CVE-2022-49179 (GCVE-0-2022-49179)
Vulnerability from cvelistv5
Published
2025-02-26 01:55
Modified
2025-05-04 08:31
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: block, bfq: don't move oom_bfqq Our test report a UAF: [ 2073.019181] ================================================================== [ 2073.019188] BUG: KASAN: use-after-free in __bfq_put_async_bfqq+0xa0/0x168 [ 2073.019191] Write of size 8 at addr ffff8000ccf64128 by task rmmod/72584 [ 2073.019192] [ 2073.019196] CPU: 0 PID: 72584 Comm: rmmod Kdump: loaded Not tainted 4.19.90-yk #5 [ 2073.019198] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015 [ 2073.019200] Call trace: [ 2073.019203] dump_backtrace+0x0/0x310 [ 2073.019206] show_stack+0x28/0x38 [ 2073.019210] dump_stack+0xec/0x15c [ 2073.019216] print_address_description+0x68/0x2d0 [ 2073.019220] kasan_report+0x238/0x2f0 [ 2073.019224] __asan_store8+0x88/0xb0 [ 2073.019229] __bfq_put_async_bfqq+0xa0/0x168 [ 2073.019233] bfq_put_async_queues+0xbc/0x208 [ 2073.019236] bfq_pd_offline+0x178/0x238 [ 2073.019240] blkcg_deactivate_policy+0x1f0/0x420 [ 2073.019244] bfq_exit_queue+0x128/0x178 [ 2073.019249] blk_mq_exit_sched+0x12c/0x160 [ 2073.019252] elevator_exit+0xc8/0xd0 [ 2073.019256] blk_exit_queue+0x50/0x88 [ 2073.019259] blk_cleanup_queue+0x228/0x3d8 [ 2073.019267] null_del_dev+0xfc/0x1e0 [null_blk] [ 2073.019274] null_exit+0x90/0x114 [null_blk] [ 2073.019278] __arm64_sys_delete_module+0x358/0x5a0 [ 2073.019282] el0_svc_common+0xc8/0x320 [ 2073.019287] el0_svc_handler+0xf8/0x160 [ 2073.019290] el0_svc+0x10/0x218 [ 2073.019291] [ 2073.019294] Allocated by task 14163: [ 2073.019301] kasan_kmalloc+0xe0/0x190 [ 2073.019305] kmem_cache_alloc_node_trace+0x1cc/0x418 [ 2073.019308] bfq_pd_alloc+0x54/0x118 [ 2073.019313] blkcg_activate_policy+0x250/0x460 [ 2073.019317] bfq_create_group_hierarchy+0x38/0x110 [ 2073.019321] bfq_init_queue+0x6d0/0x948 [ 2073.019325] blk_mq_init_sched+0x1d8/0x390 [ 2073.019330] elevator_switch_mq+0x88/0x170 [ 2073.019334] elevator_switch+0x140/0x270 [ 2073.019338] elv_iosched_store+0x1a4/0x2a0 [ 2073.019342] queue_attr_store+0x90/0xe0 [ 2073.019348] sysfs_kf_write+0xa8/0xe8 [ 2073.019351] kernfs_fop_write+0x1f8/0x378 [ 2073.019359] __vfs_write+0xe0/0x360 [ 2073.019363] vfs_write+0xf0/0x270 [ 2073.019367] ksys_write+0xdc/0x1b8 [ 2073.019371] __arm64_sys_write+0x50/0x60 [ 2073.019375] el0_svc_common+0xc8/0x320 [ 2073.019380] el0_svc_handler+0xf8/0x160 [ 2073.019383] el0_svc+0x10/0x218 [ 2073.019385] [ 2073.019387] Freed by task 72584: [ 2073.019391] __kasan_slab_free+0x120/0x228 [ 2073.019394] kasan_slab_free+0x10/0x18 [ 2073.019397] kfree+0x94/0x368 [ 2073.019400] bfqg_put+0x64/0xb0 [ 2073.019404] bfqg_and_blkg_put+0x90/0xb0 [ 2073.019408] bfq_put_queue+0x220/0x228 [ 2073.019413] __bfq_put_async_bfqq+0x98/0x168 [ 2073.019416] bfq_put_async_queues+0xbc/0x208 [ 2073.019420] bfq_pd_offline+0x178/0x238 [ 2073.019424] blkcg_deactivate_policy+0x1f0/0x420 [ 2073.019429] bfq_exit_queue+0x128/0x178 [ 2073.019433] blk_mq_exit_sched+0x12c/0x160 [ 2073.019437] elevator_exit+0xc8/0xd0 [ 2073.019440] blk_exit_queue+0x50/0x88 [ 2073.019443] blk_cleanup_queue+0x228/0x3d8 [ 2073.019451] null_del_dev+0xfc/0x1e0 [null_blk] [ 2073.019459] null_exit+0x90/0x114 [null_blk] [ 2073.019462] __arm64_sys_delete_module+0x358/0x5a0 [ 2073.019467] el0_svc_common+0xc8/0x320 [ 2073.019471] el0_svc_handler+0xf8/0x160 [ 2073.019474] el0_svc+0x10/0x218 [ 2073.019475] [ 2073.019479] The buggy address belongs to the object at ffff8000ccf63f00 which belongs to the cache kmalloc-1024 of size 1024 [ 2073.019484] The buggy address is located 552 bytes inside of 1024-byte region [ffff8000ccf63f00, ffff8000ccf64300) [ 2073.019486] The buggy address belongs to the page: [ 2073.019492] page:ffff7e000333d800 count:1 mapcount:0 mapping:ffff8000c0003a00 index:0x0 compound_mapcount: 0 [ 2073.020123] flags: 0x7ffff0000008100(slab|head) [ 2073.020403] raw: 07ffff0000008100 ffff7e0003334c08 ffff7e00001f5a08 ffff8000c0003a00 [ 2073.020409] ra ---truncated---
