An issue was discovered in net/wireless/nl80211.c in the Linux kernel through 5.2.17. It does not check the length of variable elements in a beacon head, leading to a buffer overflow.Referenceshttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TASE2ESEZAER6DTZH3DJ4K2JNO46TVL7/https://seclists.org/bugtraq/2019/Nov/11https://usn.ubuntu.com/4183-1/https://usn.ubuntu.com/4186-1/https://usn.ubuntu.com/4209-1/https://usn.ubuntu.com/4210-1/https://lists.debian.org/debian-lts-announce/2020/01/msg00013.htmlhttps://lists.debian.org/debian-lts-announce/2020/03/msg00001.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.htmlhttps://www.oracle.com/security-alerts/cpuApr2021.htmlhttp://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.htmlhttps://marc.info/?l=linux-wireless&m=156901391225058&w=2https://security.netapp.com/advisory/ntap-20191031-0005/
