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Case File

CVE-2021-4218

MEDIUM · CVSS 5.5 EPSS 0.30%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-08-24 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.5. It affects Linux. It may lead to a denial-of-service condition.

CVE
CVE-2021-4218
Severity
MEDIUM
CVSS
5.5
EPSS
0.30%
Linux

Original NVD Description

A flaw was found in the Linux kernel’s implementation of reading the SVC RDMA counters. Reading the counter sysctl panics the system. This flaw allows a local attacker with local access to cause a denial of service while the system reboots. The issue is specific to CentOS/RHEL.

Related CVEs

Other vulnerabilities affecting the same vendor(s)