CVE-2026-93784

A vulnerability exists in the Linux kernel 's cfg80211 component. The function cfg80211_wext_siwgenie() fails to validate the IE buffer stored via SIOCSIWGENIE , leading to an out-of-bounds read in skip_ie() and an integer underflow in memcpy during a subsequent SIOCSIWESSID connection attempt. T...

CVE-2026-93784 wifi: cfg80211: validate IEs in cfg80211_wext_siwgenie()

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: validate IEs in cfg80211wextsiwgenie The KASAN allocation trace shows that a malformed IE buffer is stored via SIOCSIWGENIE cfg80211wextsiwgenie without any validation. The crash trace shows that a subsequent...