CVE-2021-4154 | Linux Kernel cgroup v1 Parser cgroup-v1.c cgroup1_parse_param syscall use after free (Bug 2034514 / Nessus ID 248388)
A vulnerability, which was classified as critical, was found in Linux Kernel. Affected is the function cgroup1_parse_param of the file kernel/cgroup/cgroup-v1.c of the component cgroup v1 Parser. The manipulation of the argument syscall leads to use after free.
This vulnerability is traded as CVE-2021-4154. It is possible to launch the attack remotely. There is no exploit available.
It is recommended to apply a patch to fix this issue.