A Local Privilege Escalation vulnerability (from any user to root) was found in polkit's pkexec, a SUID-root program that is installed by default on every major Linux distribution.

A flaw memory leak in the Linux kernel performance monitoring subsystem was found in the way if using PERFEVENTIOCSETFILTER. A local user could use this flaw to starve the resources causing denial of service.

In Vim before 8.1.0881, users can circumvent the rvim restricted mode and execute arbitrary OS commands via scripting interfaces (e.g., Python, Ruby, or Lua).