CVE-2021-4218

MEDIUM

Linux Kernel - DoS

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 5.5
EPSS 0.0004
EPSS Percentile 13.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-665
Status published
Products (1)
linux/linux_kernel
Published Aug 24, 2022
Tracked Since Feb 18, 2026