Alerts This Week
Warning Icon 1 646
Alerts This Week
Warning Icon 1 646

Red Hat Enterprise Linux 8.1: RHSA-2021-3181-01 Important Kpatch Patch

Redhat Large Esm H500
An update for kpatch-patch 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,
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis:          Important: kpatch-patch security update
Advisory ID:       RHSA-2021:3181-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:3181
Issue date:        2021-08-17
CVE Names:         CVE-2021-22543 CVE-2021-22555 CVE-2021-32399 
====================================================================
1. Summary:

An update for kpatch-patch 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: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO
checks (CVE-2021-22543)

* kernel: out-of-bounds write in xt_compat_target_from_user() in
net/netfilter/x_tables.c (CVE-2021-22555)

* kernel: race condition for removal of the HCI controller (CVE-2021-32399)

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/):

1965461 - CVE-2021-22543 kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks
1970807 - CVE-2021-32399 kernel: race condition for removal of the HCI controller
1980101 - CVE-2021-22555 kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c

6. Package List:

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

Source:
kpatch-patch-4_18_0-147_27_1-1-12.el8_1.src.rpm
kpatch-patch-4_18_0-147_32_1-1-10.el8_1.src.rpm
kpatch-patch-4_18_0-147_34_1-1-10.el8_1.src.rpm
kpatch-patch-4_18_0-147_38_1-1-9.el8_1.src.rpm
kpatch-patch-4_18_0-147_43_1-1-7.el8_1.src.rpm
kpatch-patch-4_18_0-147_44_1-1-6.el8_1.src.rpm
kpatch-patch-4_18_0-147_48_1-1-3.el8_1.src.rpm
kpatch-patch-4_18_0-147_51_1-1-2.el8_1.src.rpm
kpatch-patch-4_18_0-147_51_2-1-1.el8_1.src.rpm

ppc64le:
kpatch-patch-4_18_0-147_27_1-1-12.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_27_1-debuginfo-1-12.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_27_1-debugsource-1-12.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_32_1-1-10.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_32_1-debuginfo-1-10.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_32_1-debugsource-1-10.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_34_1-1-10.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_34_1-debuginfo-1-10.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_34_1-debugsource-1-10.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_38_1-1-9.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_38_1-debuginfo-1-9.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_38_1-debugsource-1-9.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_43_1-1-7.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_43_1-debuginfo-1-7.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_43_1-debugsource-1-7.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_44_1-1-6.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_44_1-debuginfo-1-6.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_44_1-debugsource-1-6.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_48_1-1-3.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_48_1-debuginfo-1-3.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_48_1-debugsource-1-3.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_51_1-1-2.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_51_1-debuginfo-1-2.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_51_1-debugsource-1-2.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_51_2-1-1.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_51_2-debuginfo-1-1.el8_1.ppc64le.rpm
kpatch-patch-4_18_0-147_51_2-debugsource-1-1.el8_1.ppc64le.rpm

x86_64:
kpatch-patch-4_18_0-147_27_1-1-12.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_27_1-debuginfo-1-12.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_27_1-debugsource-1-12.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_32_1-1-10.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_32_1-debuginfo-1-10.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_32_1-debugsource-1-10.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_34_1-1-10.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_34_1-debuginfo-1-10.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_34_1-debugsource-1-10.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_38_1-1-9.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_38_1-debuginfo-1-9.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_38_1-debugsource-1-9.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_43_1-1-7.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_43_1-debuginfo-1-7.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_43_1-debugsource-1-7.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_44_1-1-6.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_44_1-debuginfo-1-6.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_44_1-debugsource-1-6.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_48_1-1-3.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_48_1-debuginfo-1-3.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_48_1-debugsource-1-3.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_51_1-1-2.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_51_1-debuginfo-1-2.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_51_1-debugsource-1-2.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_51_2-1-1.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_51_2-debuginfo-1-1.el8_1.x86_64.rpm
kpatch-patch-4_18_0-147_51_2-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-2021-22543
https://access.redhat.com/security/cve/CVE-2021-22555
https://access.redhat.com/security/cve/CVE-2021-32399
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.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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Oygy
-----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 Linux 8.1: RHSA-2021-3181-01 Important Kpatch Patch

red hat
Calendar Grey August 17, 2021
Dist Redhat Esm H88
Keep informed about the kpatch-patch security update for Red Hat Enterprise Linux. Key advisory information included!
An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.1 Extended Update Support

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

Summary

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: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks (CVE-2021-22543)
* kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c (CVE-2021-22555)
* kernel: race condition for removal of the HCI controller (CVE-2021-32399)
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.

References

https://access.redhat.com/security/cve/CVE-2021-22543 https://access.redhat.com/security/cve/CVE-2021-22555 https://access.redhat.com/security/cve/CVE-2021-32399 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux BaseOS EUS (v. 8.1):
Source: kpatch-patch-4_18_0-147_27_1-1-12.el8_1.src.rpm kpatch-patch-4_18_0-147_32_1-1-10.el8_1.src.rpm kpatch-patch-4_18_0-147_34_1-1-10.el8_1.src.rpm kpatch-patch-4_18_0-147_38_1-1-9.el8_1.src.rpm kpatch-patch-4_18_0-147_43_1-1-7.el8_1.src.rpm kpatch-patch-4_18_0-147_44_1-1-6.el8_1.src.rpm kpatch-patch-4_18_0-147_48_1-1-3.el8_1.src.rpm kpatch-patch-4_18_0-147_51_1-1-2.el8_1.src.rpm kpatch-patch-4_18_0-147_51_2-1-1.el8_1.src.rpm
ppc64le: kpatch-patch-4_18_0-147_27_1-1-12.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_27_1-debuginfo-1-12.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_27_1-debugsource-1-12.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_32_1-1-10.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_32_1-debuginfo-1-10.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_32_1-debugsource-1-10.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_34_1-1-10.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_34_1-debuginfo-1-10.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_34_1-debugsource-1-10.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_38_1-1-9.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_38_1-debuginfo-1-9.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_38_1-debugsource-1-9.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_43_1-1-7.el8_1.ppc64le.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:3181-01
Product: Red Hat Enterprise Linux
Issue date: 2021-08-17

Topic

An update for kpatch-patch is now available for Red Hat Enterprise Linux8.1 Extended Update Support.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.

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS EUS (v. 8.1) - ppc64le, x86_64

Bugs Fixed

1965461 - CVE-2021-22543 kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks

1970807 - CVE-2021-32399 kernel: race condition for removal of the HCI controller

1980101 - CVE-2021-22555 kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c

Get the latest News and Insights

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

Your message here