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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2021-4154
HistoryFeb 04, 2022 - 11:15 p.m.

CVE-2021-4154

2022-02-0423:15:12
Debian Security Bug Tracker
security-tracker.debian.org
25

0.0004 Low

EPSS

Percentile

5.2%

A use-after-free flaw was found in cgroup1_parse_param in kernel/cgroup/cgroup-v1.c in the Linux kernel’s cgroup v1 parser. A local attacker with a user privilege could cause a privilege escalation by exploiting the fsconfig syscall parameter leading to a container breakout and a denial of service on the system.