CVE-2026-64155

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.

Package Linux Kernel
Published 2026-07-19
Last modified 2026-07-19
Patch available
Yes

Affected versions

Linux kernel versions 5.11 and later are affected. Fixed in 5.15.209, 6.1.175, 6.6.142, 6.12.92, 6.18.34, 7.0.11, 7.1 and their respective stable series.

Affected from
≥ 5.11
Fixed in
✓ 5.15.209 5.15.x ✓ 6.1.175 6.1.x ✓ 6.6.142 6.6.x ✓ 6.12.92 6.12.x ✓ 6.18.34 6.18.x ✓ 7.0.11 7.0.x ✓ 7.1

Frequently asked questions

  • What is CVE-2026-64155?

    CVE-2026-64155 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.11 onward and has been patched in 5.15.209, 6.1.175, 6.6.142 and others. CVE-2026-64155 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2026-64155?

    Yes — CVE-2026-64155 has been patched. Fixed versions include 5.15.209, 6.1.175, 6.6.142 and others. If you are running Linux kernel 5.11 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2026-64155 actively exploited?

    No — CVE-2026-64155 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.