SB2026050214 - Improper access control in Linux kernel mac80211
Published: May 2, 2026
Security Bulletin ID
SB2026050214
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper access control (CVE-ID: CVE-2026-43052)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 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
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.
Remediation
Install update from vendor's website.