RHSA-2021:3436: Important: kpatch-patch security update

First published: Tue Sep 07 2021(Updated: )

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.<br>Security Fix(es):<br><li> kernel: powerpc: KVM guest OS users can cause host OS memory corruption (CVE-2021-37576)</li> 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.

Affected Software	Affected Version	How to fix
redhat/kpatch-patch	<4_18_0-305-1-5.el8	4_18_0-305-1-5.el8
redhat/kpatch-patch	<4_18_0-305_10_2-1-2.el8_4	4_18_0-305_10_2-1-2.el8_4
redhat/kpatch-patch	<4_18_0-305_12_1-1-1.el8_4	4_18_0-305_12_1-1-1.el8_4
redhat/kpatch-patch	<4_18_0-305_3_1-1-4.el8_4	4_18_0-305_3_1-1-4.el8_4
redhat/kpatch-patch	<4_18_0-305_7_1-1-3.el8_4	4_18_0-305_7_1-1-3.el8_4
redhat/kpatch-patch	<4_18_0-305-1-5.el8	4_18_0-305-1-5.el8
redhat/kpatch-patch	<4_18_0-305-debuginfo-1-5.el8	4_18_0-305-debuginfo-1-5.el8
redhat/kpatch-patch	<4_18_0-305-debugsource-1-5.el8	4_18_0-305-debugsource-1-5.el8
redhat/kpatch-patch	<4_18_0-305_10_2-1-2.el8_4	4_18_0-305_10_2-1-2.el8_4
redhat/kpatch-patch	<4_18_0-305_10_2-debuginfo-1-2.el8_4	4_18_0-305_10_2-debuginfo-1-2.el8_4
redhat/kpatch-patch	<4_18_0-305_10_2-debugsource-1-2.el8_4	4_18_0-305_10_2-debugsource-1-2.el8_4
redhat/kpatch-patch	<4_18_0-305_12_1-1-1.el8_4	4_18_0-305_12_1-1-1.el8_4
redhat/kpatch-patch	<4_18_0-305_12_1-debuginfo-1-1.el8_4	4_18_0-305_12_1-debuginfo-1-1.el8_4
redhat/kpatch-patch	<4_18_0-305_12_1-debugsource-1-1.el8_4	4_18_0-305_12_1-debugsource-1-1.el8_4
redhat/kpatch-patch	<4_18_0-305_3_1-1-4.el8_4	4_18_0-305_3_1-1-4.el8_4
redhat/kpatch-patch	<4_18_0-305_3_1-debuginfo-1-4.el8_4	4_18_0-305_3_1-debuginfo-1-4.el8_4
redhat/kpatch-patch	<4_18_0-305_3_1-debugsource-1-4.el8_4	4_18_0-305_3_1-debugsource-1-4.el8_4
redhat/kpatch-patch	<4_18_0-305_7_1-1-3.el8_4	4_18_0-305_7_1-1-3.el8_4
redhat/kpatch-patch	<4_18_0-305_7_1-debuginfo-1-3.el8_4	4_18_0-305_7_1-debuginfo-1-3.el8_4
redhat/kpatch-patch	<4_18_0-305_7_1-debugsource-1-3.el8_4	4_18_0-305_7_1-debugsource-1-3.el8_4

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Reference Links

https://access.redhat.com/errata/RHSA-2021:3436 (Advisory)

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