Alerts This Week
Warning Icon 1 1,053
Alerts This Week
Warning Icon 1 1,053

Red Hat 7 RHSA-2021-1069-01 Important: kpatch-patch Heap Overflow

red hat
Calendar Grey April 6, 2021
Dist Redhat Esm H88
Critical kpatch-patch update for Red Hat Enterprise Linux 7 mitigates serious vulnerabilities, including heap buffer overruns.
An update for kpatch-patch is now available for Red Hat Enterprise Linux 7

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: out-of-bounds read in libiscsi module (CVE-2021-27364)
* kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365)
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 Red Hat kernel patch Red Hat Enterprise Linux important heap overflow kernel live patch kpatch-patch

References

https://access.redhat.com/security/cve/CVE-2021-27364 https://access.redhat.com/security/cve/CVE-2021-27365 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Server (v. 7):
Source: kpatch-patch-3_10_0-1160-1-5.el7.src.rpm kpatch-patch-3_10_0-1160_11_1-1-4.el7.src.rpm kpatch-patch-3_10_0-1160_15_2-1-4.el7.src.rpm kpatch-patch-3_10_0-1160_21_1-1-2.el7.src.rpm kpatch-patch-3_10_0-1160_2_1-1-5.el7.src.rpm kpatch-patch-3_10_0-1160_2_2-1-5.el7.src.rpm kpatch-patch-3_10_0-1160_6_1-1-5.el7.src.rpm
ppc64le: kpatch-patch-3_10_0-1160-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-1160-debuginfo-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_11_1-1-4.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_11_1-debuginfo-1-4.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_15_2-1-4.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_15_2-debuginfo-1-4.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_21_1-1-2.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_21_1-debuginfo-1-2.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_2_1-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_2_1-debuginfo-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_2_2-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_2_2-debuginfo-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_6_1-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-1160_6_1-debuginfo-1-5.el7.ppc64le.rpm
x86_64: kpatch-patch-3_10_0-1160-1-5.el7.x86_64.rpm kpatch-patch-3_10_0-1160-debuginfo-1-5.el7.x86_64.rpm kpatch-patch-3_10_0-1160_11_1-1-4.el7.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:1069-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1069
Issue date: 2021-04-06

Topic

An update for kpatch-patch is now available for Red Hat Enterprise Linux 7.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 Red Hat kernel patch Red Hat Enterprise Linux important heap overflow kernel live patch kpatch-patch

Relevant Releases Architectures

Red Hat Enterprise Linux Server (v. 7) - ppc64le, x86_64

Bugs Fixed

1930078 - CVE-2021-27365 kernel: heap buffer overflow in the iSCSI subsystem

1930080 - CVE-2021-27364 kernel: out-of-bounds read in libiscsi module

Get the latest News and Insights

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

Your message here