SB2026062543 - Improper resource shutdown or release in Linux kernel ath ath11k driver

Description

This security bulletin contains information about 1 vulnerability.

1) Improper resource shutdown or release (CVE-ID: CVE-2026-53113)

CWE-ID: CWE-404 - Improper Resource Shutdown or Release

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to improper resource shutdown or release in ath11k beacon template setup functions when handling error paths during beacon template setup. A local user can trigger error conditions in beacon template setup to cause a denial of service.

The issue affects the ath11k driver code paths in ath11k_mac_setup_bcn_tmpl_ema() and ath11k_mac_setup_bcn_tmpl_mbssid().

Remediation

Install update from vendor's website.

References

• https://git.kernel.org/stable/c/5d63aa38d5ca85206d9699ffdd616b58780dba07
• https://git.kernel.org/stable/c/ff49eba595df500e4ddccc593088c8a4ab5f2c27