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  4. CVE 2026 23251 xfs only call xfarrayblobdestroy if we have a
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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2026-23251

xfs: only call xf{array,blob}_destroy if we have a valid pointerCVE-2026-23251

Answer in brief

CVE-2026-23251 records a Unknown severity vulnerability in xfs: only call xf{array,blob}_destroy if we have a valid pointer. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Mar 18, 2026Updated Nov 5, 2026Source checked Nov 5, 2026First seen by HOL Nov 5, 2026Material review Nov 5, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=ab97f4b1c030750f2475bf4da8a9554d02206640 <5de5be3ed7e7fa4ebde4f4b58fb9a629644f9202 || >=ab97f4b1c030750f2475bf4da8a9554d02206640 <c9ccefacae0d8091683447bc338bd7741417039d || >=ab97f4b1c030750f2475bf4da8a9554d02206640 <d827612c81a26cc1dd83a211cfcb5ad8765da0c4 || >=ab97f4b1c030750f2475bf4da8a9554d02206640 <ba408d299a3bb3c5309f40c5326e4fb83ead42475de5be3ed7e7fa4ebde4f4b58fb9a629644f9202, c9ccefacae0d8091683447bc338bd7741417039d, d827612c81a26cc1dd83a211cfcb5ad8765da0c4, ba408d299a3bb3c5309f40c5326e4fb83ead4247
Linux/Linuxgeneric6.10Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to 5de5be3ed7e7fa4ebde4f4b58fb9a629644f9202 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Mar 18, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 5, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: xfs: only call xf{array,blob}_destroy if we have a valid pointer Only call the xfarray and xfblob destructor if we have a valid pointer, and be sure to null out that pointer afterwards. Note that this patch fixes a large number of commits, most of which were merged between 6.9 and 6.10.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Nov 5, 2026
References
4 linked sources
Open source record