CVE-2026-97552: linux
Vulnerability summary
CVE-2026-97552 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.3% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 6 · Related 6Timeline
- 25-09-2026PublishedVulnerability first disclosed.
- 19-10-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
Risk metrics not yet published.
EPSS trend
Probability
0.20%
Chance of exploitation in the next 30 days
Percentile
9%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu142 products
- linuxAll versions (No fix recorded)
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded)
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian2 products
- linux< 6.12.111-1 | < 7.2.7-1
- linux-6.12< 6.12.111-1~deb12u1
Linux1 product
- linux≥ 3f3cec031099c37513727efc978a12b6346e326d, < 30748a24b9f04f9a83599ba907cc8fbff0729f3c | ≥ 3f3cec031099c37513727efc978a12b6346e326d, < ba949a14446b7346e92e676ee3fe2bb79d9ce450 | ≥ 3f3cec031099c37513727efc978a12b6346e326d, < 6b507c239884f7d4bf8339f6e9eb8bfcb540afde | ≥ 3f3cec031099c37513727efc978a12b6346e326d, < 6176d21d7bd609632c5b7e87a3adb9be29ec1e72 | 6.8
3 vendors · 145 products