CVE-2022-49033
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2022
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()
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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| e8c8541ac379709db8d2339e1cb720469fc2cd8f | affected | git | 89840b12c8fad7200eb6478525c13261512c01be | Unavailable | None listed |
| e8c8541ac379709db8d2339e1cb720469fc2cd8f | affected | git | 3c98e91be6aea4c7acf09da6eb0c107ea9186bb5 | Unavailable | None listed |
| e8c8541ac379709db8d2339e1cb720469fc2cd8f | affected | git | f4b930a1602b05e77fee31f9616599b25e910a86 | Unavailable | None listed |
| e8c8541ac379709db8d2339e1cb720469fc2cd8f | affected | git | 8eb912af525042a7365295eb62f6d5270c2a6462 | Unavailable | None listed |
| e8c8541ac379709db8d2339e1cb720469fc2cd8f | affected | git | 01d7c41eac9129fba80d8aed0060caab4a7dbe09 | Unavailable | None listed |
| e8c8541ac379709db8d2339e1cb720469fc2cd8f | affected | git | 044da1a371a0da579e805e89c96865f62d8f6f69 | Unavailable | None listed |
| e8c8541ac379709db8d2339e1cb720469fc2cd8f | affected | git | 588ae4fdd8b11788a797776b10d6c44ae12bc133 | Unavailable | None listed |
| e8c8541ac379709db8d2339e1cb720469fc2cd8f | affected | git | f7e942b5bb35d8e3af54053d19a6bf04143a3955 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 4.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 4.1 | Unavailable | None listed |
| 4.9.335 | unaffected | semver | Unavailable | 4.9.* | None listed |
| 4.14.301 | unaffected | semver | Unavailable | 4.14.* | None listed |
| 4.19.268 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.226 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.158 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.82 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.0.12 | unaffected | semver | Unavailable | 6.0.* | None listed |
| 6.1 | unaffected | original_commit_for_fix | Unavailable | * | None listed |