0 [ 137.182693] ? srso_return_thunk+0x5/0x5f [ 137.182693] __driver_probe_device+0x199/0x460 [ 137.182693] driver_probe_device+0x4e/0xd0 [ 137.182693] __driver_attach+0x191/0x3d0 [ 137.18 2693] ? __pfx___driver_attach+0x10/0x10 [ 137.182693] bus_for_each_dev+0x100/0x190 [ 137.182693] ? __pfx_bus_for_each_dev+0x10/0x10 [137.182693]? __kasan_check_read+0x15/0x20 [ 137.182693] ? srso_return_thunk+0x5/0x5f [137.182693]? _raw_spin_unlock+0x27/0x50 [ 137.182693] driver_attach+0x41/0x60 [ 137.182693] bus_add_driver+0x2a8/0x580 [ 137.182693] driver_register+0x141/0x480 [ 137.182693] __pci_ registro_controlador+0x1d6/0x2a0 [137.182693]? srso_return_thunk+0x5/0x5f [137.182693]? esrt_sysfs_init+0x1cd/0x5d0 [137.182693]? __pfx_sp_mod_init+0x10/0x10 [ 137.182693] sp_pci_init+0x22/0x30 [ 137.182693] sp_mod_init+0x14/0x30 [ 137.182693] ? __pfx_sp_mod_init+0x10/0x10 [ 137.182693] do_one_initcall+0xd1/0x470 [ 137.182693] ? __pfx_do_one_initcall+0x10/0x10 [137.182693]? parameq+0x80/0xf0 [137.182693]? srso_return_thunk+0x5/0x5f [137.182693]? __kmalloc+0x3b0/0x4e0 [ 137.182693] ? kernel_init_freeable+0x92d/0x1050 [137.182693]? kasan_populate_vmalloc_pte+0x171/0x190 [137.182693]? srso_return_thunk+0x5/0x5f [137.182693] kernel_init_freeable+0xa64/0x1050 [137.182693]? __pfx_kernel_init+0x10/0x10 [ 137.182693] kernel_init+0x24/0x160 [ 137.182693] ? __switch_to_asm+0x3e/0x70 [ 137.182693] ret_from_fork+0x40/0x80 [ 137.182693] ? __pfx_kernel_init+0x1 ---truncado---\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.10.137\",\"versionEndExcluding\":\"5.10.210\",\"matchCriteriaId\":\"93A470B0-33C7-4407-BE46-511E35E25B36\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.15.61\",\"versionEndExcluding\":\"5.15.149\",\"matchCriteriaId\":\"B6BC6CAE-7288-41A5-B180-985BBCD16B76\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.18.18\",\"versionEndExcluding\":\"5.19\",\"matchCriteriaId\":\"B60CAFE2-08C3-461B-B5F8-25BEB0C9853E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.19.2\",\"versionEndExcluding\":\"5.20\",\"matchCriteriaId\":\"E8D3E719-D0A1-4044-AB60-B63044B0A1B3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.0\",\"versionEndExcluding\":\"6.1.79\",\"matchCriteriaId\":\"82C70944-013B-4FC2-97B8-F2D6C1342B5E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.18\",\"matchCriteriaId\":\"BD961E49-FEDA-47CF-BF23-4D2BD942B4E0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.7.6\",\"matchCriteriaId\":\"C6D6A5C8-7308-42A9-8A72-ABF3DEA4BB82\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"B9F4EA73-0894-400F-A490-3A397AB7A517\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"056BD938-0A27-4569-B391-30578B309EE3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.8:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"F02056A5-B362-4370-9FF8-6F0BD384D520\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/58054faf3bd29cd0b949b77efcb6157f66f401ed\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/7535ec350a5f09b5756a7607f5582913f21200f4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8731fe001a60581794ed9cf65da8cd304846a6fb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/88aa493f393d2ee38ac140e1f6ac1881346e85d4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b5909f197f3b26aebedca7d8ac7b688fd993a266\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ccb88e9549e7cfd8bcd511c538f437e20026e983\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/58054faf3bd29cd0b949b77efcb6157f66f401ed\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/7535ec350a5f09b5756a7607f5582913f21200f4\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8731fe001a60581794ed9cf65da8cd304846a6fb\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/88aa493f393d2ee38ac140e1f6ac1881346e85d4\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b5909f197f3b26aebedca7d8ac7b688fd993a266\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ccb88e9549e7cfd8bcd511c538f437e20026e983\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/58054faf3bd29cd0b949b77efcb6157f66f401ed\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/7535ec350a5f09b5756a7607f5582913f21200f4\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/8731fe001a60581794ed9cf65da8cd304846a6fb\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/88aa493f393d2ee38ac140e1f6ac1881346e85d4\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/b5909f197f3b26aebedca7d8ac7b688fd993a266\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/ccb88e9549e7cfd8bcd511c538f437e20026e983\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T00:14:12.671Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-26695\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-10T15:52:57.346229Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-11T12:42:13.534Z\"}}], \"cna\": {\"title\": \"crypto: