CVE-2026-43168
MediumSummary
A vulnerability has been identified in the Linux kernel related to the ocfs2 filesystem, concerning the incorrect handling of the 'last' pointer in the context of preserving xattr entries. This issue has been partially addressed, but bugs still exist in the cleanup process.
Risk Assessment
Organizations may be exposed to data integrity issues in the ocfs2 filesystem, potentially leading to data loss or corruption.
Recommendation
It is recommended to update the Linux kernel to the latest version to mitigate this vulnerability and to monitor the ocfs2 filesystem for irregularities.
Original NVD description (English source)
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