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RedHat: RHSA-2021-1173:01 Important: kpatch-patch security update

Date 13 Apr 2021
146
Posted By LinuxSecurity Advisories
An update is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score,
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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: kpatch-patch security update
Advisory ID:       RHSA-2021:1173-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:1173
Issue date:        2021-04-13
CVE Names:         CVE-2021-27364 CVE-2021-27365 
=====================================================================

1. Summary:

An update is now available for Red Hat Enterprise Linux 8.1 Extended Update
Support.

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 BaseOS EUS (v. 8.1) - 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: out-of-bounds read in libiscsi module (CVE-2021-27364)

* kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365)

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:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1930078 - CVE-2021-27365 kernel: heap buffer overflow in the iSCSI subsystem
1930080 - CVE-2021-27364 kernel: out-of-bounds read in libiscsi module

6. Package List:

Red Hat Enterprise Linux BaseOS EUS (v. 8.1):

Source:
kpatch-patch-4_18_0-147_13_2-1-9.el8_1.src.rpm
kpatch-patch-4_18_0-147_20_1-1-8.el8_1.src.rpm
kpatch-patch-4_18_0-147_24_2-1-6.el8_1.src.rpm
kpatch-patch-4_18_0-147_27_1-1-6.el8_1.src.rpm
kpatch-patch-4_18_0-147_32_1-1-4.el8_1.src.rpm
kpatch-patch-4_18_0-147_34_1-1-4.el8_1.src.rpm
kpatch-patch-4_18_0-147_38_1-1-3.el8_1.src.rpm
kpatch-patch-4_18_0-147_43_1-1-1.el8_1.src.rpm

ppc64le:
kpatch-patch-4_18_0-147_13_2-1-9.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_13_2-debuginfo-1-9.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_13_2-debugsource-1-9.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_20_1-1-8.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_20_1-debuginfo-1-8.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_20_1-debugsource-1-8.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_24_2-1-6.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_24_2-debuginfo-1-6.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_24_2-debugsource-1-6.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_27_1-1-6.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_27_1-debuginfo-1-6.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_27_1-debugsource-1-6.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_32_1-1-4.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_32_1-debuginfo-1-4.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_32_1-debugsource-1-4.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_34_1-1-4.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_34_1-debuginfo-1-4.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_34_1-debugsource-1-4.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_38_1-1-3.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_38_1-debuginfo-1-3.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_38_1-debugsource-1-3.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_43_1-1-1.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_43_1-debuginfo-1-1.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_43_1-debugsource-1-1.el8_1.ppc64le.rpm

x86_64:
kpatch-patch-4_18_0-147_13_2-1-9.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_13_2-debuginfo-1-9.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_13_2-debugsource-1-9.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_20_1-1-8.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_20_1-debuginfo-1-8.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_20_1-debugsource-1-8.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_24_2-1-6.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_24_2-debuginfo-1-6.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_24_2-debugsource-1-6.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_27_1-1-6.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_27_1-debuginfo-1-6.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_27_1-debugsource-1-6.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_32_1-1-4.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_32_1-debuginfo-1-4.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_32_1-debugsource-1-4.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_34_1-1-4.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_34_1-debuginfo-1-4.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_34_1-debugsource-1-4.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_38_1-1-3.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_38_1-debuginfo-1-3.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_38_1-debugsource-1-3.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_43_1-1-1.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_43_1-debuginfo-1-1.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_43_1-debugsource-1-1.el8_1.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-2021-27364
https://access.redhat.com/security/cve/CVE-2021-27365
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 2021 Red Hat, Inc.
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