CVE-2021-43057

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.

Summary:

Reference Links(if available):

https://bugs.chromium.org/p/project-zero/issues/detail?id=2229

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.8

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a3727a8bac0a9e77c70820655fd8715523ba3db7

https://security.netapp.com/advisory/ntap-20211125-0001/

CVSS Score (if available)

v2: / HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

v3: / HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Links to Exploits(if available)

Tags: CVE, CVE-2021-43057, exploit, MISC, vulnerability

CVE-2021-43057

Summary:

Reference Links(if available):

CVSS Score (if available)

Links to Exploits(if available)

[CLOAK] – Ransomware Victim: Ne***********[.]de

[CLOAK] – Ransomware Victim: Fmp[.]gob[.]pe

[CLOAK] – Ransomware Victim: Kai*************[.]de

[QILIN] – Ransomware Victim: Compliance Solutions Inc

[INTERLOCK] – Ransomware Victim: City of Noblesville

Summary:

Reference Links(if available):

CVSS Score (if available)

Links to Exploits(if available)

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[CLOAK] – Ransomware Victim: Ne***********[.]de

[CLOAK] – Ransomware Victim: Fmp[.]gob[.]pe

[CLOAK] – Ransomware Victim: Kai*************[.]de

[QILIN] – Ransomware Victim: Compliance Solutions Inc

[INTERLOCK] – Ransomware Victim: City of Noblesville