CVE-2025-68784: xfs: fix a UAF problem in xattr repair
Vulnerability summary
CVE-2025-68784 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 9.7% of scored vulnerabilities.
No CVSS vector published; no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 11 · Related 11Timeline
- 13-01-2026PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: xfs: fix a UAF problem in xattr repair The xchk_setup_xattr_buf function can allocate a new value buffer, which means that any reference to ab->value before the call could become a dangling pointer. Fix this by moving an assignment to after the buffer setup.
CVSS metrics
Risk metrics not yet published.
EPSS trend
Probability
0.20%
Chance of exploitation in the next 30 days
Percentile
10%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.19% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: not stated in public data.
Ubuntu107 products
- linux< 6.17.0-22.22
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 6.17.0-1012.12
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linux< 6.12.69-1 | < 6.18.3-1
Linux1 product
- linux≥ e47dcf113ae348678143cc935a1183059c02c9ad, < 1e2d3aa19c7962b9474b22893160cb460494c45f | ≥ e47dcf113ae348678143cc935a1183059c02c9ad, < d29ed9ff972afe17c215cab171761d7a15d7063f | ≥ e47dcf113ae348678143cc935a1183059c02c9ad, < 5990fd756943836978ad184aac980e2b36ab7e01 | 6.10
3 vendors · 109 products
