CVE-2026-64155: Linux kernel · wifi: ath11k: fix error path leaks in some WMI WOW calls
Affects Linux kernelSource CVE Database V5
Not known to be exploited · fixed in d618d322b95c80d5ad7091f35a7193e4050dcc27 : update Linux kernel when convenient.
Data as of 6 Nov 2026, 17:03 UTC
Rated Low by Threat Radar's AI analysis · No CVSS score from NVD or the CNA
Thin evidence
One scorer or none- CISA SSVC
- Exploitation
- No evidence of active exploitation and no public proof of concept
- Automatable
- Attackers cannot reliably automate steps 1–4 of the kill chain
- Technical impact
- Limited control over the software or limited information exposure
CISA SSVC assessment, 2026-11-06.
- Patch
- Available – fixed in d618d322b95c80d5ad7091f35a7193e4050dcc27, d6c7b8d0dc22c0a8743435db8f42d98524b70df3, cd43d587dd333517c806cd24696e6e1a26b9951e +4
Exploitation evidence
Disclosed: evidence found.
CVE published 19 Jul 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 6 Nov 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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AI-suggested
A fix is available and has been applied in several commits following version 5.11 of the Linux kernel. Users and administrators should update to a Linux kernel version that includes these fixes to remediate the issue.
Description
A vulnerability in the Linux kernel's ath11k WiFi driver was fixed to address error path leaks in some WMI Wake on Wireless (WOW) calls. The issue involved failure to check return values and free memory buffers (skb) properly in error paths, potentially leading to resource leaks. The flaw affects Linux kernel version 5.11 and has been resolved in subsequent commits.
References
- git.kernel.org/stable/c/d6c7b8d0dc22c0a8743435db8f42d98524b70df3 (opens in a new tab)
- git.kernel.org/stable/c/cd43d587dd333517c806cd24696e6e1a26b9951e (opens in a new tab)
- git.kernel.org/stable/c/3d675896ea03aca631852a2a7e91e6cb8f664967 (opens in a new tab)
- git.kernel.org/stable/c/008955b1348452de25bc19d6e0f0f673d4cb9a3c (opens in a new tab)
- git.kernel.org/stable/c/acde4692afcdaea6de3e2996ddfaeaa7ae6b0130 (opens in a new tab)
- git.kernel.org/stable/c/d618d322b95c80d5ad7091f35a7193e4050dcc27 (opens in a new tab)
- git.kernel.org/stable/c/55dda532bbc261aef495e403c8900c5e2ab5fa34 (opens in a new tab)