What is RHSA-2022:0636?

RHSA-2022:0636 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: kernel security and bug fix update

Which CVE IDs does RHSA-2022:0636 cover?

RHSA-2022:0636 covers the following CVE IDs: CVE-2021-0920, CVE-2021-4028, CVE-2021-4155. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2022:0636?

RHSA-2022:0636 has a CVSS v3 base score of 7.4, published by Red Hat Product Security.

RHSA-2022:0636HighCVSS 7.4

Red Hat Security Advisory: kernel security and bug fix update

Vendor

Red Hat Product Security

Published

February 22, 2022

Last Modified

June 25, 2026

🔗 CVE IDs covered (3)

CVE-2021-0920 →CVE-2021-4028 →CVE-2021-4155 →

📋 Description

CVE-2021-0920 — kernel: Use After Free in unix_gc() which could result in a local privilege escalation CVE-2021-4028 — kernel: use-after-free in RDMA listen() CVE-2021-4155 — kernel: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL

🔗 References (6)

selfhttps://access.redhat.com/errata/RHSA-2022:0636
externalhttps://access.redhat.com/security/updates/classification/#important
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2027201
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2031930
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2034813
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2022/rhsa-2022_0636.json