Alerts This Week
Warning Icon 1 681
Alerts This Week
Warning Icon 1 681

Red Hat Enterprise 7.6: RHSA-2022-6432 Important Kernel Security Update

Calendar Sep 13, 2022 • User Avatar LinuxSecurity Advisories
5 - 10 min read
Redhat Large Esm H500
Topics%20covered

Topics Covered

security advisory Red Hat privilege escalation bug fix important race condition kernel
An update for kernel is now available for Red Hat Enterprise Linux 7.6 Advanced Update Support, Red Hat Enterprise Linux 7.6 Telco Extended Update Support, and Red Hat Enterprise Linux 7.6 Update Services for SAP Solutions. 
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

====================================================================                   Red Hat Security Advisory

Synopsis:          Important: kernel security and bug fix update
Advisory ID:       RHSA-2022:6432-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:6432
Issue date:        2022-09-13
CVE Names:         CVE-2022-1729 
====================================================================
1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 7.6
Advanced Update Support, Red Hat Enterprise Linux 7.6 Telco Extended Update
Support, and Red Hat Enterprise Linux 7.6 Update Services for SAP
Solutions.

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 AUS (v. 7.6) - noarch, x86_64
Red Hat Enterprise Linux Server E4S (v. 7.6) - noarch, ppc64le, x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 7.6) - x86_64
Red Hat Enterprise Linux Server Optional E4S (v. 7.6) - ppc64le, x86_64
Red Hat Enterprise Linux Server Optional TUS (v. 7.6) - x86_64
Red Hat Enterprise Linux Server TUS (v. 7.6) - noarch, x86_64

3. Description:

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

Security Fix(es):

* kernel: race condition in perf_event_open leads to privilege escalation
(CVE-2022-1729)

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.

Bug Fix(es):

* Posix ACL object is leaked in several places upon setattr and fsetxattr
syscalls (BZ#2106587)

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/):

2086753 - CVE-2022-1729 kernel: race condition in perf_event_open leads to privilege escalation

6. Package List:

Red Hat Enterprise Linux Server AUS (v. 7.6):

Source:
kernel-3.10.0-957.97.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-957.97.1.el7.noarch.rpm
kernel-doc-3.10.0-957.97.1.el7.noarch.rpm

x86_64:
bpftool-3.10.0-957.97.1.el7.x86_64.rpm
kernel-3.10.0-957.97.1.el7.x86_64.rpm
kernel-debug-3.10.0-957.97.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.97.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.97.1.el7.x86_64.rpm
kernel-devel-3.10.0-957.97.1.el7.x86_64.rpm
kernel-headers-3.10.0-957.97.1.el7.x86_64.rpm
kernel-tools-3.10.0-957.97.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.97.1.el7.x86_64.rpm
perf-3.10.0-957.97.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
python-perf-3.10.0-957.97.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server E4S (v. 7.6):

Source:
kernel-3.10.0-957.97.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-957.97.1.el7.noarch.rpm
kernel-doc-3.10.0-957.97.1.el7.noarch.rpm

ppc64le:
kernel-3.10.0-957.97.1.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-957.97.1.el7.ppc64le.rpm
kernel-debug-3.10.0-957.97.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-957.97.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-957.97.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-957.97.1.el7.ppc64le.rpm
kernel-devel-3.10.0-957.97.1.el7.ppc64le.rpm
kernel-headers-3.10.0-957.97.1.el7.ppc64le.rpm
kernel-tools-3.10.0-957.97.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-957.97.1.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-957.97.1.el7.ppc64le.rpm
perf-3.10.0-957.97.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-957.97.1.el7.ppc64le.rpm
python-perf-3.10.0-957.97.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-957.97.1.el7.ppc64le.rpm

x86_64:
kernel-3.10.0-957.97.1.el7.x86_64.rpm
kernel-debug-3.10.0-957.97.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.97.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.97.1.el7.x86_64.rpm
kernel-devel-3.10.0-957.97.1.el7.x86_64.rpm
kernel-headers-3.10.0-957.97.1.el7.x86_64.rpm
kernel-tools-3.10.0-957.97.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.97.1.el7.x86_64.rpm
perf-3.10.0-957.97.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
python-perf-3.10.0-957.97.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server TUS (v. 7.6):

