CVE-2021-43057

State: Published
Severity: Not scored
Published: Oct 28, 2021
Updated: Aug 4, 2024
Reserved: Oct 28, 2021

Description

An issue was discovered in the Linux kernel before 5.14.8. A use-after-free in selinux_ptrace_traceme (aka the SELinux handler for PTRACE_TRACEME) could be used by local attackers to cause memory corruption and escalate privileges, aka CID-a3727a8bac0a. This occurs because of an attempt to access the subjective credentials of another task.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://bugs.chromium.org/p/project-zero/issues/detail?id=2229
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a3727a8bac0a9e77c70820655fd8715523ba3db7
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.8
https://security.netapp.com/advisory/ntap-20211125-0001/

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