AUGUST 4, 2026
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Case File

CVE-2021-20265

MEDIUM · CVSS 5.5 EPSS 0.34%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-03-10 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.5. It affects Linux.

CVE
CVE-2021-20265
Severity
MEDIUM
CVSS
5.5
EPSS
0.34%
Linux

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)