Source:
kernel-3.10.0-957.97.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-957.97.1.el7.noarch.rpm
kernel-doc-3.10.0-957.97.1.el7.noarch.rpm

x86_64:
bpftool-3.10.0-957.97.1.el7.x86_64.rpm
kernel-3.10.0-957.97.1.el7.x86_64.rpm
kernel-debug-3.10.0-957.97.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.97.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.97.1.el7.x86_64.rpm
kernel-devel-3.10.0-957.97.1.el7.x86_64.rpm
kernel-headers-3.10.0-957.97.1.el7.x86_64.rpm
kernel-tools-3.10.0-957.97.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.97.1.el7.x86_64.rpm
perf-3.10.0-957.97.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
python-perf-3.10.0-957.97.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional AUS (v. 7.6):

x86_64:
kernel-debug-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.97.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.97.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional E4S (v. 7.6):

ppc64le:
kernel-debug-debuginfo-3.10.0-957.97.1.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-957.97.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-957.97.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-957.97.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-957.97.1.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-957.97.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-957.97.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-957.97.1.el7.ppc64le.rpm

x86_64:
kernel-debug-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.97.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.97.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional TUS (v. 7.6):

x86_64:
kernel-debug-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-957.97.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.97.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-957.97.1.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-2022-1729
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.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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mygj
-----END PGP SIGNATURE-----
--
RHSA-announce mailing list
This email address is being protected from spambots. You need JavaScript enabled to view it.

Red Hat Enterprise 7.6: RHSA-2022-6432 Important Kernel Security Update

red hat
Calendar Grey September 13, 2022
Dist Redhat Esm H88
A crucial update for kernel security and bug fixes has been released for Red Hat Enterprise Linux 7.6, targeting critical vulnerabilities.
An update for kernel is now available for Red Hat Enterprise Linux 7.6 Advanced Update Support, Red Hat Enterprise Linux 7.6 Telco Extended Update Support, and Red Hat Enterprise L...

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.

Summary

The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: race condition in perf_event_open leads to privilege escalation (CVE-2022-1729)
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.
Bug Fix(es):
* Posix ACL object is leaked in several places upon setattr and fsetxattr syscalls (BZ#2106587)

Topics%20covered

Topics Covered

security advisory Red Hat privilege escalation bug fix important race condition kernel

References

https://access.redhat.com/security/cve/CVE-2022-1729 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux Server AUS (v. 7.6):
Source: kernel-3.10.0-957.97.1.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-957.97.1.el7.noarch.rpm kernel-doc-3.10.0-957.97.1.el7.noarch.rpm
x86_64: bpftool-3.10.0-957.97.1.el7.x86_64.rpm kernel-3.10.0-957.97.1.el7.x86_64.rpm kernel-debug-3.10.0-957.97.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-957.97.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-957.97.1.el7.x86_64.rpm kernel-devel-3.10.0-957.97.1.el7.x86_64.rpm kernel-headers-3.10.0-957.97.1.el7.x86_64.rpm kernel-tools-3.10.0-957.97.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-957.97.1.el7.x86_64.rpm perf-3.10.0-957.97.1.el7.x86_64.rpm perf-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm python-perf-3.10.0-957.97.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-957.97.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server E4S (v. 7.6):
Source: kernel-3.10.0-957.97.1.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-957.97.1.el7.noarch.rpm kernel-doc-3.10.0-957.97.1.el7.noarch.rpm
ppc64le: kernel-3.10.0-957.97.1.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-957.97.1.el7.ppc64le.rpm kernel-debug-3.10.0-957.97.1.el7.ppc64le.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:6432-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:6432
Issue date: 2022-09-13

Topic

An update for kernel is now available for Red Hat Enterprise Linux 7.6Advanced Update Support, Red Hat Enterprise Linux 7.6 Telco Extended UpdateSupport, and Red Hat Enterprise Linux 7.6 Update Services for SAPSolutions.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat privilege escalation bug fix important race condition kernel

Relevant Releases Architectures

Red Hat Enterprise Linux Server AUS (v. 7.6) - noarch, x86_64

Red Hat Enterprise Linux Server E4S (v. 7.6) - noarch, ppc64le, x86_64

Red Hat Enterprise Linux Server Optional AUS (v. 7.6) - x86_64

Red Hat Enterprise Linux Server Optional E4S (v. 7.6) - ppc64le, x86_64

Red Hat Enterprise Linux Server Optional TUS (v. 7.6) - x86_64

Red Hat Enterprise Linux Server TUS (v. 7.6) - noarch, x86_64

Bugs Fixed

2086753 - CVE-2022-1729 kernel: race condition in perf_event_open leads to privilege escalation

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here