RHSA-2020:2291: Important: kpatch-patch security update

Published May 26, 2020
·
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.Security Fix(es): kernel: use-after-free in blkaddtrace 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.

Affected Software

33 affected componentsFixes available
redhat/kpatch-patch<3_10_0-957_35_1-1-9.el7
3_10_0-957_35_1-1-9.el7
redhat/kpatch-patch<3_10_0-957_35_2-1-8.el7
3_10_0-957_35_2-1-8.el7
redhat/kpatch-patch<3_10_0-957_38_1-1-7.el7
3_10_0-957_38_1-1-7.el7
redhat/kpatch-patch<3_10_0-957_38_2-1-6.el7
3_10_0-957_38_2-1-6.el7
redhat/kpatch-patch<3_10_0-957_38_3-1-6.el7
3_10_0-957_38_3-1-6.el7
redhat/kpatch-patch<3_10_0-957_41_1-1-4.el7
3_10_0-957_41_1-1-4.el7
redhat/kpatch-patch<3_10_0-957_43_1-1-4.el7
3_10_0-957_43_1-1-4.el7
redhat/kpatch-patch<3_10_0-957_46_1-1-3.el7
3_10_0-957_46_1-1-3.el7
redhat/kpatch-patch<3_10_0-957_48_1-1-3.el7
3_10_0-957_48_1-1-3.el7
redhat/kpatch-patch<3_10_0-957_35_1-1-9.el7
3_10_0-957_35_1-1-9.el7
redhat/kpatch-patch<3_10_0-957_35_1-debuginfo-1-9.el7
3_10_0-957_35_1-debuginfo-1-9.el7
redhat/kpatch-patch<3_10_0-957_35_2-1-8.el7
3_10_0-957_35_2-1-8.el7
redhat/kpatch-patch<3_10_0-957_35_2-debuginfo-1-8.el7
3_10_0-957_35_2-debuginfo-1-8.el7
redhat/kpatch-patch<3_10_0-957_38_1-1-7.el7
3_10_0-957_38_1-1-7.el7
redhat/kpatch-patch<3_10_0-957_38_1-debuginfo-1-7.el7
3_10_0-957_38_1-debuginfo-1-7.el7
redhat/kpatch-patch<3_10_0-957_38_2-1-6.el7
3_10_0-957_38_2-1-6.el7
redhat/kpatch-patch<3_10_0-957_38_3-1-6.el7
3_10_0-957_38_3-1-6.el7
redhat/kpatch-patch<3_10_0-957_41_1-1-4.el7
3_10_0-957_41_1-1-4.el7
redhat/kpatch-patch<3_10_0-957_43_1-1-4.el7
3_10_0-957_43_1-1-4.el7
redhat/kpatch-patch<3_10_0-957_46_1-1-3.el7
3_10_0-957_46_1-1-3.el7
redhat/kpatch-patch<3_10_0-957_48_1-1-3.el7
3_10_0-957_48_1-1-3.el7
redhat/kpatch-patch<3_10_0-957_35_1-1-9.el7
3_10_0-957_35_1-1-9.el7
redhat/kpatch-patch<3_10_0-957_35_1-debuginfo-1-9.el7
3_10_0-957_35_1-debuginfo-1-9.el7
redhat/kpatch-patch<3_10_0-957_35_2-1-8.el7
3_10_0-957_35_2-1-8.el7
redhat/kpatch-patch<3_10_0-957_35_2-debuginfo-1-8.el7
3_10_0-957_35_2-debuginfo-1-8.el7
redhat/kpatch-patch<3_10_0-957_38_1-1-7.el7
3_10_0-957_38_1-1-7.el7
redhat/kpatch-patch<3_10_0-957_38_1-debuginfo-1-7.el7
3_10_0-957_38_1-debuginfo-1-7.el7
redhat/kpatch-patch<3_10_0-957_38_2-1-6.el7
3_10_0-957_38_2-1-6.el7
redhat/kpatch-patch<3_10_0-957_38_3-1-6.el7
3_10_0-957_38_3-1-6.el7
redhat/kpatch-patch<3_10_0-957_41_1-1-4.el7
3_10_0-957_41_1-1-4.el7
redhat/kpatch-patch<3_10_0-957_43_1-1-4.el7
3_10_0-957_43_1-1-4.el7
redhat/kpatch-patch<3_10_0-957_46_1-1-3.el7
3_10_0-957_46_1-1-3.el7
redhat/kpatch-patch<3_10_0-957_48_1-1-3.el7
3_10_0-957_48_1-1-3.el7

Remediation

Event History

May 26, 2020
Advisory Published
via Red Hat·12:00 AM
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Frequently Asked Questions

1

What is the severity of RHSA-2020:2291?

The severity of RHSA-2020:2291 is classified as important.

2

How do I fix RHSA-2020:2291?

To fix RHSA-2020:2291, install the updated kpatch-patch package specifically version 3_10_0-957_35_1-1-9.el7 or later.

3

What vulnerabilities are addressed in RHSA-2020:2291?

RHSA-2020:2291 addresses a use-after-free vulnerability in blktrace (CVE-2019-19768) among other issues.

4

What affected systems should be patched for RHSA-2020:2291?

Systems running Red Hat Enterprise Linux with specific versions of kpatch-patch are affected and should be patched.

5

When was RHSA-2020:2291 released?

RHSA-2020:2291 was released on September 18, 2020.

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