CWE
416
Advisory Published
Advisory Published

RHSA-2021:0689: Important: kpatch-patch security update

First published: Tue Mar 02 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: bad kfree in auditfilter.c may lead to escalation of privilege (CVE-2020-0444)</li> <li> kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free (CVE-2020-29661)</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 SoftwareAffected VersionHow to fix
redhat/kpatch-patch<4_18_0-147_13_2-1-8.el8_1
4_18_0-147_13_2-1-8.el8_1
redhat/kpatch-patch<4_18_0-147_20_1-1-7.el8_1
4_18_0-147_20_1-1-7.el8_1
redhat/kpatch-patch<4_18_0-147_24_2-1-5.el8_1
4_18_0-147_24_2-1-5.el8_1
redhat/kpatch-patch<4_18_0-147_27_1-1-5.el8_1
4_18_0-147_27_1-1-5.el8_1
redhat/kpatch-patch<4_18_0-147_32_1-1-3.el8_1
4_18_0-147_32_1-1-3.el8_1
redhat/kpatch-patch<4_18_0-147_34_1-1-3.el8_1
4_18_0-147_34_1-1-3.el8_1
redhat/kpatch-patch<4_18_0-147_38_1-1-2.el8_1
4_18_0-147_38_1-1-2.el8_1
redhat/kpatch-patch<4_18_0-147_8_1-1-10.el8_1
4_18_0-147_8_1-1-10.el8_1
redhat/kpatch-patch<4_18_0-147_13_2-1-8.el8_1
4_18_0-147_13_2-1-8.el8_1
redhat/kpatch-patch<4_18_0-147_13_2-debuginfo-1-8.el8_1
4_18_0-147_13_2-debuginfo-1-8.el8_1
redhat/kpatch-patch<4_18_0-147_13_2-debugsource-1-8.el8_1
4_18_0-147_13_2-debugsource-1-8.el8_1
redhat/kpatch-patch<4_18_0-147_20_1-1-7.el8_1
4_18_0-147_20_1-1-7.el8_1
redhat/kpatch-patch<4_18_0-147_20_1-debuginfo-1-7.el8_1
4_18_0-147_20_1-debuginfo-1-7.el8_1
redhat/kpatch-patch<4_18_0-147_20_1-debugsource-1-7.el8_1
4_18_0-147_20_1-debugsource-1-7.el8_1
redhat/kpatch-patch<4_18_0-147_24_2-1-5.el8_1
4_18_0-147_24_2-1-5.el8_1
redhat/kpatch-patch<4_18_0-147_24_2-debuginfo-1-5.el8_1
4_18_0-147_24_2-debuginfo-1-5.el8_1
redhat/kpatch-patch<4_18_0-147_24_2-debugsource-1-5.el8_1
4_18_0-147_24_2-debugsource-1-5.el8_1
redhat/kpatch-patch<4_18_0-147_27_1-1-5.el8_1
4_18_0-147_27_1-1-5.el8_1
redhat/kpatch-patch<4_18_0-147_27_1-debuginfo-1-5.el8_1
4_18_0-147_27_1-debuginfo-1-5.el8_1
redhat/kpatch-patch<4_18_0-147_27_1-debugsource-1-5.el8_1
4_18_0-147_27_1-debugsource-1-5.el8_1
redhat/kpatch-patch<4_18_0-147_32_1-1-3.el8_1
4_18_0-147_32_1-1-3.el8_1
redhat/kpatch-patch<4_18_0-147_32_1-debuginfo-1-3.el8_1
4_18_0-147_32_1-debuginfo-1-3.el8_1
redhat/kpatch-patch<4_18_0-147_34_1-1-3.el8_1
4_18_0-147_34_1-1-3.el8_1
redhat/kpatch-patch<4_18_0-147_34_1-debuginfo-1-3.el8_1
4_18_0-147_34_1-debuginfo-1-3.el8_1
redhat/kpatch-patch<4_18_0-147_34_1-debugsource-1-3.el8_1
4_18_0-147_34_1-debugsource-1-3.el8_1
redhat/kpatch-patch<4_18_0-147_38_1-1-2.el8_1
4_18_0-147_38_1-1-2.el8_1
redhat/kpatch-patch<4_18_0-147_38_1-debuginfo-1-2.el8_1
4_18_0-147_38_1-debuginfo-1-2.el8_1
redhat/kpatch-patch<4_18_0-147_38_1-debugsource-1-2.el8_1
4_18_0-147_38_1-debugsource-1-2.el8_1
