A kpatch-patch security update has been released for Red Hat Enterprise Linux 7.
RHSA-2022:2211-01: Important: kpatch-patch security update
=====================================================================
Red Hat Security Advisory
Synopsis: Important: kpatch-patch security update
Advisory ID: RHSA-2022:2211-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:2211
Issue date: 2022-05-11
CVE Names: CVE-2021-4028 CVE-2022-0492
=====================================================================
1. Summary:
An update for kpatch-patch is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Server E4S (v. 7.6) - ppc64le, x86_64
3. Description:
This is a kernel live patch module which is automatically loaded by the RPM
post-install script to modify the code of a running kernel.
Security Fix(es):
* kernel: use-after-free in RDMA listen() (CVE-2021-4028)
* kernel: cgroups v1 release_agent feature may allow privilege escalation
(CVE-2022-0492)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
4. Solution:
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed ( https://bugzilla.redhat.com/):
2027201 - CVE-2021-4028 kernel: use-after-free in RDMA listen()
2051505 - CVE-2022-0492 kernel: cgroups v1 release_agent feature may allow privilege escalation
6. Package List:
Red Hat Enterprise Linux Server E4S (v. 7.6):
Source:
kpatch-patch-3_10_0-957_72_1-1-7.el7.src.rpm
kpatch-patch-3_10_0-957_76_1-1-7.el7.src.rpm
kpatch-patch-3_10_0-957_78_2-1-6.el7.src.rpm
kpatch-patch-3_10_0-957_80_1-1-5.el7.src.rpm
kpatch-patch-3_10_0-957_84_1-1-4.el7.src.rpm
kpatch-patch-3_10_0-957_86_1-1-3.el7.src.rpm
kpatch-patch-3_10_0-957_88_1-1-2.el7.src.rpm
kpatch-patch-3_10_0-957_92_1-1-1.el7.src.rpm
ppc64le:
kpatch-patch-3_10_0-957_72_1-1-7.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_72_1-debuginfo-1-7.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_76_1-1-7.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_76_1-debuginfo-1-7.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_78_2-1-6.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_78_2-debuginfo-1-6.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_80_1-1-5.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_80_1-debuginfo-1-5.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_84_1-1-4.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_84_1-debuginfo-1-4.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_86_1-1-3.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_86_1-debuginfo-1-3.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_88_1-1-2.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_88_1-debuginfo-1-2.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_92_1-1-1.el7.ppc64le.rpm
kpatch-patch-3_10_0-957_92_1-debuginfo-1-1.el7.ppc64le.rpm
x86_64:
kpatch-patch-3_10_0-957_72_1-1-7.el7.x86_64.rpm
kpatch-patch-3_10_0-957_72_1-debuginfo-1-7.el7.x86_64.rpm
kpatch-patch-3_10_0-957_76_1-1-7.el7.x86_64.rpm
kpatch-patch-3_10_0-957_76_1-debuginfo-1-7.el7.x86_64.rpm
kpatch-patch-3_10_0-957_78_2-1-6.el7.x86_64.rpm
kpatch-patch-3_10_0-957_78_2-debuginfo-1-6.el7.x86_64.rpm
kpatch-patch-3_10_0-957_80_1-1-5.el7.x86_64.rpm
kpatch-patch-3_10_0-957_80_1-debuginfo-1-5.el7.x86_64.rpm
kpatch-patch-3_10_0-957_84_1-1-4.el7.x86_64.rpm
kpatch-patch-3_10_0-957_84_1-debuginfo-1-4.el7.x86_64.rpm
kpatch-patch-3_10_0-957_86_1-1-3.el7.x86_64.rpm
kpatch-patch-3_10_0-957_86_1-debuginfo-1-3.el7.x86_64.rpm
kpatch-patch-3_10_0-957_88_1-1-2.el7.x86_64.rpm
kpatch-patch-3_10_0-957_88_1-debuginfo-1-2.el7.x86_64.rpm
kpatch-patch-3_10_0-957_92_1-1-1.el7.x86_64.rpm
kpatch-patch-3_10_0-957_92_1-debuginfo-1-1.el7.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2021-4028
https://access.redhat.com/security/cve/CVE-2022-0492
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2022 Red Hat, Inc.
