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CVE-2021-4154
Published: Feb 4, 2022
Modified: Aug 3, 2024
PUBLISHED
Description
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.
| Vendor | Product | Versions |
|---|---|---|
n/a | kernel | affected Fixed in kernel 5.14 rc2 |
Weaknesses (CWE)
References
https://bugzilla.redhat.com/show_bug.cgi?id=2034514
x_refsource_MISC
https://security.netapp.com/advisory/ntap-20220225-0004/
x_refsource_CONFIRM
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