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7507ead1e9d42957c2340f2c4a0e9d00034e3366Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8410f70977734f21b8ed45c37e925d311dfda2e7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/87fdfe8589d43e471dffb4c60f75eeb6f37afc4cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8f34dea99cd7761156a146a5258a67d045d862f7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c01fced8d38fbccc82787065229578006f28e020Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c4f5a678add58a8a0e7ee5e038496b376ea6d205Patch
Impacted products
Vendor Product Version
Linux Linux Version: aee69d78dec0ffdf82e35d57c626e80dddc314d5
Version: aee69d78dec0ffdf82e35d57c626e80dddc314d5
Version: aee69d78dec0ffdf82e35d57c626e80dddc314d5
Version: aee69d78dec0ffdf82e35d57c626e80dddc314d5
Version: aee69d78dec0ffdf82e35d57c626e80dddc314d5
Version: aee69d78dec0ffdf82e35d57c626e80dddc314d5
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   Linux Linux Version: 4.12
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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "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"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2022-49179",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-27T17:59:03.662860Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-416",
                "description": "CWE-416 Use After Free",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-02-27T18:02:29.552Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "block/bfq-cgroup.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "lessThan": "c4f5a678add58a8a0e7ee5e038496b376ea6d205",
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            {
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              "versionType": "git"
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          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "block/bfq-cgroup.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.12"
            },
            {
              "lessThan": "4.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.189",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.110",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.33",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.16.*",
              "status": "unaffected",
              "version": "5.16.19",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.17.*",
              "status": "unaffected",
              "version": "5.17.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.189",
                  "versionStartIncluding": "4.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.110",
                  "versionStartIncluding": "4.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.33",
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                },
                {
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                  "versionEndExcluding": "5.16.19",
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                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "4.12",
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                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.18",
