CVE-2021-20265 - CVE House
Back to Database
Status published Medium CVE-2021-20265

A flaw was found in the way memory resources were...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-20265

Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

kernel
Vulnerable Versions:
Linux kernel 4.5-rc3

Timeline

Official Publish: March 10th, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)