RedHat: RHSA-2023-0187:01 Moderate: kernel security update | LinuxS...
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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: kernel security update
Advisory ID:       RHSA-2023:0187-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:0187
Issue date:        2023-01-17
CVE Names:         CVE-2021-26401 
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 6
Extended Lifecycle Support.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 (v. 6 ELS) - i386, noarch, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6 ELS) - i386, s390x, x86_64

3. Description:

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

Security Fix(es):

* hw: cpu: LFENCE/JMP Mitigation Update for CVE-2017-5715 (CVE-2021-26401)

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

The system must be rebooted for this update to take effect.

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

2061700 - CVE-2021-26401 hw: cpu: LFENCE/JMP Mitigation Update for CVE-2017-5715

6. Package List:

Red Hat Enterprise Linux Server (v. 6 ELS):

Source:
kernel-2.6.32-754.49.1.el6.src.rpm

i386:
kernel-2.6.32-754.49.1.el6.i686.rpm
kernel-debug-2.6.32-754.49.1.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-754.49.1.el6.i686.rpm
kernel-debug-devel-2.6.32-754.49.1.el6.i686.rpm
kernel-debuginfo-2.6.32-754.49.1.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-754.49.1.el6.i686.rpm
kernel-devel-2.6.32-754.49.1.el6.i686.rpm
kernel-headers-2.6.32-754.49.1.el6.i686.rpm
perf-2.6.32-754.49.1.el6.i686.rpm
perf-debuginfo-2.6.32-754.49.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.49.1.el6.i686.rpm

noarch:
kernel-abi-whitelists-2.6.32-754.49.1.el6.noarch.rpm
kernel-doc-2.6.32-754.49.1.el6.noarch.rpm
kernel-firmware-2.6.32-754.49.1.el6.noarch.rpm

s390x:
kernel-2.6.32-754.49.1.el6.s390x.rpm
kernel-debug-2.6.32-754.49.1.el6.s390x.rpm
kernel-debug-debuginfo-2.6.32-754.49.1.el6.s390x.rpm
kernel-debug-devel-2.6.32-754.49.1.el6.s390x.rpm
kernel-debuginfo-2.6.32-754.49.1.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-754.49.1.el6.s390x.rpm
kernel-devel-2.6.32-754.49.1.el6.s390x.rpm
kernel-headers-2.6.32-754.49.1.el6.s390x.rpm
kernel-kdump-2.6.32-754.49.1.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-754.49.1.el6.s390x.rpm
kernel-kdump-devel-2.6.32-754.49.1.el6.s390x.rpm
perf-2.6.32-754.49.1.el6.s390x.rpm
perf-debuginfo-2.6.32-754.49.1.el6.s390x.rpm
python-perf-debuginfo-2.6.32-754.49.1.el6.s390x.rpm

x86_64:
kernel-2.6.32-754.49.1.el6.x86_64.rpm
kernel-debug-2.6.32-754.49.1.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-754.49.1.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-754.49.1.el6.x86_64.rpm
kernel-debug-devel-2.6.32-754.49.1.el6.i686.rpm
kernel-debug-devel-2.6.32-754.49.1.el6.x86_64.rpm
kernel-debuginfo-2.6.32-754.49.1.el6.i686.rpm
kernel-debuginfo-2.6.32-754.49.1.el6.x86_64.rpm
kernel-debuginfo-common-i686-2.6.32-754.49.1.el6.i686.rpm
kernel-debuginfo-common-x86_64-2.6.32-754.49.1.el6.x86_64.rpm
kernel-devel-2.6.32-754.49.1.el6.x86_64.rpm
kernel-headers-2.6.32-754.49.1.el6.x86_64.rpm
perf-2.6.32-754.49.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-754.49.1.el6.i686.rpm
perf-debuginfo-2.6.32-754.49.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-754.49.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.49.1.el6.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6 ELS):

i386:
kernel-debug-debuginfo-2.6.32-754.49.1.el6.i686.rpm
kernel-debuginfo-2.6.32-754.49.1.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-754.49.1.el6.i686.rpm
perf-debuginfo-2.6.32-754.49.1.el6.i686.rpm
python-perf-2.6.32-754.49.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.49.1.el6.i686.rpm

s390x:
kernel-debug-debuginfo-2.6.32-754.49.1.el6.s390x.rpm
kernel-debuginfo-2.6.32-754.49.1.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-754.49.1.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-754.49.1.el6.s390x.rpm
perf-debuginfo-2.6.32-754.49.1.el6.s390x.rpm
python-perf-2.6.32-754.49.1.el6.s390x.rpm
python-perf-debuginfo-2.6.32-754.49.1.el6.s390x.rpm

x86_64:
kernel-debug-debuginfo-2.6.32-754.49.1.el6.x86_64.rpm
kernel-debuginfo-2.6.32-754.49.1.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-754.49.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-754.49.1.el6.x86_64.rpm
python-perf-2.6.32-754.49.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-754.49.1.el6.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-2021-26401
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2023 Red Hat, Inc.
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RedHat: RHSA-2023-0187:01 Moderate: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 6 Extended Lifecycle Support

Summary

The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* hw: cpu: LFENCE/JMP Mitigation Update for CVE-2017-5715 (CVE-2021-26401)
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.

Solution

For details on how to apply this update, which includes the changesdescribed in this advisory, refer to:https://access.redhat.com/articles/11258The system must be rebooted for this update to take effect.

