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ReviewHigh

CVE-2026-80531

Linux

In the Linux kernel, the following vulnerability has been resolved: xfs: avoid UAF on sc->tempip in xrep_tempfile_create LOLLM noticed a potential UAF if the tempfile creation code fails after it set sc->tempip. Fix that.

CVSS
7.8
EPSS
-
- percentile
CISA KEV
Not listed
Published
2026.08.27
PRIORITY ASSESSMENT

Review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: xfs: avoid UAF on sc->tempip in xrep_tempfile_create LOLLM noticed a potential UAF if the tempfile creation code fails after it set sc->tempip. Fix that.

Affected product and versions

Product
Linux
Affected versions
>= 84c14ee39dd388d73054181c70b3f42af7ddc238 < 08a20776ce33a2a52d856911e447c59424f0465a, >= 84c14ee39dd388d73054181c70b3f42af7ddc238 < cd1f876d1bc2e94f271e07c606cacd85b109108a, >= 84c14ee39dd388d73054181c70b3f42af7ddc238 < 96246a3200d32a43766152e56bc7ae2d93604d74, >= 84c14ee39dd388d73054181c70b3f42af7ddc238 < 0c88e10d12de9ca7cbed1467bb1b52310101bff8, >= 6.10
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Not available