CVE-2025-68784 | xfs: fix a UAF problem in xattr repair

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.

Published: 2026-01-13 Last update: 2026-04-15 Assigner: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Conclusion & alert: CVE-2025-68784 is rated Low Risk (6.3/100): low exploitation likelihood (EPSS 0.17%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-68784

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.02% 0.17% +0.15%
2 2026-01-14 0.02%

Full EPSS history (2 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-68784

CVSS metrics for this CVE.

No CVSS data in dataset for this CVE.

Weakness enumeration for CVE-2025-68784

OS Trackers for CVE-2025-68784

vendor priority summary link
debian unimportant CVE-2025-68784 unimportant priority: Debian including 1 source packages (linux), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2025-68784
redhat medium https://access.redhat.com/security/cve/CVE-2025-68784
suse medium CVE-2025-68784 severity moderate: SUSE including 109 source package names (13.2-9.1:libsqlite3-0-3.49.1-1.1, 2.1.3-6.31:libsqlite3-0-3.49.1-1.1, …), 407 product×package rows across 64 product lines (Container suse/sl-micro/6.0/baremetal-os-container, Container suse/sl-micro/6.0/base-os-container, … (64 product lines)): Known Not Affected 217, Fixed 165, First Fixed 25. https://www.suse.com/security/cve/CVE-2025-68784/
ubuntu medium CVE-2025-68784 medium priority: Ubuntu including 157 source packages (linux, linux-allwinner-5.19, …), 1405 status rows across 9 suites (bionic, focal, jammy, noble, plucky, questing, trusty, upstream, xenial): DNE 1010, ignored 179, not-affected 112, released 88, pending 11, needed 5. https://ubuntu.com/security/CVE-2025-68784

Affected software / configurations for CVE-2025-68784

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2025-68784

cvelogic Threat Intelligence