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.
Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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| Source | ID | Title |
|---|---|---|
Debian DSA |
DSA-6126-1 | linux security update |
Ubuntu USN |
USN-8177-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8177-2 | Linux kernel (Real-time) vulnerabilities |
Ubuntu USN |
USN-8183-1 | Linux kernel (GCP) vulnerabilities |
Ubuntu USN |
USN-8183-2 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8245-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8257-1 | Linux kernel (Raspberry Pi) vulnerabilities |
Thu, 15 Jan 2026 12:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
| |
| Metrics |
threat_severity
|
cvssV3_1
|
Tue, 13 Jan 2026 15:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | xfs: fix a UAF problem in xattr repair | |
| First Time appeared |
Linux
Linux linux Kernel |
|
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Linux
Linux linux Kernel |
|
| References |
|
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-05-11T21:53:17.447Z
Reserved: 2025-12-24T10:30:51.036Z
Link: CVE-2025-68784
No data.
Status : Deferred
Published: 2026-01-13T16:15:58.117
Modified: 2026-04-15T00:35:42.020
Link: CVE-2025-68784
OpenCVE Enrichment
No data.
No weakness.
Debian DSA
Ubuntu USN