References

https://access.redhat.com/security/cve/CVE-2021-26401 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Enterprise Linux Server (v. 6 ELS):
Source: kernel-2.6.32-754.49.1.el6.src.rpm
i386: kernel-2.6.32-754.49.1.el6.i686.rpm kernel-debug-2.6.32-754.49.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-754.49.1.el6.i686.rpm kernel-debug-devel-2.6.32-754.49.1.el6.i686.rpm kernel-debuginfo-2.6.32-754.49.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-754.49.1.el6.i686.rpm kernel-devel-2.6.32-754.49.1.el6.i686.rpm kernel-headers-2.6.32-754.49.1.el6.i686.rpm perf-2.6.32-754.49.1.el6.i686.rpm perf-debuginfo-2.6.32-754.49.1.el6.i686.rpm python-perf-debuginfo-2.6.32-754.49.1.el6.i686.rpm
noarch: kernel-abi-whitelists-2.6.32-754.49.1.el6.noarch.rpm kernel-doc-2.6.32-754.49.1.el6.noarch.rpm kernel-firmware-2.6.32-754.49.1.el6.noarch.rpm
s390x: kernel-2.6.32-754.49.1.el6.s390x.rpm kernel-debug-2.6.32-754.49.1.el6.s390x.rpm kernel-debug-debuginfo-2.6.32-754.49.1.el6.s390x.rpm kernel-debug-devel-2.6.32-754.49.1.el6.s390x.rpm kernel-debuginfo-2.6.32-754.49.1.el6.s390x.rpm kernel-debuginfo-common-s390x-2.6.32-754.49.1.el6.s390x.rpm kernel-devel-2.6.32-754.49.1.el6.s390x.rpm kernel-headers-2.6.32-754.49.1.el6.s390x.rpm kernel-kdump-2.6.32-754.49.1.el6.s390x.rpm kernel-kdump-debuginfo-2.6.32-754.49.1.el6.s390x.rpm kernel-kdump-devel-2.6.32-754.49.1.el6.s390x.rpm perf-2.6.32-754.49.1.el6.s390x.rpm perf-debuginfo-2.6.32-754.49.1.el6.s390x.rpm python-perf-debuginfo-2.6.32-754.49.1.el6.s390x.rpm
x86_64: kernel-2.6.32-754.49.1.el6.x86_64.rpm kernel-debug-2.6.32-754.49.1.el6.x86_64.rpm kernel-debug-debuginfo-2.6.32-754.49.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-754.49.1.el6.x86_64.rpm kernel-debug-devel-2.6.32-754.49.1.el6.i686.rpm kernel-debug-devel-2.6.32-754.49.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-754.49.1.el6.i686.rpm kernel-debuginfo-2.6.32-754.49.1.el6.x86_64.rpm kernel-debuginfo-common-i686-2.6.32-754.49.1.el6.i686.rpm kernel-debuginfo-common-x86_64-2.6.32-754.49.1.el6.x86_64.rpm kernel-devel-2.6.32-754.49.1.el6.x86_64.rpm kernel-headers-2.6.32-754.49.1.el6.x86_64.rpm perf-2.6.32-754.49.1.el6.x86_64.rpm perf-debuginfo-2.6.32-754.49.1.el6.i686.rpm perf-debuginfo-2.6.32-754.49.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-754.49.1.el6.i686.rpm python-perf-debuginfo-2.6.32-754.49.1.el6.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6 ELS):
i386: kernel-debug-debuginfo-2.6.32-754.49.1.el6.i686.rpm kernel-debuginfo-2.6.32-754.49.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-754.49.1.el6.i686.rpm perf-debuginfo-2.6.32-754.49.1.el6.i686.rpm python-perf-2.6.32-754.49.1.el6.i686.rpm python-perf-debuginfo-2.6.32-754.49.1.el6.i686.rpm
s390x: kernel-debug-debuginfo-2.6.32-754.49.1.el6.s390x.rpm kernel-debuginfo-2.6.32-754.49.1.el6.s390x.rpm kernel-debuginfo-common-s390x-2.6.32-754.49.1.el6.s390x.rpm kernel-kdump-debuginfo-2.6.32-754.49.1.el6.s390x.rpm perf-debuginfo-2.6.32-754.49.1.el6.s390x.rpm python-perf-2.6.32-754.49.1.el6.s390x.rpm python-perf-debuginfo-2.6.32-754.49.1.el6.s390x.rpm
x86_64: kernel-debug-debuginfo-2.6.32-754.49.1.el6.x86_64.rpm kernel-debuginfo-2.6.32-754.49.1.el6.x86_64.rpm kernel-debuginfo-common-x86_64-2.6.32-754.49.1.el6.x86_64.rpm perf-debuginfo-2.6.32-754.49.1.el6.x86_64.rpm python-perf-2.6.32-754.49.1.el6.x86_64.rpm python-perf-debuginfo-2.6.32-754.49.1.el6.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/

Severity
Advisory ID: RHSA-2023:0187-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0187
Issued Date: : 2023-01-17
CVE Names: CVE-2021-26401

Topic

An update for kernel is now available for Red Hat Enterprise Linux 6Extended Lifecycle Support.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Relevant Releases Architectures

Red Hat Enterprise Linux Server (v. 6 ELS) - i386, noarch, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 6 ELS) - i386, s390x, x86_64

Bugs Fixed

2061700 - CVE-2021-26401 hw: cpu: LFENCE/JMP Mitigation Update for CVE-2017-5715

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