                  "versionStartIncluding": "4.12",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblock, bfq: don\u0027t move oom_bfqq\n\nOur test report a UAF:\n\n[ 2073.019181] ==================================================================\n[ 2073.019188] BUG: KASAN: use-after-free in __bfq_put_async_bfqq+0xa0/0x168\n[ 2073.019191] Write of size 8 at addr ffff8000ccf64128 by task rmmod/72584\n[ 2073.019192]\n[ 2073.019196] CPU: 0 PID: 72584 Comm: rmmod Kdump: loaded Not tainted 4.19.90-yk #5\n[ 2073.019198] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015\n[ 2073.019200] Call trace:\n[ 2073.019203]  dump_backtrace+0x0/0x310\n[ 2073.019206]  show_stack+0x28/0x38\n[ 2073.019210]  dump_stack+0xec/0x15c\n[ 2073.019216]  print_address_description+0x68/0x2d0\n[ 2073.019220]  kasan_report+0x238/0x2f0\n[ 2073.019224]  __asan_store8+0x88/0xb0\n[ 2073.019229]  __bfq_put_async_bfqq+0xa0/0x168\n[ 2073.019233]  bfq_put_async_queues+0xbc/0x208\n[ 2073.019236]  bfq_pd_offline+0x178/0x238\n[ 2073.019240]  blkcg_deactivate_policy+0x1f0/0x420\n[ 2073.019244]  bfq_exit_queue+0x128/0x178\n[ 2073.019249]  blk_mq_exit_sched+0x12c/0x160\n[ 2073.019252]  elevator_exit+0xc8/0xd0\n[ 2073.019256]  blk_exit_queue+0x50/0x88\n[ 2073.019259]  blk_cleanup_queue+0x228/0x3d8\n[ 2073.019267]  null_del_dev+0xfc/0x1e0 [null_blk]\n[ 2073.019274]  null_exit+0x90/0x114 [null_blk]\n[ 2073.019278]  __arm64_sys_delete_module+0x358/0x5a0\n[ 2073.019282]  el0_svc_common+0xc8/0x320\n[ 2073.019287]  el0_svc_handler+0xf8/0x160\n[ 2073.019290]  el0_svc+0x10/0x218\n[ 2073.019291]\n[ 2073.019294] Allocated by task 14163:\n[ 2073.019301]  kasan_kmalloc+0xe0/0x190\n[ 2073.019305]  kmem_cache_alloc_node_trace+0x1cc/0x418\n[ 2073.019308]  bfq_pd_alloc+0x54/0x118\n[ 2073.019313]  blkcg_activate_policy+0x250/0x460\n[ 2073.019317]  bfq_create_group_hierarchy+0x38/0x110\n[ 2073.019321]  bfq_init_queue+0x6d0/0x948\n[ 2073.019325]  blk_mq_init_sched+0x1d8/0x390\n[ 2073.019330]  elevator_switch_mq+0x88/0x170\n[ 2073.019334]  elevator_switch+0x140/0x270\n[ 2073.019338]  elv_iosched_store+0x1a4/0x2a0\n[ 2073.019342]  queue_attr_store+0x90/0xe0\n[ 2073.019348]  sysfs_kf_write+0xa8/0xe8\n[ 2073.019351]  kernfs_fop_write+0x1f8/0x378\n[ 2073.019359]  __vfs_write+0xe0/0x360\n[ 2073.019363]  vfs_write+0xf0/0x270\n[ 2073.019367]  ksys_write+0xdc/0x1b8\n[ 2073.019371]  __arm64_sys_write+0x50/0x60\n[ 2073.019375]  el0_svc_common+0xc8/0x320\n[ 2073.019380]  el0_svc_handler+0xf8/0x160\n[ 2073.019383]  el0_svc+0x10/0x218\n[ 2073.019385]\n[ 2073.019387] Freed by task 72584:\n[ 2073.019391]  __kasan_slab_free+0x120/0x228\n[ 2073.019394]  kasan_slab_free+0x10/0x18\n[ 2073.019397]  kfree+0x94/0x368\n[ 2073.019400]  bfqg_put+0x64/0xb0\n[ 2073.019404]  bfqg_and_blkg_put+0x90/0xb0\n[ 2073.019408]  bfq_put_queue+0x220/0x228\n[ 2073.019413]  __bfq_put_async_bfqq+0x98/0x168\n[ 2073.019416]  bfq_put_async_queues+0xbc/0x208\n[ 2073.019420]  bfq_pd_offline+0x178/0x238\n[ 2073.019424]  blkcg_deactivate_policy+0x1f0/0x420\n[ 2073.019429]  bfq_exit_queue+0x128/0x178\n[ 2073.019433]  blk_mq_exit_sched+0x12c/0x160\n[ 2073.019437]  elevator_exit+0xc8/0xd0\n[ 2073.019440]  blk_exit_queue+0x50/0x88\n[ 2073.019443]  blk_cleanup_queue+0x228/0x3d8\n[ 2073.019451]  null_del_dev+0xfc/0x1e0 [null_blk]\n[ 2073.019459]  null_exit+0x90/0x114 [null_blk]\n[ 2073.019462]  __arm64_sys_delete_module+0x358/0x5a0\n[ 2073.019467]  el0_svc_common+0xc8/0x320\n[ 2073.019471]  el0_svc_handler+0xf8/0x160\n[ 2073.019474]  el0_svc+0x10/0x218\n[ 2073.019475]\n[ 2073.019479] The buggy address belongs to the object at ffff8000ccf63f00\n which belongs to the cache kmalloc-1024 of size 1024\n[ 2073.019484] The buggy address is located 552 bytes inside of\n 1024-byte region [ffff8000ccf63f00, ffff8000ccf64300)\n[ 2073.019486] The buggy address belongs to the page:\n[ 2073.019492] page:ffff7e000333d800 count:1 mapcount:0 mapping:ffff8000c0003a00 index:0x0 compound_mapcount: 0\n[ 2073.020123] flags: 0x7ffff0000008100(slab|head)\n[ 2073.020403] raw: 07ffff0000008100 ffff7e0003334c08 ffff7e00001f5a08 ffff8000c0003a00\n[ 2073.020409] ra\n---truncated---"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T08:31:42.491Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/c4f5a678add58a8a0e7ee5e038496b376ea6d205"
