CVE-2026-43168
Published: May 9, 2026Last modified: May 9, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix reflink preserve cleanup issue commit c06c303832ec ("ocfs2: fix xattr array entry __counted_by error") doesn't handle all cases and the cleanup job for preserved xattr entries still has bug: - the 'last' pointer should be shifted by one unit after cleanup an array entry. - current code logic doesn't cleanup the first entry when xh_count is 1. Note, commit c06c303832ec is also a bug fix for 0fe9b66c65f3.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.167-r0) |
| 25 LTS | linux-lts | Fixed (6.12.80-r0) | |
| Stream | linux-lts | Fixed (6.12.76-r0) |
References
- https://git.kernel.org/stable/c/02acc9f72365e50eb45a56b7dacb9114ca3b503c
- https://git.kernel.org/stable/c/2f4daccd9d9b8b2952df7878df8c2e8ba6439398
- https://git.kernel.org/stable/c/3bdc3766aafb052aef4baadef455a84c1c0a059d
- https://git.kernel.org/stable/c/5138c936c2c82c9be8883921854bc6f7e1177d8c
- https://git.kernel.org/stable/c/8ff329353134280b203cb2bce95311cb8f7cbd8a
- https://git.kernel.org/stable/c/b2952dbeac2c3c527cb0519d5ffaeb95b062466a
- https://git.kernel.org/stable/c/bb273b68c1719c2925e05557f7e7099edb066680
- https://git.kernel.org/stable/c/c44d86ca949cb1e5566ad14510cc26fa1a17e2d8