Improper access control in Linux kernel - CVE-2026-43052
Published: May 2, 2026
Vulnerability identifier: #VU128863
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-43052
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to cause unintended side effects in wireless configuration.
The vulnerability exists due to improper access control in ieee80211_tdls_oper when handling NL80211_TDLS_ENABLE_LINK operations for non-TDLS stations. A local user can trigger the operation on a non-TDLS station to cause unintended side effects in wireless configuration.
How to mitigate CVE-2026-43052
Install security update from vendor's repository.