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

RedHat 8.2 RHSA-2021-2167-01 Important Privilege Escalation Fix

red hat
Calendar Grey June 1, 2021
Dist Redhat Esm H88
A crucial security patch from Red Hat tackles significant kernel vulnerabilities aimed at bolstering Update Support. Discover the details here.
An update is now available for Red Hat Enterprise Linux 8.2 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 eventpoll.c may lead to escalation of privilege (CVE-2020-0466)
* kernel: SCSI target (LIO) write to any block on ILO backstore (CVE-2020-28374)
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.

Topics%20covered

Topics Covered

security advisory security update privilege escalation important Red Hat Enterprise kernel escalation

References

https://access.redhat.com/security/cve/CVE-2020-0466 https://access.redhat.com/security/cve/CVE-2020-28374 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux BaseOS EUS (v. 8.2):
Source: kpatch-patch-4_18_0-193_13_2-1-9.el8_2.src.rpm kpatch-patch-4_18_0-193_14_3-1-9.el8_2.src.rpm kpatch-patch-4_18_0-193_19_1-1-9.el8_2.src.rpm kpatch-patch-4_18_0-193_28_1-1-7.el8_2.src.rpm kpatch-patch-4_18_0-193_29_1-1-7.el8_2.src.rpm kpatch-patch-4_18_0-193_37_1-1-7.el8_2.src.rpm kpatch-patch-4_18_0-193_40_1-1-7.el8_2.src.rpm kpatch-patch-4_18_0-193_41_1-1-7.el8_2.src.rpm kpatch-patch-4_18_0-193_46_1-1-4.el8_2.src.rpm kpatch-patch-4_18_0-193_47_1-1-4.el8_2.src.rpm kpatch-patch-4_18_0-193_51_1-1-1.el8_2.src.rpm kpatch-patch-4_18_0-193_6_3-1-11.el8_2.src.rpm
ppc64le: kpatch-patch-4_18_0-193_13_2-1-9.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_13_2-debuginfo-1-9.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_13_2-debugsource-1-9.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_14_3-1-9.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_14_3-debuginfo-1-9.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_14_3-debugsource-1-9.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_19_1-1-9.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_19_1-debuginfo-1-9.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_19_1-debugsource-1-9.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_28_1-1-7.el8_2.ppc64le.rpm kpatch-patch-4_18_0-193_28_1-debuginfo-1-7.el8_2.ppc64le.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:2167-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2167
Issue date: 2021-06-01

Topic

An update is now available for Red Hat Enterprise Linux 8.2 Extended UpdateSupport.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.

Topics%20covered

Topics Covered

security advisory security update privilege escalation important Red Hat Enterprise kernel escalation

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS EUS (v. 8.2) - ppc64le, x86_64

Bugs Fixed

1899804 - CVE-2020-28374 kernel: SCSI target (LIO) write to any block on ILO backstore

1920480 - CVE-2020-0466 kernel: use after free in eventpoll.c may lead to escalation of privilege

Get the latest News and Insights

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

Your message here