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CVE-2022-49033 (GCVE-0-2022-49033)

Vulnerability from cvelistv5 – Published: 2024-10-21 20:06 – Updated: 2026-05-11 18:51
VLAI
Title
btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()
Summary
In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit() Syzkaller reported BUG as follows: BUG: sleeping function called from invalid context at include/linux/sched/mm.h:274 Call Trace: <TASK> dump_stack_lvl+0xcd/0x134 __might_resched.cold+0x222/0x26b kmem_cache_alloc+0x2e7/0x3c0 update_qgroup_limit_item+0xe1/0x390 btrfs_qgroup_inherit+0x147b/0x1ee0 create_subvol+0x4eb/0x1710 btrfs_mksubvol+0xfe5/0x13f0 __btrfs_ioctl_snap_create+0x2b0/0x430 btrfs_ioctl_snap_create_v2+0x25a/0x520 btrfs_ioctl+0x2a1c/0x5ce0 __x64_sys_ioctl+0x193/0x200 do_syscall_64+0x35/0x80 Fix this by calling qgroup_dirty() on @dstqgroup, and update limit item in btrfs_run_qgroups() later outside of the spinlock context.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 13:10 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: e8c8541ac379709db8d2339e1cb720469fc2cd8f , < 89840b12c8fad7200eb6478525c13261512c01be (git)
Affected: e8c8541ac379709db8d2339e1cb720469fc2cd8f , < 3c98e91be6aea4c7acf09da6eb0c107ea9186bb5 (git)
Affected: e8c8541ac379709db8d2339e1cb720469fc2cd8f , < f4b930a1602b05e77fee31f9616599b25e910a86 (git)
Affected: e8c8541ac379709db8d2339e1cb720469fc2cd8f , < 8eb912af525042a7365295eb62f6d5270c2a6462 (git)
Affected: e8c8541ac379709db8d2339e1cb720469fc2cd8f , < 01d7c41eac9129fba80d8aed0060caab4a7dbe09 (git)
Affected: e8c8541ac379709db8d2339e1cb720469fc2cd8f , < 044da1a371a0da579e805e89c96865f62d8f6f69 (git)
Affected: e8c8541ac379709db8d2339e1cb720469fc2cd8f , < 588ae4fdd8b11788a797776b10d6c44ae12bc133 (git)
Affected: e8c8541ac379709db8d2339e1cb720469fc2cd8f , < f7e942b5bb35d8e3af54053d19a6bf04143a3955 (git)
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Linux Linux Affected: 4.1
Unaffected: 0 , < 4.1 (semver)
Unaffected: 4.9.335 , ≤ 4.9.* (semver)
Unaffected: 4.14.301 , ≤ 4.14.* (semver)
Unaffected: 4.19.268 , ≤ 4.19.* (semver)
Unaffected: 5.4.226 , ≤ 5.4.* (semver)
Unaffected: 5.10.158 , ≤ 5.10.* (semver)
Unaffected: 5.15.82 , ≤ 5.15.* (semver)
Unaffected: 6.0.12 , ≤ 6.0.* (semver)
Unaffected: 6.1 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49033\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-10-21T20:15:13.943\",\"lastModified\":\"2026-06-17T05:16:53.887\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nbtrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()\\n\\nSyzkaller reported BUG as follows:\\n\\n  BUG: sleeping function called from invalid context at\\n       include/linux/sched/mm.h:274\\n  Call Trace:\\n   \u003cTASK\u003e\\n   dump_stack_lvl+0xcd/0x134\\n   __might_resched.cold+0x222/0x26b\\n   kmem_cache_alloc+0x2e7/0x3c0\\n   update_qgroup_limit_item+0xe1/0x390\\n   btrfs_qgroup_inherit+0x147b/0x1ee0\\n   create_subvol+0x4eb/0x1710\\n   btrfs_mksubvol+0xfe5/0x13f0\\n   __btrfs_ioctl_snap_create+0x2b0/0x430\\n   btrfs_ioctl_snap_create_v2+0x25a/0x520\\n   btrfs_ioctl+0x2a1c/0x5ce0\\n   __x64_sys_ioctl+0x193/0x200\\n   do_syscall_64+0x35/0x80\\n\\nFix this by calling qgroup_dirty() on @dstqgroup, and update limit item in\\nbtrfs_run_qgroups() later outside of the spinlock context.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: btrfs: qgroup: correcci\u00f3n del error de suspensi\u00f3n desde un contexto no v\u00e1lido en btrfs_qgroup_inherit() Syzkaller inform\u00f3 de un ERROR como el siguiente: ERROR: funci\u00f3n de suspensi\u00f3n llamada desde un contexto no v\u00e1lido en include/linux/sched/mm.h:274 Seguimiento de llamadas:  dump_stack_lvl+0xcd/0x134 __might_resched.cold+0x222/0x26b kmem_cache_alloc+0x2e7/0x3c0 update_qgroup_limit_item+0xe1/0x390 btrfs_qgroup_inherit+0x147b/0x1ee0 create_subvol+0x4eb/0x1710 btrfs_mksubvol+0xfe5/0x13f0 __btrfs_ioctl_snap_create+0x2b0/0x430 btrfs_ioctl_snap_create_v2+0x25a/0x520 btrfs_ioctl+0x2a1c/0x5ce0 __x64_sys_ioctl+0x193/0x200 do_syscall_64+0x35/0x80 Solucione esto llamando a qgroup_dirty() en @dstqgroup y actualice el elemento de l\u00edmite en btrfs_run_qgroups() m\u00e1s tarde fuera del contexto de spinlock.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"fs/btrfs/qgroup.