CVE-2021-20265

 

Published at: - 10-03-2021 05:15

Last modified: - 05-08-2022 07:52

Total changes: - 5

Description

A flaw was found in the way memory resources were freed in the unix_stream_recvmsg function in the Linux kernel when a signal was pending. This flaw allows an unprivileged local user to crash the system by exhausting available memory. The highest threat from this vulnerability is to system availability.

Common Vulnerability Scoring System (CVSS)

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

 

Verification logic

 

Reference

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fa0dc04df259ba2df3ce1920e9690c7842f8fa4b
• https://bugzilla.redhat.com/show_bug.cgi?id=1908827
• https://www.oracle.com/security-alerts/cpuoct2021.html

 

Keywords

NVD

 

CVE-2021-20265

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures