CVE-2021-28951

MEDIUM · CVSS 5.5 EPSS 0.28%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-03-20 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE

CVE-2021-28951

Severity

MEDIUM

CVSS

5.5

EPSS

0.28%

Linux

Original NVD Description

An issue was discovered in fs/io_uring.c in the Linux kernel through 5.11.8. It allows attackers to cause a denial of service (deadlock) because exit may be waiting to park a SQPOLL thread, but concurrently that SQPOLL thread is waiting for a signal to start, aka CID-3ebba796fa25.