        },
        {
          "url": "https://git.kernel.org/stable/c/7507ead1e9d42957c2340f2c4a0e9d00034e3366"
        },
        {
          "url": "https://git.kernel.org/stable/c/8f34dea99cd7761156a146a5258a67d045d862f7"
        },
        {
          "url": "https://git.kernel.org/stable/c/87fdfe8589d43e471dffb4c60f75eeb6f37afc4c"
        },
        {
          "url": "https://git.kernel.org/stable/c/c01fced8d38fbccc82787065229578006f28e020"
        },
        {
          "url": "https://git.kernel.org/stable/c/8410f70977734f21b8ed45c37e925d311dfda2e7"
        }
      ],
      "title": "block, bfq: don\u0027t move oom_bfqq",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49179",
    "datePublished": "2025-02-26T01:55:32.100Z",
    "dateReserved": "2025-02-26T01:49:39.281Z",
    "dateUpdated": "2025-05-04T08:31:42.491Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49179\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-02-26T07:00:55.037\",\"lastModified\":\"2025-03-25T15:07:03.630\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nblock, bfq: don\u0027t move oom_bfqq\\n\\nOur test report a UAF:\\n\\n[ 2073.019181] ==================================================================\\n[ 2073.019188] BUG: KASAN: use-after-free in __bfq_put_async_bfqq+0xa0/0x168\\n[ 2073.019191] Write of size 8 at addr ffff8000ccf64128 by task rmmod/72584\\n[ 2073.019192]\\n[ 2073.019196] CPU: 0 PID: 72584 Comm: rmmod Kdump: loaded Not tainted 4.19.90-yk #5\\n[ 2073.019198] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015\\n[ 2073.019200] Call trace:\\n[ 2073.019203]  dump_backtrace+0x0/0x310\\n[ 2073.019206]  show_stack+0x28/0x38\\n[ 2073.019210]  dump_stack+0xec/0x15c\\n[ 2073.019216]  print_address_description+0x68/0x2d0\\n[ 2073.019220]  kasan_report+0x238/0x2f0\\n[ 2073.019224]  __asan_store8+0x88/0xb0\\n[ 2073.019229]  __bfq_put_async_bfqq+0xa0/0x168\\n[ 2073.019233]  bfq_put_async_queues+0xbc/0x208\\n[ 2073.019236]  bfq_pd_offline+0x178/0x238\\n[ 2073.019240]  blkcg_deactivate_policy+0x1f0/0x420\\n[ 2073.019244]  bfq_exit_queue+0x128/0x178\\n[ 2073.019249]  blk_mq_exit_sched+0x12c/0x160\\n[ 2073.019252]  elevator_exit+0xc8/0xd0\\n[ 2073.019256]  blk_exit_queue+0x50/0x88\\n[ 2073.019259]  blk_cleanup_queue+0x228/0x3d8\\n[ 2073.019267]  null_del_dev+0xfc/0x1e0 [null_blk]\\n[ 2073.019274]  null_exit+0x90/0x114 [null_blk]\\n[ 2073.019278]  __arm64_sys_delete_module+0x358/0x5a0\\n[ 2073.019282]  el0_svc_common+0xc8/0x320\\n[ 2073.019287]  el0_svc_handler+0xf8/0x160\\n[ 2073.019290]  el0_svc+0x10/0x218\\n[ 2073.019291]\\n[ 2073.019294] Allocated by task 14163:\\n[ 2073.019301]  kasan_kmalloc+0xe0/0x190\\n[ 2073.019305]  kmem_cache_alloc_node_trace+0x1cc/0x418\\n[ 2073.019308]  bfq_pd_alloc+0x54/0x118\\n[ 2073.019313]  blkcg_activate_policy+0x250/0x460\\n[ 2073.019317]  bfq_create_group_hierarchy+0x38/0x110\\n[ 2073.019321]  bfq_init_queue+0x6d0/0x948\\n[ 2073.019325]  blk_mq_init_sched+0x1d8/0x390\\n[ 2073.019330]  elevator_switch_mq+0x88/0x170\\n[ 2073.019334]  elevator_switch+0x140/0x270\\n[ 2073.019338]  elv_iosched_store+0x1a4/0x2a0\\n[ 2073.019342]  queue_attr_store+0x90/0xe0\\n[ 2073.019348]  sysfs_kf_write+0xa8/0xe8\\n[ 2073.019351]  kernfs_fop_write+0x1f8/0x378\\n[ 2073.019359]  __vfs_write+0xe0/0x360\\n[ 2073.019363]  