CVE-2026-43168

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux0fe9b66c65f3ff227da45381afe7612f91e32740 < c44d86ca949cb1e5566ad14510cc26fa1a17e2d8affected
LinuxLinux0fe9b66c65f3ff227da45381afe7612f91e32740 < 02acc9f72365e50eb45a56b7dacb9114ca3b503caffected
LinuxLinux0fe9b66c65f3ff227da45381afe7612f91e32740 < 8ff329353134280b203cb2bce95311cb8f7cbd8aaffected
LinuxLinux0fe9b66c65f3ff227da45381afe7612f91e32740 < bb273b68c1719c2925e05557f7e7099edb066680affected
LinuxLinux0fe9b66c65f3ff227da45381afe7612f91e32740 < b2952dbeac2c3c527cb0519d5ffaeb95b062466aaffected
LinuxLinux0fe9b66c65f3ff227da45381afe7612f91e32740 < 3bdc3766aafb052aef4baadef455a84c1c0a059daffected
LinuxLinux0fe9b66c65f3ff227da45381afe7612f91e32740 < 2f4daccd9d9b8b2952df7878df8c2e8ba6439398affected
LinuxLinux0fe9b66c65f3ff227da45381afe7612f91e32740 < 5138c936c2c82c9be8883921854bc6f7e1177d8caffected
LinuxLinux2.6.32affected
LinuxLinux0 < 2.6.32unaffected
LinuxLinux5.10.252 <= 5.10.*unaffected
LinuxLinux5.15.202 <= 5.15.*unaffected
LinuxLinux6.1.165 <= 6.1.*unaffected
LinuxLinux6.6.128 <= 6.6.*unaffected
LinuxLinux6.12.75 <= 6.12.*unaffected
LinuxLinux6.18.16 <= 6.18.*unaffected
LinuxLinux6.19.6 <= 6.19.*unaffected
LinuxLinux7.0 <= *unaffected

Weaknesses

References