CVE-2013-4579: The ath9k_htc_set_bssid_mask function in drivers/net/wireless/ath/ath9k/htc_drv_main.c in the Linux kernel...

Security readout for executives and security teams

This issue can weaken MAC address spoofing on affected Linux Wi-Fi systems. A nearby attacker may be able to infer the device's real MAC address despite spoofing, reducing privacy and tracking protections. The source bundle does not indicate code execution, privilege escalation, or confirmed active exploitation. Exposure is most likely on older Linux systems using affected kernels and ath9k_htc-supported Wi-Fi hardware, especially where MAC spoofing is used for privacy. Modern fully patched distributions are less likely to remain exposed, but the bundle does not provide complete affected package ranges. Treat as a targeted privacy and tracking risk, not an emergency infrastructure compromise. Prioritize patching if the organization uses old Linux Wi-Fi endpoints, privacy-sensitive wireless operations, or devices that depend on MAC spoofing. Mitigation focus: Apply vendor-provided Linux kernel security updates for affected distributions.; Review the referenced Ubuntu security notices for applicable kernel packages.; Do not rely on MAC spoofing for privacy on unpatched ath9k_htc systems..

Prepared

Jun 14, 2026, 15:13 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.