ccp - Fix null pointer dereference in __sev_platform_shutdown_locked\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"87af9b0b45666ca3dd6b10c0ece691c740b0f750\", \"lessThan\": \"58054faf3bd29cd0b949b77efcb6157f66f401ed\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"f831d2882c843d44100016aeb4332e9c4b560805\", \"lessThan\": \"7535ec350a5f09b5756a7607f5582913f21200f4\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1b05ece0c931536c0a38a9385e243a7962e933f6\", \"lessThan\": \"8731fe001a60581794ed9cf65da8cd304846a6fb\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1b05ece0c931536c0a38a9385e243a7962e933f6\", \"lessThan\": \"88aa493f393d2ee38ac140e1f6ac1881346e85d4\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1b05ece0c931536c0a38a9385e243a7962e933f6\", \"lessThan\": \"b5909f197f3b26aebedca7d8ac7b688fd993a266\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"1b05ece0c931536c0a38a9385e243a7962e933f6\", \"lessThan\": \"ccb88e9549e7cfd8bcd511c538f437e20026e983\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fcb04178c05b88a98921e262da9f7cb21cfff118\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"d87bbd10fc01b52c814113643f2707d2d10b0319\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/crypto/ccp/sev-dev.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.0\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.0\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.10.210\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.149\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.79\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.18\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.7.6\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.7.*\"}, {\"status\": \"unaffected\", \"version\": \"6.8\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/crypto/ccp/sev-dev.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/58054faf3bd29cd0b949b77efcb6157f66f401ed\"}, {\"url\": \"https://git.kernel.org/stable/c/7535ec350a5f09b5756a7607f5582913f21200f4\"}, {\"url\": \"https://git.kernel.org/stable/c/8731fe001a60581794ed9cf65da8cd304846a6fb\"}, {\"url\": \"https://git.kernel.org/stable/c/88aa493f393d2ee38ac140e1f6ac1881346e85d4\"}, {\"url\": \"https://git.kernel.org/stable/c/b5909f197f3b26aebedca7d8ac7b688fd993a266\"}, {\"url\": \"https://git.kernel.org/stable/c/ccb88e9549e7cfd8bcd511c538f437e20026e983\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncrypto: ccp - Fix null pointer dereference in __sev_platform_shutdown_locked\\n\\nThe SEV platform device can be shutdown with a null psp_master,\\ne.g., using DEBUG_TEST_DRIVER_REMOVE.  Found using KASAN:\\n\\n[  137.148210] ccp 0000:23:00.1: enabling device (0000 -\u003e 0002)\\n[  137.162647] ccp 0000:23:00.1: no command queues available\\n[  137.170598] ccp 0000:23:00.1: sev enabled\\n[  137.174645] ccp 0000:23:00.1: psp enabled\\n[  137.178890] general protection fault, probably for non-canonical address 0xdffffc000000001e: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC KASAN NOPTI\\n[  137.182693] KASAN: null-ptr-deref in range [0x00000000000000f0-0x00000000000000f7]\\n[  137.182693] CPU: 93 PID: 1 Comm: swapper/0 Not tainted 6.8.0-rc1+ #311\\n[  137.182693] RIP: 0010:__sev_platform_shutdown_locked+0x51/0x180\\n[  137.182693] Code: 08 80 3c 08 00 0f 85 0e 01 00 00 48 8b 1d 67 b6 01 08 48 b8 00 00 00 00 00 fc ff df 48 8d bb f0 00 00 00 48 89 f9 48 c1 e9 03 \u003c80\u003e 3c 01 00 0f 85 fe 00 00 00 48 8b 9b f0 00 00 00 48 85 db 74 2c\\n[  137.182693] RSP: 0018:ffffc900000cf9b0 EFLAGS: 