Severity: Unknown
Affected Package: kernel
Summary: Jail escape via race between ".." lookup and remount
Due to a race condition between lookup of ".." and remounting a file system, a jailed process with superuser privileges and the allow.mount permission could access the filesystem hierarchy outside of the jail, gaining read and write access to files and directories on the host.
No specific recommendations provided.
Aliases: CVE-2020-25584
Published: April 06, 2021
Last Modified: April 06, 2021