What is RHSA-2021:5241?

RHSA-2021:5241 is a security advisory published by Red Hat Product Security with Medium severity. Red Hat Security Advisory: kernel-rt security and bug fix update

Which CVE IDs does RHSA-2021:5241 cover?

RHSA-2021:5241 covers the following CVE IDs: CVE-2021-20321. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2021:5241?

RHSA-2021:5241 has a CVSS v3 base score of 5.5, published by Red Hat Product Security.

RHSA-2021:5241MediumCVSS 5.5

Red Hat Security Advisory: kernel-rt security and bug fix update

Vendor

Red Hat Product Security

Published

December 21, 2021

Last Modified

June 25, 2026

🔗 CVE IDs covered (1)

CVE-2021-20321 →

📋 Description

CVE-2021-20321 — kernel: In Overlayfs missing a check for a negative dentry before calling vfs_rename()

🔗 References (4)

selfhttps://access.redhat.com/errata/RHSA-2021:5241
externalhttps://access.redhat.com/security/updates/classification/#moderate
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2013242
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_5241.json