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"e8c8541ac379709db8d2339e1cb720469fc2cd8f\",\"lessThan\":\"89840b12c8fad7200eb6478525c13261512c01be\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"e8c8541ac379709db8d2339e1cb720469fc2cd8f\",\"lessThan\":\"3c98e91be6aea4c7acf09da6eb0c107ea9186bb5\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"e8c8541ac379709db8d2339e1cb720469fc2cd8f\",\"lessThan\":\"f4b930a1602b05e77fee31f9616599b25e910a86\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"e8c8541ac379709db8d2339e1cb720469fc2cd8f\",\"lessThan\":\"8eb912af525042a7365295eb62f6d5270c2a6462\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"e8c8541ac379709db8d2339e1cb720469fc2cd8f\",\"lessThan\":\"01d7c41eac9129fba80d8aed0060caab4a7dbe09\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"e8c8541ac379709db8d2339e1cb720469fc2cd8f\",\"lessThan\":\"044da1a371a0da579e805e89c96865f62d8f6f69\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"e8c8541ac379709db8d2339e1cb720469fc2cd8f\",\"lessThan\":\"588ae4fdd8b11788a797776b10d6c44ae12bc133\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"e8c8541ac379709db8d2339e1cb720469fc2cd8f\",\"lessThan\":\"f7e942b5bb35d8e3af54053d19a6bf04143a3955\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"fs/btrfs/qgroup.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.1\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.1\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.9.335\",\"lessThanOrEqual\":\"4.9.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.14.301\",\"lessThanOrEqual\":\"4.14.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.19.268\",\"lessThanOrEqual\":\"4.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.226\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.158\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.82\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.0.12\",\"lessThanOrEqual\":\"6.0.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"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}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-10-22T13:10:58.830375Z\",\"id\":\"CVE-2022-49033\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"4.14.301\",\"matchCriteriaId\":\"13B8AC8B-CE6D-4DF7-9856-FCDB8A56B156\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.15\",\"versionEndExcluding\":\"4.19.268\",\"matchCriteriaId\":\"04705C94-71FA-46AB-AF73-B551892B0EBA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.226\",\"matchCriteriaId\":\"274F5087-5805-4D03-8C74-8517300658F1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.158\",\"matchCriteriaId\":\"D0FB1AF1-0A0B-4419-B25F-C61F17380E18\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.82\",\"matchCriteriaId\":\"0DC20DB6-73C1-4465-B931-117BFB8EBB02\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.0.12\",\"matchCriteriaId\":\"D6D56E90-F3EE-413D-B3E2-B518932F0C7D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"E7E331DA-1FB0-4DEC-91AC-7DA69D461C11\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"17F0B248-42CF-4AE6-A469-BB1BAE7F4705\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"E2422816-0C14-4B5E-A1E6-A9D776E5C49B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"1C6E00FE-5FB9-4D20-A1A1-5A32128F9B76\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.1:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"35B26BE4-43A6-4A36-A7F6-5B3F572D9186\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.1:rc6:*:*:*:*:*:*\",\"matchCriteriaId\":\"3FFFB0B3-930D-408A-91E2-BAE0C2715D80\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/01d7c41eac9129fba80d8aed0060caab4a7dbe09\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/044da1a371a0da579e805e89c96865f62d8f6f69\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3c98e91be6aea4c7acf09da6eb0c107ea9186bb5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/588ae4fdd8b11788a797776b10d6c44ae12bc133\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/89840b12c8fad7200eb6478525c13261512c01be\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8eb912af525042a7365295eb62f6d5270c2a6462\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f4b930a1602b05e77fee31f9616599b25e910a86\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f7e942b5bb35d8e3af54053d19a6bf04143a3955\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T14:25:42+00:00",
      "cve": "CVE-2022-49033",
      "id": "CVE-2022-49033",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_affected": "28",
      "product_status:known_not_affected": "170",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49033.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-02T02:06:10Z",
      "cve": "CVE-2022-49033",
      "id": "CVE-2022-49033",
      "initial_release_date": "2024-10-22T14:21:46Z",
      "product_status:known_affected": "718",
      "product_status:known_not_affected": "48",
      "product_status:recommended": "150",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-49033",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-49033.json",
