RHSA-2021:1295: Important: kpatch-patch security update

Published Apr 20, 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.<br>Security Fix(es):<br><li> kernel: Use after free via PI futex state (CVE-2021-3347)</li> <li> kernel: out-of-bounds read in libiscsi module (CVE-2021-27364)</li> <li> kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365)</li> 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

91 affected componentsFixes available
redhat/kpatch-patch<4_18_0-193-1-13.el8
4_18_0-193-1-13.el8
redhat/kpatch-patch<4_18_0-193_13_2-1-8.el8_2
4_18_0-193_13_2-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_14_3-1-8.el8_2
4_18_0-193_14_3-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_19_1-1-8.el8_2
4_18_0-193_19_1-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_1_2-1-11.el8_2
4_18_0-193_1_2-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_28_1-1-6.el8_2
4_18_0-193_28_1-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_29_1-1-6.el8_2
4_18_0-193_29_1-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_37_1-1-6.el8_2
4_18_0-193_37_1-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_40_1-1-6.el8_2
4_18_0-193_40_1-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_41_1-1-6.el8_2
4_18_0-193_41_1-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_46_1-1-3.el8_2
4_18_0-193_46_1-1-3.el8_2
redhat/kpatch-patch<4_18_0-193_47_1-1-3.el8_2
4_18_0-193_47_1-1-3.el8_2
redhat/kpatch-patch<4_18_0-193_6_3-1-10.el8_2
4_18_0-193_6_3-1-10.el8_2
redhat/kpatch-patch<4_18_0-193-1-13.el8
4_18_0-193-1-13.el8
redhat/kpatch-patch<4_18_0-193-debuginfo-1-13.el8
4_18_0-193-debuginfo-1-13.el8
redhat/kpatch-patch<4_18_0-193-debugsource-1-13.el8
4_18_0-193-debugsource-1-13.el8
redhat/kpatch-patch<4_18_0-193_13_2-1-8.el8_2
4_18_0-193_13_2-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_13_2-debuginfo-1-8.el8_2
4_18_0-193_13_2-debuginfo-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_13_2-debugsource-1-8.el8_2
4_18_0-193_13_2-debugsource-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_14_3-1-8.el8_2
4_18_0-193_14_3-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_14_3-debuginfo-1-8.el8_2
4_18_0-193_14_3-debuginfo-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_14_3-debugsource-1-8.el8_2
4_18_0-193_14_3-debugsource-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_19_1-1-8.el8_2
4_18_0-193_19_1-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_19_1-debuginfo-1-8.el8_2
4_18_0-193_19_1-debuginfo-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_19_1-debugsource-1-8.el8_2
4_18_0-193_19_1-debugsource-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_1_2-1-11.el8_2
4_18_0-193_1_2-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_1_2-debuginfo-1-11.el8_2
4_18_0-193_1_2-debuginfo-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_1_2-debugsource-1-11.el8_2
4_18_0-193_1_2-debugsource-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_28_1-1-6.el8_2
4_18_0-193_28_1-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_28_1-debuginfo-1-6.el8_2
4_18_0-193_28_1-debuginfo-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_28_1-debugsource-1-6.el8_2
4_18_0-193_28_1-debugsource-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_29_1-1-6.el8_2
4_18_0-193_29_1-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_29_1-debuginfo-1-6.el8_2
4_18_0-193_29_1-debuginfo-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_29_1-debugsource-1-6.el8_2
4_18_0-193_29_1-debugsource-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_37_1-1-6.el8_2
4_18_0-193_37_1-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_37_1-debuginfo-1-6.el8_2
4_18_0-193_37_1-debuginfo-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_37_1-debugsource-1-6.el8_2
4_18_0-193_37_1-debugsource-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_40_1-1-6.el8_2
4_18_0-193_40_1-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_40_1-debuginfo-1-6.el8_2
4_18_0-193_40_1-debuginfo-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_40_1-debugsource-1-6.el8_2
4_18_0-193_40_1-debugsource-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_41_1-1-6.el8_2
4_18_0-193_41_1-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_41_1-debuginfo-1-6.el8_2
4_18_0-193_41_1-debuginfo-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_41_1-debugsource-1-6.el8_2
4_18_0-193_41_1-debugsource-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_46_1-1-3.el8_2
4_18_0-193_46_1-1-3.el8_2
redhat/kpatch-patch<4_18_0-193_46_1-debuginfo-1-3.el8_2
4_18_0-193_46_1-debuginfo-1-3.el8_2
redhat/kpatch-patch<4_18_0-193_46_1-debugsource-1-3.el8_2
4_18_0-193_46_1-debugsource-1-3.el8_2
redhat/kpatch-patch<4_18_0-193_47_1-1-3.el8_2
4_18_0-193_47_1-1-3.el8_2
redhat/kpatch-patch<4_18_0-193_47_1-debuginfo-1-3.el8_2
4_18_0-193_47_1-debuginfo-1-3.el8_2
redhat/kpatch-patch<4_18_0-193_47_1-debugsource-1-3.el8_2
4_18_0-193_47_1-debugsource-1-3.el8_2
redhat/kpatch-patch<4_18_0-193_6_3-1-10.el8_2
