CVE-2022-49033

Advisory lineage Upstream: 0 Downstream: 7
Analyzed
Published: 21 Oct 2024, 20:06
Last modified:11 May 2026, 18:51

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.01% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

21 Oct 2024, 20:06
Published
Vulnerability first disclosed
11 May 2026, 18:51
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.01%• Percentile: 2%

Affected Systems

  • linux•linux

    ≥ e8c8541ac379709db8d2339e1cb720469fc2cd8f, < 89840b12c8fad7200eb6478525c13261512c01be | ≥ e8c8541ac379709db8d2339e1cb720469fc2cd8f, < 3c98e91be6aea4c7acf09da6eb0c107ea9186bb5 | ≥ e8c8541ac379709db8d2339e1cb720469fc2cd8f, < f4b930a1602b05e77fee31f9616599b25e910a86 | ≥ e8c8541ac379709db8d2339e1cb720469fc2cd8f, < 8eb912af525042a7365295eb62f6d5270c2a6462 | ≥ e8c8541ac379709db8d2339e1cb720469fc2cd8f, < 01d7c41eac9129fba80d8aed0060caab4a7dbe09 | ≥ e8c8541ac379709db8d2339e1cb720469fc2cd8f, < 044da1a371a0da579e805e89c96865f62d8f6f69 | ≥ e8c8541ac379709db8d2339e1cb720469fc2cd8f, < 588ae4fdd8b11788a797776b10d6c44ae12bc133 | ≥ e8c8541ac379709db8d2339e1cb720469fc2cd8f, < f7e942b5bb35d8e3af54053d19a6bf04143a3955 | 4.1

  • linux•linux_kernel

    < 4.14.301 | ≥ 4.15, < 4.19.268 | ≥ 4.20, < 5.4.226 | ≥ 5.5, < 5.10.158 | ≥ 5.11, < 5.15.82 | ≥ 5.16, < 6.0.12 | 6.1:rc1 | 6.1:rc2 | 6.1:rc3 | 6.1:rc4 | 6.1:rc5 | 6.1:rc6

References (8)