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  4. CVE 2026 64155 wifi ath11k fix error path leaks in some wmi wow
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Back to active CVEs
Medium · CVSS 5.5CVE-2026-64155

wifi: ath11k: fix error path leaks in some WMI WOW callsCVE-2026-64155

Answer in brief

CVE-2026-64155 records a Medium severity (CVSS 5.5) vulnerability in wifi: ath11k: fix error path leaks in some WMI WOW calls. 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 Jul 19, 2026Updated Nov 6, 2026Source checked Nov 6, 2026First seen by HOL Aug 18, 2026Material review Nov 6, 2026
Upstream Advisory

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-401
Source
CVE List V5
Source checked
Nov 6, 2026
References
7 linked sources
Open source record

Key facts

Risk
Medium · CVSS 5.5
Exploitation
Not marked as known exploited
Affected software
7 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 5.5. 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.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:linux:linux_kernel:7.1:rc4:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=79802b13a492d0fdeb922e98628e5ff1a8b74026 <d6c7b8d0dc22c0a8743435db8f42d98524b70df3 || >=79802b13a492d0fdeb922e98628e5ff1a8b74026 <cd43d587dd333517c806cd24696e6e1a26b9951e || >=79802b13a492d0fdeb922e98628e5ff1a8b74026 <3d675896ea03aca631852a2a7e91e6cb8f664967 || >=79802b13a492d0fdeb922e98628e5ff1a8b74026 <008955b1348452de25bc19d6e0f0f673d4cb9a3c || >=79802b13a492d0fdeb922e98628e5ff1a8b74026 <acde4692afcdaea6de3e2996ddfaeaa7ae6b0130 || >=79802b13a492d0fdeb922e98628e5ff1a8b74026 <d618d322b95c80d5ad7091f35a7193e4050dcc27 || >=79802b13a492d0fdeb922e98628e5ff1a8b74026 <55dda532bbc261aef495e403c8900c5e2ab5fa34d6c7b8d0dc22c0a8743435db8f42d98524b70df3, cd43d587dd333517c806cd24696e6e1a26b9951e, 3d675896ea03aca631852a2a7e91e6cb8f664967, 008955b1348452de25bc19d6e0f0f673d4cb9a3c, acde4692afcdaea6de3e2996ddfaeaa7ae6b0130, d618d322b95c80d5ad7091f35a7193e4050dcc27, 55dda532bbc261aef495e403c8900c5e2ab5fa34
Linux/Linuxgeneric5.11Not 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 d6c7b8d0dc22c0a8743435db8f42d98524b70df3 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Jul 19, 2026

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

  2. Source modified

    Nov 6, 2026

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

  3. First seen by HOL

    Aug 18, 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
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix error path leaks in some WMI WOW calls Fix two instances where we used to directly return the result of ath11k_wmi_cmd_send(...). Because we did not check the return value, we also did not free the skb in the error path.

Quoted source text, attributed separately from HOL analysis.