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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2026-98970

drm/vc4: Free the BO cache size list on teardownCVE-2026-98970

Answer in brief

CVE-2026-98970 records a Unknown severity vulnerability in drm/vc4: Free the BO cache size list on teardown. 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 Oct 23, 2026Updated Oct 23, 2026Source checked Oct 25, 2026First seen by HOL Oct 23, 2026Material review Oct 23, 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>=c826a6e1064419f78855463cf29ce9e8b9d25bf4 <bf2848e50bd73782c2942ec023b5b60231f16e9b || >=c826a6e1064419f78855463cf29ce9e8b9d25bf4 <035ad1bc964f6698e9b06c26ffe94bcac08dadea || >=c826a6e1064419f78855463cf29ce9e8b9d25bf4 <bea10b84e22efa22b005e8dba1a19df4e04a7649 || >=c826a6e1064419f78855463cf29ce9e8b9d25bf4 <40870a0290cd913c9d94f98ed87ebe00dd091e53 || >=c826a6e1064419f78855463cf29ce9e8b9d25bf4 <b41ff8b529278216cba22a5dcdc93fea2a3a9619bf2848e50bd73782c2942ec023b5b60231f16e9b, 035ad1bc964f6698e9b06c26ffe94bcac08dadea, bea10b84e22efa22b005e8dba1a19df4e04a7649, 40870a0290cd913c9d94f98ed87ebe00dd091e53, b41ff8b529278216cba22a5dcdc93fea2a3a9619
Linux/Linuxgeneric4.5Not 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 bf2848e50bd73782c2942ec023b5b60231f16e9b if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 23, 2026

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

  2. Source modified

    Oct 23, 2026

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

  3. First seen by HOL

    Oct 23, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • 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: drm/vc4: Free the BO cache size list on teardown vc4_bo_cache_destroy() purges the cached BOs but never frees the size list, leaking it on every unbind.

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
Oct 25, 2026
References
5 linked sources
Open source record