redhat/kpatch-patch<4_18_0-147_8_1-1-10.el8_1
4_18_0-147_8_1-1-10.el8_1
redhat/kpatch-patch<4_18_0-147_13_2-1-8.el8_1
4_18_0-147_13_2-1-8.el8_1
redhat/kpatch-patch<4_18_0-147_13_2-debuginfo-1-8.el8_1
4_18_0-147_13_2-debuginfo-1-8.el8_1
redhat/kpatch-patch<4_18_0-147_13_2-debugsource-1-8.el8_1
4_18_0-147_13_2-debugsource-1-8.el8_1
redhat/kpatch-patch<4_18_0-147_20_1-1-7.el8_1
4_18_0-147_20_1-1-7.el8_1
redhat/kpatch-patch<4_18_0-147_20_1-debuginfo-1-7.el8_1
4_18_0-147_20_1-debuginfo-1-7.el8_1
redhat/kpatch-patch<4_18_0-147_20_1-debugsource-1-7.el8_1
4_18_0-147_20_1-debugsource-1-7.el8_1
redhat/kpatch-patch<4_18_0-147_24_2-1-5.el8_1
4_18_0-147_24_2-1-5.el8_1
redhat/kpatch-patch<4_18_0-147_24_2-debuginfo-1-5.el8_1
4_18_0-147_24_2-debuginfo-1-5.el8_1
redhat/kpatch-patch<4_18_0-147_24_2-debugsource-1-5.el8_1
4_18_0-147_24_2-debugsource-1-5.el8_1
redhat/kpatch-patch<4_18_0-147_27_1-1-5.el8_1
4_18_0-147_27_1-1-5.el8_1
redhat/kpatch-patch<4_18_0-147_27_1-debuginfo-1-5.el8_1
4_18_0-147_27_1-debuginfo-1-5.el8_1
redhat/kpatch-patch<4_18_0-147_27_1-debugsource-1-5.el8_1
4_18_0-147_27_1-debugsource-1-5.el8_1
redhat/kpatch-patch<4_18_0-147_32_1-1-3.el8_1
4_18_0-147_32_1-1-3.el8_1
redhat/kpatch-patch<4_18_0-147_32_1-debuginfo-1-3.el8_1
4_18_0-147_32_1-debuginfo-1-3.el8_1
redhat/kpatch-patch<4_18_0-147_34_1-1-3.el8_1
4_18_0-147_34_1-1-3.el8_1
redhat/kpatch-patch<4_18_0-147_34_1-debuginfo-1-3.el8_1
4_18_0-147_34_1-debuginfo-1-3.el8_1
redhat/kpatch-patch<4_18_0-147_34_1-debugsource-1-3.el8_1
4_18_0-147_34_1-debugsource-1-3.el8_1
redhat/kpatch-patch<4_18_0-147_38_1-1-2.el8_1
4_18_0-147_38_1-1-2.el8_1
redhat/kpatch-patch<4_18_0-147_38_1-debuginfo-1-2.el8_1
4_18_0-147_38_1-debuginfo-1-2.el8_1
redhat/kpatch-patch<4_18_0-147_38_1-debugsource-1-2.el8_1
4_18_0-147_38_1-debugsource-1-2.el8_1
redhat/kpatch-patch<4_18_0-147_8_1-1-10.el8_1
4_18_0-147_8_1-1-10.el8_1

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Frequently Asked Questions

  • What is the severity of RHSA-2021:0689?

    The severity of RHSA-2021:0689 is classified as moderate.

  • How do I fix RHSA-2021:0689?

    To fix RHSA-2021:0689, update the kpatch-patch package to one of the fixed versions provided by Red Hat.

  • What vulnerabilities are addressed in RHSA-2021:0689?

    RHSA-2021:0689 addresses a bad kfree vulnerability in auditfilter.c leading to potential privilege escalation, as identified by CVE-2020-0444.

  • Which packages are affected by RHSA-2021:0689?

    RHSA-2021:0689 affects the kpatch-patch package across various versions.

  • Is there a workaround for RHSA-2021:0689?

    There are no documented workarounds for RHSA-2021:0689; applying the update is recommended.

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