Advisory Published

RHSA-2022:1413: Important: kernel-rt security and bug fix update

First published: Tue Apr 19 2022(Updated: )

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.<br>Security Fix(es):<br><li> kernel: fget: check that the fd still exists after getting a ref to it (CVE-2021-4083)</li> <li> kernel: cgroups v1 release_agent feature may allow privilege escalation (CVE-2022-0492)</li> <li> kernel: heap out of bounds write in nf_dup_netdev.c (CVE-2022-25636)</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.<br>Bug Fix(es):<br><li> kernel-rt: update RT source tree to the RHEL-8.4.z8 source tree (BZ#2059334)</li>

Affected SoftwareAffected VersionHow to fix
redhat/kernel-rt<4.18.0-305.45.1.rt7.117.el8_4
4.18.0-305.45.1.rt7.117.el8_4
redhat/kernel-rt<4.18.0-305.45.1.rt7.117.el8_4
4.18.0-305.45.1.rt7.117.el8_4
redhat/kernel-rt-core<4.18.0-305.45.1.rt7.117.el8_4
4.18.0-305.45.1.rt7.117.el8_4
redhat/kernel-rt-debug<4.18.0-305.45.1.rt7.117.el8_4
4.18.0-305.45.1.rt7.117.el8_4
redhat/kernel-rt-debug-core<4.18.0-305.45.1.rt7.117.el8_4
4.18.0-305.45.1.rt7.117.el8_4
redhat/kernel-rt-debug-debuginfo<4.18.0-305.45.1.rt7.117.el8_4
4.18.0-305.45.1.rt7.117.el8_4
redhat/kernel-rt-debug-devel<4.18.0-305.45.1.rt7.117.el8_4
4.18.0-305.45.1.rt7.117.el8_4
redhat/kernel-rt-debug-modules<4.18.0-305.45.1.rt7.117.el8_4
4.18.0-305.45.1.rt7.117.el8_4
redhat/kernel-rt-debug-modules-extra<4.18.0-305.45.1.rt7.117.el8_4
4.18.0-305.45.1.rt7.117.el8_4
redhat/kernel-rt-debuginfo<4.18.0-305.45.1.rt7.117.el8_4
4.18.0-305.45.1.rt7.117.el8_4
redhat/kernel-rt-devel<4.18.0-305.45.1.rt7.117.el8_4
4.18.0-305.45.1.rt7.117.el8_4
redhat/kernel-rt-modules<4.18.0-305.45.1.rt7.117.el8_4
4.18.0-305.45.1.rt7.117.el8_4
redhat/kernel-rt-modules-extra<4.18.0-305.45.1.rt7.117.el8_4
4.18.0-305.45.1.rt7.117.el8_4
redhat/kernel-rt-debug-kvm<4.18.0-305.45.1.rt7.117.el8_4
4.18.0-305.45.1.rt7.117.el8_4
redhat/kernel-rt-kvm<4.18.0-305.45.1.rt7.117.el8_4
4.18.0-305.45.1.rt7.117.el8_4

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