      "version": "44"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-49033\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-22T13:10:58.830375Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-22T13:11:01.908Z\"}}], \"cna\": {\"title\": \"btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"e8c8541ac379709db8d2339e1cb720469fc2cd8f\", \"lessThan\": \"89840b12c8fad7200eb6478525c13261512c01be\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e8c8541ac379709db8d2339e1cb720469fc2cd8f\", \"lessThan\": \"3c98e91be6aea4c7acf09da6eb0c107ea9186bb5\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e8c8541ac379709db8d2339e1cb720469fc2cd8f\", \"lessThan\": \"f4b930a1602b05e77fee31f9616599b25e910a86\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e8c8541ac379709db8d2339e1cb720469fc2cd8f\", \"lessThan\": \"8eb912af525042a7365295eb62f6d5270c2a6462\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e8c8541ac379709db8d2339e1cb720469fc2cd8f\", \"lessThan\": \"01d7c41eac9129fba80d8aed0060caab4a7dbe09\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e8c8541ac379709db8d2339e1cb720469fc2cd8f\", \"lessThan\": \"044da1a371a0da579e805e89c96865f62d8f6f69\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e8c8541ac379709db8d2339e1cb720469fc2cd8f\", \"lessThan\": \"588ae4fdd8b11788a797776b10d6c44ae12bc133\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e8c8541ac379709db8d2339e1cb720469fc2cd8f\", \"lessThan\": \"f7e942b5bb35d8e3af54053d19a6bf04143a3955\", \"versionType\": \"git\"}], \"programFiles\": [\"fs/btrfs/qgroup.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.1\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.1\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.9.335\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.9.*\"}, {\"status\": \"unaffected\", \"version\": \"4.14.301\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.14.*\"}, {\"status\": \"unaffected\", \"version\": \"4.19.268\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.226\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.158\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.82\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.0.12\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.0.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"fs/btrfs/qgroup.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/89840b12c8fad7200eb6478525c13261512c01be\"}, {\"url\": \"https://git.kernel.org/stable/c/3c98e91be6aea4c7acf09da6eb0c107ea9186bb5\"}, {\"url\": \"https://git.kernel.org/stable/c/f4b930a1602b05e77fee31f9616599b25e910a86\"}, {\"url\": \"https://git.kernel.org/stable/c/8eb912af525042a7365295eb62f6d5270c2a6462\"}, {\"url\": \"https://git.kernel.org/stable/c/01d7c41eac9129fba80d8aed0060caab4a7dbe09\"}, {\"url\": \"https://git.kernel.org/stable/c/044da1a371a0da579e805e89c96865f62d8f6f69\"}, {\"url\": \"https://git.kernel.org/stable/c/588ae4fdd8b11788a797776b10d6c44ae12bc133\"}, {\"url\": \"https://git.kernel.org/stable/c/f7e942b5bb35d8e3af54053d19a6bf04143a3955\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nbtrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()\\n\\nSyzkaller reported BUG as follows:\\n\\n  BUG: sleeping function called from invalid context at\\n       include/linux/sched/mm.h:274\\n  Call Trace:\\n   \u003cTASK\u003e\\n   dump_stack_lvl+0xcd/0x134\\n   __might_resched.cold+0x222/0x26b\\n   kmem_cache_alloc+0x2e7/0x3c0\\n   update_qgroup_limit_item+0xe1/0x390\\n   btrfs_qgroup_inherit+0x147b/0x1ee0\\n   create_subvol+0x4eb/0x1710\\n   btrfs_mksubvol+0xfe5/0x13f0\\n   __btrfs_ioctl_snap_create+0x2b0/0x430\\n   btrfs_ioctl_snap_create_v2+0x25a/0x520\\n   btrfs_ioctl+0x2a1c/0x5ce0\\n   __x64_sys_ioctl+0x193/0x200\\n   do_syscall_64+0x35/0x80\\n\\nFix this by calling qgroup_dirty() on @dstqgroup, and update limit item in\\nbtrfs_run_qgroups() later outside of the spinlock context.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.9.335\", \"versionStartIncluding\": \"4.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.14.301\", \"versionStartIncluding\": \"4.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.268\", \"versionStartIncluding\": \"4.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.226\", \"versionStartIncluding\": \"4.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.158\", \"versionStartIncluding\": \"4.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.82\", \"versionStartIncluding\": \"4.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.0.12\", \"versionStartIncluding\": \"4.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1\", \"versionStartIncluding\": \"4.1\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-12-23T13:21:33.615Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-49033\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-12-23T13:21:33.615Z\", \"dateReserved\": \"2024-08-22T01:27:53.653Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-10-21T20:06:36.566Z\", \"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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.