CVE-2026-43168

MEDIUM

ocfs2: fix reflink preserve cleanup issue

Title source: cna
STIX 2.1

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.

Scores

CVSS v3 5.5
EPSS 0.0012
EPSS Percentile 2.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (26)
linux/Kernel 2.6.32 - 5.10.252linux
linux/Kernel 5.11.0 - 5.15.202linux
linux/Kernel 5.16.0 - 6.1.165linux
linux/Kernel 6.13.0 - 6.18.16linux
linux/Kernel 6.19.0 - 6.19.6linux
linux/Kernel 6.2.0 - 6.6.128linux
linux/Kernel 6.7.0 - 6.12.75linux
Linux/Linux < 2.6.32
Linux/Linux 0fe9b66c65f3ff227da45381afe7612f91e32740 - 02acc9f72365e50eb45a56b7dacb9114ca3b503c
Linux/Linux 0fe9b66c65f3ff227da45381afe7612f91e32740 - 2f4daccd9d9b8b2952df7878df8c2e8ba6439398
... and 16 more
Published May 06, 2026
Tracked Since May 06, 2026