CVE-2023-54062
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2023
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
ext4: fix invalid free tracking in ext4_xattr_move_to_block()
In the Linux kernel, the following vulnerability has been resolved: ext4: fix invalid free tracking in ext4_xattr_move_to_block() In ext4_xattr_move_to_block(), the value of the extended attribute which we need to move to an external block may be allocated by kvmalloc() if the value is stored in an external inode. So at the end of the function the code tried to check if this was the case by testing entry->e_value_inum. However, at this point, the pointer to the xattr entry is no longer valid, because it was removed from the original location where it had been stored. So we could end up calling kvfree() on a pointer which was not allocated by kvmalloc(); or we could also potentially leak memory by not freeing the buffer when it should be freed. Fix this by storing whether it should be freed in a separate variable.
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) |
|---|---|---|---|---|---|
| c7851208abffe5ae4deb01cf48763911dc14fc67 | affected | git | 76887be2a96193cd11be818551b8934ecdb3123f | Unavailable | None listed |
| f5cdc6a7339f250d44d4d469ed7a474ac0d6c7a7 | affected | git | f30f3391d089dc91aef91d08f4b04a6c0df2b067 | Unavailable | None listed |
| 3b28c799a1334adb5a19f42f03abe0d8cbb05938 | affected | git | ba04d6af5ac440a6d5a2d35dc1d8e2cb0323550a | Unavailable | None listed |
| d738789ae9ec47d3458a008788f3cdc862ebf0cb | affected | git | 1a8822343e67432b658145d2760a524c884da9d4 | Unavailable | None listed |
| a6744e14ce7045ab1a728bde9595f62fbd39f1d2 | affected | git | 8beaa3cb293a8f7bacf711cf52201d59859dbc40 | Unavailable | None listed |
| 8b6d06b3be7648b3b0f428558293ddf6e2cb94bf | affected | git | c5fa4eedddd1c8342ce533cb401c0e693e55b4e3 | Unavailable | None listed |
| d2efaf8c870c7067b8d1779773134f3481cd8f68 | affected | git | a18670395e5f28acddeca037c5e4bd2ea961b70a | Unavailable | None listed |
| 1e9d62d252812575ded7c620d8fc67c32ff06c16 | affected | git | b2fab1807d26acd1c6115b95b5eddd697d84751b | Unavailable | None listed |
| 1e9d62d252812575ded7c620d8fc67c32ff06c16 | affected | git | b87c7cdf2bed4928b899e1ce91ef0d147017ba45 | Unavailable | None listed |
| 4.14.308 | affected | semver | 4.14.315 | Unavailable | None listed |
| 4.19.276 | affected | semver | 4.19.283 | Unavailable | None listed |
| 5.4.235 | affected | semver | 5.4.243 | Unavailable | None listed |
| 5.10.173 | affected | semver | 5.10.180 | Unavailable | None listed |
| 5.15.99 | affected | semver | 5.15.112 | Unavailable | None listed |
| 6.1.16 | affected | semver | 6.1.29 | Unavailable | None listed |
| 6.2.3 | affected | semver | 6.2.16 | 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) |
|---|---|---|---|---|---|
| 6.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 6.3 | Unavailable | None listed |
| 4.14.315 | unaffected | semver | Unavailable | 4.14.* | None listed |
| 4.19.283 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.243 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.180 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.112 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.29 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.2.16 | unaffected | semver | Unavailable | 6.2.* | None listed |
| 6.3.3 | unaffected | semver | Unavailable | 6.3.* | None listed |
| 6.4 | unaffected | original_commit_for_fix | Unavailable | * | None listed |