CVE-2022-49053
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)
scsi: target: tcmu: Fix possible page UAF
In the Linux kernel, the following vulnerability has been resolved: scsi: target: tcmu: Fix possible page UAF tcmu_try_get_data_page() looks up pages under cmdr_lock, but it does not take refcount properly and just returns page pointer. When tcmu_try_get_data_page() returns, the returned page may have been freed by tcmu_blocks_release(). We need to get_page() under cmdr_lock to avoid concurrent tcmu_blocks_release().
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) |
|---|---|---|---|---|---|
| 141685a39151aea95eb56562d2953e919c6c73da | affected | git | d7c5d79e50be6e06b669141e3db1f977a0dd4e8e | Unavailable | None listed |
| 141685a39151aea95eb56562d2953e919c6c73da | affected | git | e3e0e067d5b34e4a68e3cc55f8eebc413f56f8ed | Unavailable | None listed |
| 141685a39151aea95eb56562d2953e919c6c73da | affected | git | fb7a5115422fbd6a4d505e8844f1ef5529f10489 | Unavailable | None listed |
| 141685a39151aea95eb56562d2953e919c6c73da | affected | git | aec36b98a1bbaa84bfd8299a306e4c12314af626 | Unavailable | None listed |
| 141685a39151aea95eb56562d2953e919c6c73da | affected | git | b7f3b5d70c834f49f7d87a2f2ed1c6284d9a0322 | Unavailable | None listed |
| 141685a39151aea95eb56562d2953e919c6c73da | affected | git | a9564d84ed9f6ee71017d062d0d2182154294a4b | Unavailable | None listed |
| 141685a39151aea95eb56562d2953e919c6c73da | affected | git | a6968f7a367f128d120447360734344d5a3d5336 | 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 |
| 4.14.276 | unaffected | semver | Unavailable | 4.14.* | None listed |
| 4.19.239 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.190 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.112 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.35 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 5.17.4 | unaffected | semver | Unavailable | 5.17.* | None listed |
| 5.18 | unaffected | original_commit_for_fix | Unavailable | * | None listed |