CVE-2022-49220
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)
dax: make sure inodes are flushed before destroy cache
In the Linux kernel, the following vulnerability has been resolved: dax: make sure inodes are flushed before destroy cache A bug can be triggered by following command $ modprobe nd_pmem && modprobe -r nd_pmem [ 10.060014] BUG dax_cache (Not tainted): Objects remaining in dax_cache on __kmem_cache_shutdown() [ 10.060938] Slab 0x0000000085b729ac objects=9 used=1 fp=0x000000004f5ae469 flags=0x200000000010200(slab|head|node) [ 10.062433] Call Trace: [ 10.062673] dump_stack_lvl+0x34/0x44 [ 10.062865] slab_err+0x90/0xd0 [ 10.063619] __kmem_cache_shutdown+0x13b/0x2f0 [ 10.063848] kmem_cache_destroy+0x4a/0x110 [ 10.064058] __x64_sys_delete_module+0x265/0x300 This is caused by dax_fs_exit() not flushing inodes before destroy cache. To fix this issue, call rcu_barrier() before destroy cache.
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) |
|---|---|---|---|---|---|
| 7b6be8444e0f0dd675b54d059793423d3c9b4c03 | affected | git | 770d42fff12d8595adda9025a0b92091f543e775 | Unavailable | None listed |
| 7b6be8444e0f0dd675b54d059793423d3c9b4c03 | affected | git | ec376f5c11c88c0215d173599db8449cd4196759 | Unavailable | None listed |
| 7b6be8444e0f0dd675b54d059793423d3c9b4c03 | affected | git | e2951eaa9398415ac054b7bd80b8163b6838ead4 | Unavailable | None listed |
| 7b6be8444e0f0dd675b54d059793423d3c9b4c03 | affected | git | f2a1e0eb70c2d954176c07d75d28742bde30e9f3 | Unavailable | None listed |
| 7b6be8444e0f0dd675b54d059793423d3c9b4c03 | affected | git | b786abe7c67c6ef71410c8e23292b3091d616ad1 | Unavailable | None listed |
| 7b6be8444e0f0dd675b54d059793423d3c9b4c03 | affected | git | a7e8de822e0b1979f08767c751f6c8a9c1d4ad86 | 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) |
|---|---|---|---|---|---|
| 4.12 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 4.12 | Unavailable | None listed |
| 5.4.189 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.110 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.33 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 5.16.19 | unaffected | semver | Unavailable | 5.16.* | None listed |
| 5.17.2 | unaffected | semver | Unavailable | 5.17.* | None listed |
| 5.18 | unaffected | original_commit_for_fix | Unavailable | * | None listed |