4_18_0-193_6_3-1-10.el8_2
redhat/kpatch-patch<4_18_0-193_6_3-debuginfo-1-10.el8_2
4_18_0-193_6_3-debuginfo-1-10.el8_2
redhat/kpatch-patch<4_18_0-193_6_3-debugsource-1-10.el8_2
4_18_0-193_6_3-debugsource-1-10.el8_2
redhat/kpatch-patch<4_18_0-193-1-13.el8
4_18_0-193-1-13.el8
redhat/kpatch-patch<4_18_0-193-debuginfo-1-13.el8
4_18_0-193-debuginfo-1-13.el8
redhat/kpatch-patch<4_18_0-193-debugsource-1-13.el8
4_18_0-193-debugsource-1-13.el8
redhat/kpatch-patch<4_18_0-193_13_2-1-8.el8_2
4_18_0-193_13_2-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_13_2-debuginfo-1-8.el8_2
4_18_0-193_13_2-debuginfo-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_13_2-debugsource-1-8.el8_2
4_18_0-193_13_2-debugsource-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_14_3-1-8.el8_2
4_18_0-193_14_3-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_14_3-debuginfo-1-8.el8_2
4_18_0-193_14_3-debuginfo-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_14_3-debugsource-1-8.el8_2
4_18_0-193_14_3-debugsource-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_19_1-1-8.el8_2
4_18_0-193_19_1-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_19_1-debuginfo-1-8.el8_2
4_18_0-193_19_1-debuginfo-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_19_1-debugsource-1-8.el8_2
4_18_0-193_19_1-debugsource-1-8.el8_2
redhat/kpatch-patch<4_18_0-193_1_2-1-11.el8_2
4_18_0-193_1_2-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_1_2-debuginfo-1-11.el8_2
4_18_0-193_1_2-debuginfo-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_1_2-debugsource-1-11.el8_2
4_18_0-193_1_2-debugsource-1-11.el8_2
redhat/kpatch-patch<4_18_0-193_28_1-1-6.el8_2
4_18_0-193_28_1-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_28_1-debuginfo-1-6.el8_2
4_18_0-193_28_1-debuginfo-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_28_1-debugsource-1-6.el8_2
4_18_0-193_28_1-debugsource-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_29_1-1-6.el8_2
4_18_0-193_29_1-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_29_1-debuginfo-1-6.el8_2
4_18_0-193_29_1-debuginfo-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_29_1-debugsource-1-6.el8_2
4_18_0-193_29_1-debugsource-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_37_1-1-6.el8_2
4_18_0-193_37_1-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_37_1-debuginfo-1-6.el8_2
4_18_0-193_37_1-debuginfo-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_37_1-debugsource-1-6.el8_2
4_18_0-193_37_1-debugsource-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_40_1-1-6.el8_2
4_18_0-193_40_1-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_40_1-debuginfo-1-6.el8_2
4_18_0-193_40_1-debuginfo-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_40_1-debugsource-1-6.el8_2
4_18_0-193_40_1-debugsource-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_41_1-1-6.el8_2
4_18_0-193_41_1-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_41_1-debuginfo-1-6.el8_2
4_18_0-193_41_1-debuginfo-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_41_1-debugsource-1-6.el8_2
4_18_0-193_41_1-debugsource-1-6.el8_2
redhat/kpatch-patch<4_18_0-193_46_1-1-3.el8_2
4_18_0-193_46_1-1-3.el8_2
redhat/kpatch-patch<4_18_0-193_46_1-debuginfo-1-3.el8_2
4_18_0-193_46_1-debuginfo-1-3.el8_2
redhat/kpatch-patch<4_18_0-193_46_1-debugsource-1-3.el8_2
4_18_0-193_46_1-debugsource-1-3.el8_2
redhat/kpatch-patch<4_18_0-193_47_1-1-3.el8_2
4_18_0-193_47_1-1-3.el8_2
redhat/kpatch-patch<4_18_0-193_47_1-debuginfo-1-3.el8_2
4_18_0-193_47_1-debuginfo-1-3.el8_2
redhat/kpatch-patch<4_18_0-193_47_1-debugsource-1-3.el8_2
4_18_0-193_47_1-debugsource-1-3.el8_2
redhat/kpatch-patch<4_18_0-193_6_3-1-10.el8_2
4_18_0-193_6_3-1-10.el8_2
redhat/kpatch-patch<4_18_0-193_6_3-debuginfo-1-10.el8_2
4_18_0-193_6_3-debuginfo-1-10.el8_2
redhat/kpatch-patch<4_18_0-193_6_3-debugsource-1-10.el8_2
4_18_0-193_6_3-debugsource-1-10.el8_2

Remediation

Event History

Jun 20, 2024
Advisory Published
via Red Hat·01:26 AM
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Frequently Asked Questions

1

What is the severity of RHSA-2021:1295?

RHSA-2021:1295 has a critical severity level due to vulnerabilities that can lead to potential system compromise.

2

How do I fix RHSA-2021:1295?

To fix RHSA-2021:1295, you should upgrade to the patched version of kpatch-patch as specified in the advisory.

3

What vulnerabilities are addressed in RHSA-2021:1295?

RHSA-2021:1295 addresses a use-after-free vulnerability via PI futex state (CVE-2021-3347) and an out-of-bounds read in the libiscsi module.

4

Who is affected by RHSA-2021:1295?

Users running affected versions of the Red Hat kernel and kpatch-patch packages may be impacted by RHSA-2021:1295.

5

What are the recommended actions in response to RHSA-2021:1295?

It is recommended to apply the necessary updates to mitigate the vulnerabilities highlighted in RHSA-2021:1295.

Contact

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