Alerts This Week
Warning Icon 1 1,154
Alerts This Week
Warning Icon 1 1,154

Red Hat: RHSA-2020-2203-01 Important: Kpatch-Patch Kernel Issues

red hat
Calendar Grey May 19, 2020
Dist Redhat Esm H88
Red Hat has announced a significant kpatch-patch security update that tackles various kernel vulnerabilities for RHEL users. Read on for comprehensive information.
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: use-after-free in __blk_add_trace in kernel/trace/blktrace.c (CVE-2019-19768)
* Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic (CVE-2020-10711)
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-2019-19768 https://access.redhat.com/security/cve/CVE-2020-10711 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux BaseOS EUS (v. 8.1):
Source: kpatch-patch-4_18_0-147-1-13.el8.src.rpm kpatch-patch-4_18_0-147_0_2-1-9.el8.src.rpm kpatch-patch-4_18_0-147_0_3-1-9.el8.src.rpm kpatch-patch-4_18_0-147_3_1-1-9.el8_1.src.rpm kpatch-patch-4_18_0-147_5_1-1-4.el8_1.src.rpm kpatch-patch-4_18_0-147_8_1-1-2.el8_1.src.rpm
ppc64le: kpatch-patch-4_18_0-147-1-13.el8.ppc64le.rpm kpatch-patch-4_18_0-147-debuginfo-1-13.el8.ppc64le.rpm kpatch-patch-4_18_0-147-debugsource-1-13.el8.ppc64le.rpm kpatch-patch-4_18_0-147_0_2-1-9.el8.ppc64le.rpm kpatch-patch-4_18_0-147_0_2-debuginfo-1-9.el8.ppc64le.rpm kpatch-patch-4_18_0-147_0_2-debugsource-1-9.el8.ppc64le.rpm kpatch-patch-4_18_0-147_0_3-1-9.el8.ppc64le.rpm kpatch-patch-4_18_0-147_3_1-1-9.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_5_1-1-4.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_8_1-1-2.el8_1.ppc64le.rpm
x86_64: kpatch-patch-4_18_0-147-1-13.el8.x86_64.rpm kpatch-patch-4_18_0-147-debuginfo-1-13.el8.x86_64.rpm kpatch-patch-4_18_0-147-debugsource-1-13.el8.x86_64.rpm kpatch-patch-4_18_0-147_0_2-1-9.el8.x86_64.rpm kpatch-patch-4_18_0-147_0_2-debuginfo-1-9.el8.x86_64.rpm kpatch-patch-4_18_0-147_0_2-debugsource-1-9.el8.x86_64.rpm kpatch-patch-4_18_0-147_0_3-1-9.el8.x86_64.rpm kpatch-patch-4_18_0-147_3_1-1-9.el8_1.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:2203-01
Product: Red Hat Enterprise Linux
Issue date: 2020-05-19

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

1786164 - CVE-2019-19768 kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c

1825116 - CVE-2020-10711 Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic

Get the latest News and Insights

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

Your message here