00010216\\n[  137.182693] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 000000000000001e\\n[  137.182693] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000000000f0\\n[  137.182693] RBP: ffffc900000cf9c8 R08: 0000000000000000 R09: fffffbfff58f5a66\\n[  137.182693] R10: ffffc900000cf9c8 R11: ffffffffac7ad32f R12: ffff8881e5052c28\\n[  137.182693] R13: ffff8881e5052c28 R14: ffff8881758e43e8 R15: ffffffffac64abf8\\n[  137.182693] FS:  0000000000000000(0000) GS:ffff889de7000000(0000) knlGS:0000000000000000\\n[  137.182693] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n[  137.182693] CR2: 0000000000000000 CR3: 0000001cf7c7e000 CR4: 0000000000350ef0\\n[  137.182693] Call Trace:\\n[  137.182693]  \u003cTASK\u003e\\n[  137.182693]  ? show_regs+0x6c/0x80\\n[  137.182693]  ? __die_body+0x24/0x70\\n[  137.182693]  ? die_addr+0x4b/0x80\\n[  137.182693]  ? exc_general_protection+0x126/0x230\\n[  137.182693]  ? asm_exc_general_protection+0x2b/0x30\\n[  137.182693]  ? __sev_platform_shutdown_locked+0x51/0x180\\n[  137.182693]  sev_firmware_shutdown.isra.0+0x1e/0x80\\n[  137.182693]  sev_dev_destroy+0x49/0x100\\n[  137.182693]  psp_dev_destroy+0x47/0xb0\\n[  137.182693]  sp_destroy+0xbb/0x240\\n[  137.182693]  sp_pci_remove+0x45/0x60\\n[  137.182693]  pci_device_remove+0xaa/0x1d0\\n[  137.182693]  device_remove+0xc7/0x170\\n[  137.182693]  really_probe+0x374/0xbe0\\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\\n[  137.182693]  __driver_probe_device+0x199/0x460\\n[  137.182693]  driver_probe_device+0x4e/0xd0\\n[  137.182693]  __driver_attach+0x191/0x3d0\\n[  137.182693]  ? __pfx___driver_attach+0x10/0x10\\n[  137.182693]  bus_for_each_dev+0x100/0x190\\n[  137.182693]  ? __pfx_bus_for_each_dev+0x10/0x10\\n[  137.182693]  ? __kasan_check_read+0x15/0x20\\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\\n[  137.182693]  ? _raw_spin_unlock+0x27/0x50\\n[  137.182693]  driver_attach+0x41/0x60\\n[  137.182693]  bus_add_driver+0x2a8/0x580\\n[  137.182693]  driver_register+0x141/0x480\\n[  137.182693]  __pci_register_driver+0x1d6/0x2a0\\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\\n[  137.182693]  ? esrt_sysfs_init+0x1cd/0x5d0\\n[  137.182693]  ? __pfx_sp_mod_init+0x10/0x10\\n[  137.182693]  sp_pci_init+0x22/0x30\\n[  137.182693]  sp_mod_init+0x14/0x30\\n[  137.182693]  ? __pfx_sp_mod_init+0x10/0x10\\n[  137.182693]  do_one_initcall+0xd1/0x470\\n[  137.182693]  ? __pfx_do_one_initcall+0x10/0x10\\n[  137.182693]  ? parameq+0x80/0xf0\\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\\n[  137.182693]  ? __kmalloc+0x3b0/0x4e0\\n[  137.182693]  ? kernel_init_freeable+0x92d/0x1050\\n[  137.182693]  ? kasan_populate_vmalloc_pte+0x171/0x190\\n[  137.182693]  ? srso_return_thunk+0x5/0x5f\\n[  137.182693]  kernel_init_freeable+0xa64/0x1050\\n[  137.182693]  ? __pfx_kernel_init+0x10/0x10\\n[  137.182693]  kernel_init+0x24/0x160\\n[  137.182693]  ? __switch_to_asm+0x3e/0x70\\n[  137.182693]  ret_from_fork+0x40/0x80\\n[  137.182693]  ? __pfx_kernel_init+0x1\\n---truncated---\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.210\", \"versionStartIncluding\": \"5.10.137\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.149\", \"versionStartIncluding\": \"5.15.61\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.79\", \"versionStartIncluding\": \"6.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.18\", \"versionStartIncluding\": \"6.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7.6\", \"versionStartIncluding\": \"6.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8\", \"versionStartIncluding\": \"6.0\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"5.18.18\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"5.19.2\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:02:24.801Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-26695\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:02:24.801Z\", \"dateReserved\": \"2024-02-19T14:20:24.156Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-04-03T14:54:56.184Z\", \"assignerShortName\": \"Linux\"}",
      "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.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.