CVE-2021-20265

MediumCVSS 5.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-400 CWE-401

Affected software

No affected versions have been published.

Timeline

Published: Mar 10, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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