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
| Vendor | Product | Versions |
|---|---|---|
| Debian:12 | linux | 0, 0, 0 |
| Debian:13 | linux | 0, 0, 0 |
| Debian:14 | linux | 0, 0, 0 |
| Debian:11 | linux | 5.10.46-5, 5.10.70-1~bpo10+1, 0 |
Exploit Intelligence
- CVE-2021-4154 exploit (github-poc-repo)
- CVE-2021-4154 (github-poc-repo)
- CVE-2021-4154 (github-poc)
- CVE-2021-4154 exploit (github-poc)
Timeline
- Feb 4, 2022 CVE Published
- Apr 28, 2026 CVE Updated