Ubuntu Security Notice USN-5938-1

Ubuntu Security Notice 5938-1 - It was discovered that the Upper Level Protocol subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Davide Ornaghi discovered that the netfilter subsystem in the Linux kernel did not properly handle VLAN headers in some situations. A local attacker could use this to cause …

code denial of service free headers kernel linux linux kernel local netfilter notice protocol protocols security security notice service sockets state subsystem ubuntu use-after-free usn vlan vulnerability