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.
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2021-10-28T03:36:24

Updated: 2021-11-25T06:06:15

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


Link: CVE-2021-43057

JSON object: View

cve-icon NVD Information

Status : Analyzed

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

Modified: 2023-03-01T20:15:57.537


Link: CVE-2021-43057

JSON object: View

cve-icon Redhat Information

No data.

CWE