CVE-2021-38604

HIGH · CVSS 7.5 EPSS 3.04%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-12 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE

CVE-2021-38604

Severity

HIGH

CVSS

7.5

EPSS

3.04%

Linux

Original NVD Description

In librt in the GNU C Library (aka glibc) through 2.34, sysdeps/unix/sysv/linux/mq_notify.c mishandles certain NOTIFY_REMOVED data, leading to a NULL pointer dereference. NOTE: this vulnerability was introduced as a side effect of the CVE-2021-33574 fix.