Medium 5.5Published May 6, 2026

CVE-2026-43168ocfs2: fix reflink preserve cleanup issue

Updated under an hour ago (Oct 28, 2026, 5:10 AM ET)

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Exploited in the last 30 days

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.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 0fe9b66c65f3ff227da45381afe7612f91e32740 before c44d86ca949cb1e5566ad14510cc26fa1a17e2d8; from 0fe9b66c65f3ff227da45381afe7612f91e32740 before 02acc9f72365e50eb45a56b7dacb9114ca3b503c; from 0fe9b66c65f3ff227da45381afe7612f91e32740 before 8ff329353134280b203cb2bce95311cb8f7cbd8a; from 0fe9b66c65f3ff227da45381afe7612f91e32740 before bb273b68c1719c2925e05557f7e7099edb066680; from 0fe9b66c65f3ff227da45381afe7612f91e32740 before b2952dbeac2c3c527cb0519d5ffaeb95b062466a; from 0fe9b66c65f3ff227da45381afe7612f91e32740 before 3bdc3766aafb052aef4baadef455a84c1c0a059d; from 0fe9b66c65f3ff227da45381afe7612f91e32740 before 2f4daccd9d9b8b2952df7878df8c2e8ba6439398; from 0fe9b66c65f3ff227da45381afe7612f91e32740 before 5138c936c2c82c9be8883921854bc6f7e1177d8c	CNA record
linux linux_kernel linux:linux_kernel	from 2.6.32 before 5.10.252; from 5.11 before 5.15.202; from 5.16 before 6.1.165; from 6.2 before 6.6.128; from 6.7 before 6.12.75; from 6.13 before 6.18.16; from 6.19 before 6.19.6	NVD

References

References

https://git.kernel.org/stable/c/c44d86ca949cb1e5566ad14510cc26fa1a17e2d8	patch
https://git.kernel.org/stable/c/02acc9f72365e50eb45a56b7dacb9114ca3b503c	patch
https://git.kernel.org/stable/c/8ff329353134280b203cb2bce95311cb8f7cbd8a	patch
https://git.kernel.org/stable/c/bb273b68c1719c2925e05557f7e7099edb066680	patch
https://git.kernel.org/stable/c/b2952dbeac2c3c527cb0519d5ffaeb95b062466a	patch
https://git.kernel.org/stable/c/3bdc3766aafb052aef4baadef455a84c1c0a059d	patch
https://git.kernel.org/stable/c/2f4daccd9d9b8b2952df7878df8c2e8ba6439398	patch
https://git.kernel.org/stable/c/5138c936c2c82c9be8883921854bc6f7e1177d8c	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.