vfs_write+0xf0/0x270\\n[ 2073.019367]  ksys_write+0xdc/0x1b8\\n[ 2073.019371]  __arm64_sys_write+0x50/0x60\\n[ 2073.019375]  el0_svc_common+0xc8/0x320\\n[ 2073.019380]  el0_svc_handler+0xf8/0x160\\n[ 2073.019383]  el0_svc+0x10/0x218\\n[ 2073.019385]\\n[ 2073.019387] Freed by task 72584:\\n[ 2073.019391]  __kasan_slab_free+0x120/0x228\\n[ 2073.019394]  kasan_slab_free+0x10/0x18\\n[ 2073.019397]  kfree+0x94/0x368\\n[ 2073.019400]  bfqg_put+0x64/0xb0\\n[ 2073.019404]  bfqg_and_blkg_put+0x90/0xb0\\n[ 2073.019408]  bfq_put_queue+0x220/0x228\\n[ 2073.019413]  __bfq_put_async_bfqq+0x98/0x168\\n[ 2073.019416]  bfq_put_async_queues+0xbc/0x208\\n[ 2073.019420]  bfq_pd_offline+0x178/0x238\\n[ 2073.019424]  blkcg_deactivate_policy+0x1f0/0x420\\n[ 2073.019429]  bfq_exit_queue+0x128/0x178\\n[ 2073.019433]  blk_mq_exit_sched+0x12c/0x160\\n[ 2073.019437]  elevator_exit+0xc8/0xd0\\n[ 2073.019440]  blk_exit_queue+0x50/0x88\\n[ 2073.019443]  blk_cleanup_queue+0x228/0x3d8\\n[ 2073.019451]  null_del_dev+0xfc/0x1e0 [null_blk]\\n[ 2073.019459]  null_exit+0x90/0x114 [null_blk]\\n[ 2073.019462]  __arm64_sys_delete_module+0x358/0x5a0\\n[ 2073.019467]  el0_svc_common+0xc8/0x320\\n[ 2073.019471]  el0_svc_handler+0xf8/0x160\\n[ 2073.019474]  el0_svc+0x10/0x218\\n[ 2073.019475]\\n[ 2073.019479] The buggy address belongs to the object at ffff8000ccf63f00\\n which belongs to the cache kmalloc-1024 of size 1024\\n[ 2073.019484] The buggy address is located 552 bytes inside of\\n 1024-byte region [ffff8000ccf63f00, ffff8000ccf64300)\\n[ 2073.019486] The buggy address belongs to the page:\\n[ 2073.019492] page:ffff7e000333d800 count:1 mapcount:0 mapping:ffff8000c0003a00 index:0x0 compound_mapcount: 0\\n[ 2073.020123] flags: 0x7ffff0000008100(slab|head)\\n[ 2073.020403] raw: 07ffff0000008100 ffff7e0003334c08 ffff7e00001f5a08 ffff8000c0003a00\\n[ 2073.020409] ra\\n---truncated---\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: block, bfq: don\u0027t move oom_bfqq Nuestro informe de prueba es un UAF: [ 2073.019181] ======================================================================= [ 2073.019188] ERROR: KASAN: use-after-free en __bfq_put_async_bfqq+0xa0/0x168 [ 2073.019191] Escritura de tama\u00f1o 8 en la direcci\u00f3n ffff8000ccf64128 por la tarea rmmod/72584 [ 2073.019192] [ 2073.019196] CPU: 0 PID: 72584 Comm: rmmod Kdump: cargado No contaminado 4.19.90-yk #5 [ 2073.019198] Nombre del hardware: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015 [ 2073.019200] Rastreo de llamadas: [ 2073.019203] dump_backtrace+0x0/0x310 [ 2073.019206] show_stack+0x28/0x38 [ 2073.019210] dump_stack+0xec/0x15c [ 2073.019216] print_address_description+0x68/0x2d0 [ 2073.019220] kasan_report+0x238/0x2f0 [ 2073.019224] __asan_store8+0x88/0xb0 [ 2073.019229] __bfq_put_async_bfqq+0xa0/0x168 [ 2073.019233] bfq_put_async_queues+0xbc/0x208 [ 2073.019236] bfq_pd_offline+0x178/0x238 [ 2073.019240] blkcg_deactivate_policy+0x1f0/0x420 [ 2073.019244] bfq_exit_queue+0x128/0x178 [ 2073.019249] blk_mq_exit_sched+0x12c/0x160 [ 2073.019252] elevator_exit+0xc8/0xd0 [ 2073.019256] blk_exit_queue+0x50/0x88 [ 2073.019259] blk_cleanup_queue+0x228/0x3d8 [ 2073.019267] null_del_dev+0xfc/0x1e0 [null_blk] [ 2073.019274] null_exit+0x90/0x114 [null_blk] [ 2073.019278] __arm64_sys_delete_module+0x358/0x5a0 [ 2073.019282] el0_svc_common+0xc8/0x320 [ 2073.019287] el0_svc_handler+0xf8/0x160 [ 2073.019290] el0_svc+0x10/0x218 [ 2073.019291] [ 2073.019294] Asignado por la tarea 14163: [ 2073.019301] kasan_kmalloc+0xe0/0x190 [ 2073.019305] kmem_cache_alloc_node_trace+0x1cc/0x418 [ 2073.019308] bfq_pd_alloc+0x54/0x118 [ 2073.019313] blkcg_activate_policy+0x250/0x460 [ 2073.019317] bfq_create_group_hierarchy+0x38/0x110 [ 