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

Vulnerability from cvelistv5 – Published: 2024-10-21 20:06 – Updated: 2025-12-23 13:21
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.
Assigner
References
Impacted products
Vendor Product Version
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)
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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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