CVE-2026-97552
CVE CVE-2026-97552EUVD EUVD-2026-86860Published 2026-09-25T10:21:44.000Z
What the advisory describes
In the Linux kernel, the following vulnerability has been resolved: xfs: initialise error in xfs_defer_finish_one() xfs_defer_finish_one() declares error without an initialiser and only assigns it inside the loop over dfp->dfp_work. When that list is empty the loop body never runs, control falls through to the "Done with the dfp, free it" path, and the function returns an indeterminate value. An item-less pending item reaches this through xfs_defer_add_barrier(), which xfs_reap_ag_blocks() uses on any CONFIG_XFS_ONLINE_REPAIR kernel. xfs_defer_finish_noroll() treats any non-EAGAIN return as fatal, so a non-zero stack value turns a successful barrier into a SHUTDOWN_CORRUPT_INCORE in the middle of a repair. Zero is the correct result: reaching the free path means the item loop drained without a non-zero error.
Source: EUVD (ENISA), in the words of the advisory.
Products the advisory names
These come from the advisory itself, not from any check we performed.
- Linux — Linux patch: 7.3-rc3; 3f3cec031099c37513727efc978a12b6346e326d <ba949a14446b7346e92e676ee3fe2bb79d9ce450; 3f3cec031099c37513727efc978a12b6346e326d <6176d21d7bd609632c5b7e87a3adb9be29ec1e72; patch: 7.2.7; patch: 6.12.111; 3f3cec031099c37513727efc978a12b6346e326d <30748a24b9f04f9a83599ba907cc8fbff0729f3c; patch: 0; patch: 6.18.53; 6.8; 3f3cec031099c37513727efc978a12b6346e326d <6b507c239884f7d4bf8339f6e9eb8bfcb540afde
The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.
Carried in the product catalogue
An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.
- Linux — Linux
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