VDB

DEBIAN-CVE-2021-4154

DEBIAN-CVE-2021-4154 PUBLISHED CVSS 8.800000190734863 HIGH

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.

Risk Scores

CVSS 3.1
8.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected Products

VendorProductVersions
Debian:12linux0
Debian:13linux0
Debian:14linux0

Timeline

  • Feb 4, 2022 CVE Published
  • Oct 23, 2026 CVE Updated
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