kernel: race condition between chown() and execve()

A race condition flaw was found between the chown and execve system calls. When changing the owner of a setuid user binary to root, the race condition could momentarily make the binary setuid root. A local, unprivileged user could potentially use this flaw to escalate their privileges on the syst...

USN-2599-2 linux-lts-utopic vulnerability

USN-2599-1 fixed vulnerabilities in the Linux kernel, however an unrelated regression in the auditing of some path names was introduced. Due to the regression the system could crash under certain conditions. This update fixes the problem. We apologize for the inconvenience. Original advisory...

USN-2598-2 linux vulnerability

USN-2598-1 fixed vulnerabilities in the Linux kernel, however an unrelated regression in the auditing of some path names was introduced. Due to the regression the system could crash under certain conditions. This update fixes the problem. We apologize for the inconvenience. Original advisory...