RHSA-2021:4859: Important: kpatch-patch security update
Published Nov 30, 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.Security Fix(es): kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free (CVE-2020-36385) 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
77 affected componentsFixes available
redhat/kpatch-patch<4_18_0-193_37_1-1-11.el8_2
4_18_0-193_37_1-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_40_1-1-11.el8_2
4_18_0-193_40_1-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_41_1-1-11.el8_2
4_18_0-193_41_1-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_46_1-1-8.el8_2
4_18_0-193_46_1-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_47_1-1-8.el8_2
4_18_0-193_47_1-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_51_1-1-5.el8_2
4_18_0-193_51_1-1-5.el8_2
redhat/kpatch-patch<4_18_0-193_56_1-1-4.el8_2
4_18_0-193_56_1-1-4.el8_2
redhat/kpatch-patch<4_18_0-193_60_2-1-3.el8_2
4_18_0-193_60_2-1-3.el8_2
redhat/kpatch-patch<4_18_0-193_64_1-1-2.el8_2
4_18_0-193_64_1-1-2.el8_2
redhat/kpatch-patch<4_18_0-193_65_2-1-1.el8_2
4_18_0-193_65_2-1-1.el8_2
redhat/kpatch-patch<4_18_0-193_68_1-1-1.el8_2
4_18_0-193_68_1-1-1.el8_2
redhat/kpatch-patch<4_18_0-193_37_1-1-11.el8_2
4_18_0-193_37_1-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_37_1-debuginfo-1-11.el8_2
4_18_0-193_37_1-debuginfo-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_37_1-debugsource-1-11.el8_2
4_18_0-193_37_1-debugsource-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_40_1-1-11.el8_2
4_18_0-193_40_1-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_40_1-debuginfo-1-11.el8_2
4_18_0-193_40_1-debuginfo-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_40_1-debugsource-1-11.el8_2
4_18_0-193_40_1-debugsource-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_41_1-1-11.el8_2
4_18_0-193_41_1-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_41_1-debuginfo-1-11.el8_2
4_18_0-193_41_1-debuginfo-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_41_1-debugsource-1-11.el8_2
4_18_0-193_41_1-debugsource-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_46_1-1-8.el8_2
4_18_0-193_46_1-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_46_1-debuginfo-1-8.el8_2
4_18_0-193_46_1-debuginfo-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_46_1-debugsource-1-8.el8_2
4_18_0-193_46_1-debugsource-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_47_1-1-8.el8_2
4_18_0-193_47_1-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_47_1-debuginfo-1-8.el8_2
4_18_0-193_47_1-debuginfo-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_47_1-debugsource-1-8.el8_2
4_18_0-193_47_1-debugsource-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_51_1-1-5.el8_2
4_18_0-193_51_1-1-5.el8_2
redhat/kpatch-patch<4_18_0-193_51_1-debuginfo-1-5.el8_2
4_18_0-193_51_1-debuginfo-1-5.el8_2
redhat/kpatch-patch<4_18_0-193_51_1-debugsource-1-5.el8_2
4_18_0-193_51_1-debugsource-1-5.el8_2
redhat/kpatch-patch<4_18_0-193_56_1-1-4.el8_2
4_18_0-193_56_1-1-4.el8_2
redhat/kpatch-patch<4_18_0-193_56_1-debuginfo-1-4.el8_2
4_18_0-193_56_1-debuginfo-1-4.el8_2
redhat/kpatch-patch<4_18_0-193_56_1-debugsource-1-4.el8_2
4_18_0-193_56_1-debugsource-1-4.el8_2
redhat/kpatch-patch<4_18_0-193_60_2-1-3.el8_2
4_18_0-193_60_2-1-3.el8_2
redhat/kpatch-patch<4_18_0-193_60_2-debuginfo-1-3.el8_2
4_18_0-193_60_2-debuginfo-1-3.el8_2
redhat/kpatch-patch<4_18_0-193_60_2-debugsource-1-3.el8_2
4_18_0-193_60_2-debugsource-1-3.el8_2
redhat/kpatch-patch<4_18_0-193_64_1-1-2.el8_2
4_18_0-193_64_1-1-2.el8_2
redhat/kpatch-patch<4_18_0-193_64_1-debuginfo-1-2.el8_2
4_18_0-193_64_1-debuginfo-1-2.el8_2
redhat/kpatch-patch<4_18_0-193_64_1-debugsource-1-2.el8_2
4_18_0-193_64_1-debugsource-1-2.el8_2
redhat/kpatch-patch<4_18_0-193_65_2-1-1.el8_2
4_18_0-193_65_2-1-1.el8_2
redhat/kpatch-patch<4_18_0-193_65_2-debuginfo-1-1.el8_2
4_18_0-193_65_2-debuginfo-1-1.el8_2
redhat/kpatch-patch<4_18_0-193_65_2-debugsource-1-1.el8_2
4_18_0-193_65_2-debugsource-1-1.el8_2
redhat/kpatch-patch<4_18_0-193_68_1-1-1.el8_2
4_18_0-193_68_1-1-1.el8_2
