CVE-2020-12114

Name of the Vulnerable Software and Affected Versions Linux kernel versions 4.4.x through 4.4.220 Linux kernel versions 4.9.x through 4.9.220 Linux kernel versions 4.14.x through 4.14.177 Linux kernel versions 4.19.x through 4.19.118 Linux kernel versions 5.x through 5.2

Description A pivot root race condition in the Linux kernel's fs/namespace.c allows local users to cause a denial of service by corrupting a mountpoint reference counter, potentially leading to a system panic. This issue is related to synchronization errors when using shared resources.

Recommendations For Linux kernel version 4.4.x, update to version 4.4.221 or later. For Linux kernel version 4.9.x, update to version 4.9.221 or later. For Linux kernel version 4.14.x, update to version 4.14.178 or later. For Linux kernel version 4.19.x, update to version 4.19.119 or later. For Linux kernel version 5.x, update to version 5.3 or later.