CVE-2020-27418

A use-after-free vulnerability was found in the vgacon_invert_region in drivers/video/console/vgacon.c in the low-level VGA-based console driver in the Linux kernel. This flaw allows a local privileged attacker to crash the system due to a missing sanity check, causing a denial of service.

Mitigation

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.