redhat/kpatch-patch<4_18_0-193_68_1-debuginfo-1-1.el8_2
4_18_0-193_68_1-debuginfo-1-1.el8_2
redhat/kpatch-patch<4_18_0-193_68_1-debugsource-1-1.el8_2
4_18_0-193_68_1-debugsource-1-1.el8_2
redhat/kpatch-patch<4_18_0-193_37_1-1-11.el8_2
4_18_0-193_37_1-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_37_1-debuginfo-1-11.el8_2
4_18_0-193_37_1-debuginfo-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_37_1-debugsource-1-11.el8_2
4_18_0-193_37_1-debugsource-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_40_1-1-11.el8_2
4_18_0-193_40_1-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_40_1-debuginfo-1-11.el8_2
4_18_0-193_40_1-debuginfo-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_40_1-debugsource-1-11.el8_2
4_18_0-193_40_1-debugsource-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_41_1-1-11.el8_2
4_18_0-193_41_1-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_41_1-debuginfo-1-11.el8_2
4_18_0-193_41_1-debuginfo-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_41_1-debugsource-1-11.el8_2
4_18_0-193_41_1-debugsource-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_46_1-1-8.el8_2
4_18_0-193_46_1-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_46_1-debuginfo-1-8.el8_2
4_18_0-193_46_1-debuginfo-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_46_1-debugsource-1-8.el8_2
4_18_0-193_46_1-debugsource-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_47_1-1-8.el8_2
4_18_0-193_47_1-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_47_1-debuginfo-1-8.el8_2
4_18_0-193_47_1-debuginfo-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_47_1-debugsource-1-8.el8_2
4_18_0-193_47_1-debugsource-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_51_1-1-5.el8_2
4_18_0-193_51_1-1-5.el8_2
redhat/kpatch-patch<4_18_0-193_51_1-debuginfo-1-5.el8_2
4_18_0-193_51_1-debuginfo-1-5.el8_2
redhat/kpatch-patch<4_18_0-193_51_1-debugsource-1-5.el8_2
4_18_0-193_51_1-debugsource-1-5.el8_2
redhat/kpatch-patch<4_18_0-193_56_1-1-4.el8_2
4_18_0-193_56_1-1-4.el8_2
redhat/kpatch-patch<4_18_0-193_56_1-debuginfo-1-4.el8_2
4_18_0-193_56_1-debuginfo-1-4.el8_2
redhat/kpatch-patch<4_18_0-193_56_1-debugsource-1-4.el8_2
4_18_0-193_56_1-debugsource-1-4.el8_2
redhat/kpatch-patch<4_18_0-193_60_2-1-3.el8_2
4_18_0-193_60_2-1-3.el8_2
redhat/kpatch-patch<4_18_0-193_60_2-debuginfo-1-3.el8_2
4_18_0-193_60_2-debuginfo-1-3.el8_2
redhat/kpatch-patch<4_18_0-193_60_2-debugsource-1-3.el8_2
4_18_0-193_60_2-debugsource-1-3.el8_2
redhat/kpatch-patch<4_18_0-193_64_1-1-2.el8_2
4_18_0-193_64_1-1-2.el8_2
redhat/kpatch-patch<4_18_0-193_64_1-debuginfo-1-2.el8_2
4_18_0-193_64_1-debuginfo-1-2.el8_2
redhat/kpatch-patch<4_18_0-193_64_1-debugsource-1-2.el8_2
4_18_0-193_64_1-debugsource-1-2.el8_2
redhat/kpatch-patch<4_18_0-193_65_2-1-1.el8_2
4_18_0-193_65_2-1-1.el8_2
redhat/kpatch-patch<4_18_0-193_65_2-debuginfo-1-1.el8_2
4_18_0-193_65_2-debuginfo-1-1.el8_2
redhat/kpatch-patch<4_18_0-193_65_2-debugsource-1-1.el8_2
4_18_0-193_65_2-debugsource-1-1.el8_2
redhat/kpatch-patch<4_18_0-193_68_1-1-1.el8_2
4_18_0-193_68_1-1-1.el8_2
redhat/kpatch-patch<4_18_0-193_68_1-debuginfo-1-1.el8_2
4_18_0-193_68_1-debuginfo-1-1.el8_2
redhat/kpatch-patch<4_18_0-193_68_1-debugsource-1-1.el8_2
4_18_0-193_68_1-debugsource-1-1.el8_2
Remediation
Event History
Nov 30, 2021
Advisory Published
via Red Hat·12:00 AM
Frequently Asked Questions
1
What is the severity of RHSA-2021:4859?
The severity of RHSA-2021:4859 is classified as important.
2
How do I fix RHSA-2021:4859?
You can fix RHSA-2021:4859 by updating the kpatch-patch package to the latest version available from Red Hat.
3
What is the cause of the vulnerability in RHSA-2021:4859?
The vulnerability in RHSA-2021:4859 is caused by a use-after-free error in the Infiniband subsystem in the Linux kernel.
4
Which versions are affected by RHSA-2021:4859?
RHSA-2021:4859 affects specific versions of the kpatch-patch package, including versions prior to the patched version.
5
Is there a specific CVE associated with RHSA-2021:4859?
Yes, the specific CVE associated with RHSA-2021:4859 is CVE-2020-36385.