CVE-2021-4218

medium

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.

References

https://bugzilla.redhat.com/show_bug.cgi?id=2048359

https://bugs.centos.org/view.php?id=18395

https://access.redhat.com/security/cve/CVE-2021-4218

Details

Source: Mitre, NVD

Published: 2022-08-24

Updated: 2023-11-07

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium