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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T03:47:13.197Z

Reserved: 2021-10-28T00:00:00

Link: CVE-2021-43057

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-10-28T04:15:08.270

Modified: 2024-11-21T06:28:37.190

Link: CVE-2021-43057

cve-icon Redhat

Severity : Important

Publid Date: 2021-09-23T00:00:00Z

Links: CVE-2021-43057 - Bugzilla

cve-icon OpenCVE Enrichment

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