CVE-2021-4218

MediumCVSS 5.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 24, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-4218: Medium severity, CVSS 5.5 | Vulnix