2073.019321] bfq_init_queue+0x6d0/0x948 [ 2073.019325] blk_mq_init_sched+0x1d8/0x390 [ 2073.019330] elevator_switch_mq+0x88/0x170 [ 2073.019334] elevator_switch+0x140/0x270 [ 2073.019338] elv_iosched_store+0x1a4/0x2a0 [ 2073.019342] queue_attr_store+0x90/0xe0 [ 2073.019348] sysfs_kf_write+0xa8/0xe8 [ 2073.019351] kernfs_fop_write+0x1f8/0x378 [ 2073.019359] __vfs_write+0xe0/0x360 [ 2073.019363] vfs_write+0xf0/0x270 [ 2073.019367] ksys_write+0xdc/0x1b8 [ 2073.019371] __arm64_sys_write+0x50/0x60 [ 2073.019375] el0_svc_common+0xc8/0x320 [ 2073.019380] el0_svc_handler+0xf8/0x160 [ 2073.019383] el0_svc+0x10/0x218 [ 2073.019385] [ 2073.019387] Liberado por la tarea 72584: [ 2073.019391] __kasan_slab_free+0x120/0x228 [ 2073.019394] kasan_slab_free+0x10/0x18 [ 2073.019397] kfree+0x94/0x368 [ 2073.019400] bfqg_put+0x64/0xb0 [ 2073.019404] bfqg_and_blkg_put+0x90/0xb0 [ 2073.019408] bfq_put_queue+0x220/0x228 [ 2073.019413] __bfq_put_async_bfqq+0x98/0x168 [ 2073.019416] bfq_put_async_queues+0xbc/0x208 [ 2073.019420] bfq_pd_offline+0x178/0x238 [ 2073.019424] blkcg_deactivate_policy+0x1f0/0x420 [ 2073.019429] bfq_exit_queue+0x128/0x178 [ 2073.019433] blk_mq_exit_sched+0x12c/0x160 [ 2073.019437] elevator_exit+0xc8/0xd0 [ 2073.019440] blk_exit_queue+0x50/0x88 [ 2073.019443] blk_cleanup_queue+0x228/0x3d8 [ 2073.019451] null_del_dev+0xfc/0x1e0 [null_blk] [ 2073.019459] null_exit+0x90/0x114 [null_blk] [ 2073.019462] __arm64_sys_delete_module+0x358/0x5a0 [ 2073.019467] el0_svc_common+0xc8/0x320 [ 2073.019471] el0_svc_handler+0xf8/0x160 [ 2073.019474] el0_svc+0x10/0x218 [ 2073.019475] [ 2073.019479]  La direcci\u00f3n con errores pertenece al objeto en ffff8000ccf63f00 que pertenece al cach\u00e9 kmalloc-1024 de tama\u00f1o 1024 [ 2073.019484] La direcci\u00f3n con errores se encuentra 552 bytes dentro de la regi\u00f3n de 1024 bytes [ffff8000ccf63f00, ffff8000ccf64300) [ 2073.019486] La direcci\u00f3n con errores pertenece a la p\u00e1gina: [ 2073.019492] page:ffff7e000333d800 count:1 mapcount:0 mapping:ffff8000c0003a00 index:0x0 Compound_mapcount: 0 [ 2073.020123] flags: 0x7ffff0000008100(slab|head) [ 2073.020403] raw: 07ffff0000008100 ffff7e0003334c08 ffff7e00001f5a08 ffff8000c0003a00 [ 2073.020409] ra ---truncado---\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"5.4.189\",\"matchCriteriaId\":\"4AAE7A78-57E5-45A6-860D-7867DA88A45E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.110\",\"matchCriteriaId\":\"91D3BFD0-D3F3-4018-957C-96CCBF357D79\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.33\",\"matchCriteriaId\":\"27C42AE8-B387-43E2-938A-E1C8B40BE6D5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"5.16.19\",\"matchCriteriaId\":\"20C43679-0439-405A-B97F-685BEE50613B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.17\",\"versionEndExcluding\":\"5.17.2\",\"matchCriteriaId\":\"210C679C-CF84-44A3-8939-E629C87E54BF\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/7507ead1e9d42957c2340f2c4a0e9d00034e3366\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8410f70977734f21b8ed45c37e925d311dfda2e7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/87fdfe8589d43e471dffb4c60f75eeb6f37afc4c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8f34dea99cd7761156a146a5258a67d045d862f7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c01fced8d38fbccc82787065229578006f28e020\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c4f5a678add58a8a0e7ee5e038496b376ea6d205\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-49179\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-02-27T17:59:03.662860Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-416\", \"description\": \"CWE-416 Use After Free\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-02-27T17:59:04.947Z\"}}], \"cna\": {\"title\": \"block, bfq: don\u0027t move oom_bfqq\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"aee69d78dec0ffdf82e35d57c626e80dddc314d5\", \"lessThan\": \"c4f5a678add58a8a0e7ee5e038496b376ea6d205\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"aee69d78dec0ffdf82e35d57c626e80dddc314d5\", \"lessThan\": \"7507ead1e9d42957c2340f2c4a0e9d00034e3366\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"aee69d78dec0ffdf82e35d57c626e80dddc314d5\", \"lessThan\": \"8f34dea99cd7761156a146a5258a67d045d862f7\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"aee69d78dec0ffdf82e35d57c626e80dddc314d5\", \"lessThan\": \"87fdfe8589d43e471dffb4c60f75eeb6f37afc4c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"aee69d78dec0ffdf82e35d57c626e80dddc314d5\", \"lessThan\": \"c01fced8d38fbccc82787065229578006f28e020\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"aee69d78dec0ffdf82e35d57c626e80dddc314d5\", \"lessThan\": \"8410f70977734f21b8ed45c37e925d311dfda2e7\", \"versionType\": \"git\"}], \"programFiles\": [\"block/bfq-cgroup.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.12\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.12\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.4.189\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.110\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.33\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"5.16.19\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.16.*\"}, {\"status\": \"unaffected\", \"version\": \"5.17.2\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.17.*\"}, {\"status\": \"unaffected\", \"version\": \"5.18\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"block/bfq-cgroup.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/c4f5a678add58a8a0e7ee5e038496b376ea6d205\"}, {\"url\": \"https://git.kernel.org/stable/c/7507ead1e9d42957c2340f2c4a0e9d00034e3366\"}, {\"url\": \"https://git.kernel.org/stable/c/8f34dea99cd7761156a146a5258a67d045d862f7\"}, {\"url\": \"https://git.kernel.org/stable/c/87fdfe8589d43e471dffb4c60f75eeb6f37afc4c\"}, {\"url\": \"https://git.kernel.org/stable/c/c01fced8d38fbccc82787065229578006f28e020\"}, {\"url\": \"https://git.kernel.org/stable/c/8410f70977734f21b8ed45c37e925d311dfda2e7\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nblock, bfq: don\u0027t move oom_bfqq\\n\\nOur test report a UAF:\\n\\n[ 2073.019181] ==================================================================\\n[ 2073.019188] BUG: KASAN: use-after-free in __bfq_put_async_bfqq+0xa0/0x168\\n[ 2073.019191] Write of size 8 at addr ffff8000ccf64128 by task rmmod/72584\\n[ 2073.019192]\\n[ 2073.019196] CPU: 0 PID: 72584 Comm: rmmod Kdump: loaded Not tainted 4.19.90-yk #5\\n[ 2073.019198] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015\\n[ 2073.019200] Call trace:\\n[ 2073.019203]  dump_backtrace+0x0/0x310\\n[ 2073.019206]  show_stack+0x28/0x38\\n[ 2073.019210]  dump_stack+0xec/0x15c\\n[ 2073.019216]  print_address_description+0x68/0x2d0\\n[ 2073.019220]  kasan_report+0x238/0x2f0\\n[ 2073.019224]  __asan_store8+0x88/0xb0\\n[ 2073.019229]  __bfq_put_async_bfqq+0xa0/0x168\\n[ 2073.019233]  bfq_put_async_queues+0xbc/0x208\\n[ 2073.019236]  bfq_pd_offline+0x178/0x238\\n[ 2073.019240]  blkcg_deactivate_policy+0x1f0/0x420\\n[ 2073.019244]  bfq_exit_queue+0x128/0x178\\n[ 2073.019249]  blk_mq_exit_sched+0x12c/0x160\\n[ 2073.019252]  elevator_exit+0xc8/0xd0\\n[ 2073.019256]  blk_exit_queue+0x50/0x88\\n[ 2073.019259]  blk_cleanup_queue+0x228/0x3d8\\n[ 2073.019267]  null_del_dev+0xfc/0x1e0 [null_blk]\\n[ 2073.019274]  null_exit+0x90/0x114 [null_blk]\\n[ 2073.019278]  __arm64_sys_delete_module+0x358/0x5a0\\n[ 