-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis:          Important: kpatch-patch security update
Advisory ID:       RHSA-2021:3768-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:3768
Issue date:        2021-10-12
CVE Names:         CVE-2021-22543 CVE-2021-37576 
=====================================================================

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 (v. 7) - 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: powerpc: KVM guest OS users can cause host OS memory corruption
(CVE-2021-37576)

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/):

1965461 - CVE-2021-22543 kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks
1986506 - CVE-2021-37576 kernel: powerpc: KVM guest OS users can cause host OS memory corruption

6. Package List:

Red Hat Enterprise Linux Server (v. 7):

Source:
kpatch-patch-3_10_0-1160_11_1-1-9.el7.src.rpm
kpatch-patch-3_10_0-1160_15_2-1-9.el7.src.rpm
kpatch-patch-3_10_0-1160_21_1-1-7.el7.src.rpm
kpatch-patch-3_10_0-1160_24_1-1-5.el7.src.rpm
kpatch-patch-3_10_0-1160_25_1-1-5.el7.src.rpm
kpatch-patch-3_10_0-1160_2_1-1-10.el7.src.rpm
kpatch-patch-3_10_0-1160_2_2-1-10.el7.src.rpm
kpatch-patch-3_10_0-1160_31_1-1-4.el7.src.rpm
kpatch-patch-3_10_0-1160_36_2-1-3.el7.src.rpm
kpatch-patch-3_10_0-1160_41_1-1-2.el7.src.rpm
kpatch-patch-3_10_0-1160_42_2-1-1.el7.src.rpm
kpatch-patch-3_10_0-1160_6_1-1-10.el7.src.rpm

ppc64le:
kpatch-patch-3_10_0-1160_11_1-1-9.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_11_1-debuginfo-1-9.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_15_2-1-9.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_15_2-debuginfo-1-9.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_21_1-1-7.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_21_1-debuginfo-1-7.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_24_1-1-5.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_24_1-debuginfo-1-5.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_25_1-1-5.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_25_1-debuginfo-1-5.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_2_1-1-10.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_2_1-debuginfo-1-10.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_2_2-1-10.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_2_2-debuginfo-1-10.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_31_1-1-4.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_31_1-debuginfo-1-4.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_36_2-1-3.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_36_2-debuginfo-1-3.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_41_1-1-2.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_41_1-debuginfo-1-2.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_42_2-1-1.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_42_2-debuginfo-1-1.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_6_1-1-10.el7.ppc64le.rpm
kpatch-patch-3_10_0-1160_6_1-debuginfo-1-10.el7.ppc64le.rpm

x86_64:
kpatch-patch-3_10_0-1160_11_1-1-9.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_11_1-debuginfo-1-9.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_15_2-1-9.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_15_2-debuginfo-1-9.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_21_1-1-7.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_21_1-debuginfo-1-7.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_24_1-1-5.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_24_1-debuginfo-1-5.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_25_1-1-5.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_25_1-debuginfo-1-5.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_2_1-1-10.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_2_1-debuginfo-1-10.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_2_2-1-10.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_2_2-debuginfo-1-10.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_31_1-1-4.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_31_1-debuginfo-1-4.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_36_2-1-3.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_36_2-debuginfo-1-3.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_41_1-1-2.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_41_1-debuginfo-1-2.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_42_2-1-1.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_42_2-debuginfo-1-1.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_6_1-1-10.el7.x86_64.rpm
kpatch-patch-3_10_0-1160_6_1-debuginfo-1-10.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-2021-22543
https://access.redhat.com/security/cve/CVE-2021-37576
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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=fDMI
-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
[email protected]
https://listman.redhat.com/mailman/listinfo/rhsa-announce