2073.019282]  el0_svc_common+0xc8/0x320\\n[ 2073.019287]  el0_svc_handler+0xf8/0x160\\n[ 2073.019290]  el0_svc+0x10/0x218\\n[ 2073.019291]\\n[ 2073.019294] Allocated by task 14163:\\n[ 2073.019301]  kasan_kmalloc+0xe0/0x190\\n[ 2073.019305]  kmem_cache_alloc_node_trace+0x1cc/0x418\\n[ 2073.019308]  bfq_pd_alloc+0x54/0x118\\n[ 2073.019313]  blkcg_activate_policy+0x250/0x460\\n[ 2073.019317]  bfq_create_group_hierarchy+0x38/0x110\\n[ 2073.019321]  bfq_init_queue+0x6d0/0x948\\n[ 2073.019325]  blk_mq_init_sched+0x1d8/0x390\\n[ 2073.019330]  elevator_switch_mq+0x88/0x170\\n[ 2073.019334]  elevator_switch+0x140/0x270\\n[ 2073.019338]  elv_iosched_store+0x1a4/0x2a0\\n[ 2073.019342]  queue_attr_store+0x90/0xe0\\n[ 2073.019348]  sysfs_kf_write+0xa8/0xe8\\n[ 2073.019351]  kernfs_fop_write+0x1f8/0x378\\n[ 2073.019359]  __vfs_write+0xe0/0x360\\n[ 2073.019363]  vfs_write+0xf0/0x270\\n[ 2073.019367]  ksys_write+0xdc/0x1b8\\n[ 2073.019371]  __arm64_sys_write+0x50/0x60\\n[ 2073.019375]  el0_svc_common+0xc8/0x320\\n[ 2073.019380]  el0_svc_handler+0xf8/0x160\\n[ 2073.019383]  el0_svc+0x10/0x218\\n[ 2073.019385]\\n[ 2073.019387] Freed by task 72584:\\n[ 2073.019391]  __kasan_slab_free+0x120/0x228\\n[ 2073.019394]  kasan_slab_free+0x10/0x18\\n[ 2073.019397]  kfree+0x94/0x368\\n[ 2073.019400]  bfqg_put+0x64/0xb0\\n[ 2073.019404]  bfqg_and_blkg_put+0x90/0xb0\\n[ 2073.019408]  bfq_put_queue+0x220/0x228\\n[ 2073.019413]  __bfq_put_async_bfqq+0x98/0x168\\n[ 2073.019416]  bfq_put_async_queues+0xbc/0x208\\n[ 2073.019420]  bfq_pd_offline+0x178/0x238\\n[ 2073.019424]  blkcg_deactivate_policy+0x1f0/0x420\\n[ 2073.019429]  bfq_exit_queue+0x128/0x178\\n[ 2073.019433]  blk_mq_exit_sched+0x12c/0x160\\n[ 2073.019437]  elevator_exit+0xc8/0xd0\\n[ 2073.019440]  blk_exit_queue+0x50/0x88\\n[ 2073.019443]  blk_cleanup_queue+0x228/0x3d8\\n[ 2073.019451]  null_del_dev+0xfc/0x1e0 [null_blk]\\n[ 2073.019459]  null_exit+0x90/0x114 [null_blk]\\n[ 2073.019462]  __arm64_sys_delete_module+0x358/0x5a0\\n[ 2073.019467]  el0_svc_common+0xc8/0x320\\n[ 2073.019471]  el0_svc_handler+0xf8/0x160\\n[ 2073.019474]  el0_svc+0x10/0x218\\n[ 2073.019475]\\n[ 2073.019479] The buggy address belongs to the object at ffff8000ccf63f00\\n which belongs to the cache kmalloc-1024 of size 1024\\n[ 2073.019484] The buggy address is located 552 bytes inside of\\n 1024-byte region [ffff8000ccf63f00, ffff8000ccf64300)\\n[ 2073.019486] The buggy address belongs to the page:\\n[ 2073.019492] page:ffff7e000333d800 count:1 mapcount:0 mapping:ffff8000c0003a00 index:0x0 compound_mapcount: 0\\n[ 2073.020123] flags: 0x7ffff0000008100(slab|head)\\n[ 2073.020403] raw: 07ffff0000008100 ffff7e0003334c08 ffff7e00001f5a08 ffff8000c0003a00\\n[ 2073.020409] ra\\n---truncated---\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.189\", \"versionStartIncluding\": \"4.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.110\", \"versionStartIncluding\": \"4.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.33\", \"versionStartIncluding\": \"4.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.16.19\", \"versionStartIncluding\": \"4.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.17.2\", \"versionStartIncluding\": \"4.12\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.18\", \"versionStartIncluding\": \"4.12\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T08:31:42.491Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-49179\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T08:31:42.491Z\", \"dateReserved\": \"2025-02-26T01:49:39.281Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-02-26T01:55:32.100Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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