RHSA-2021:2599: Important: kernel-rt security and bug fix update
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.Security Fix(es): kernel: use-after-free in net/bluetooth/hcievent.c when destroying an hcichan (CVE-2021-33034) kernel: security bypass in certs/blacklist.c and certs/systemkeyring.c (CVE-2020-26541) 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.Bug Fix(es): kernel-rt: update RT source tree to the RHEL-8.4.z1 source tree (BZ#1965378) panic caused by i40emsixcleanrings [rhel-rt] (BZ#1965970)
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2021:2599?
The severity of RHSA-2021:2599 is classified as important.
How do I fix RHSA-2021:2599?
Fix RHSA-2021:2599 by updating the kernel-rt packages to version 4.18.0-305.7.1.rt7.79.el8_4.
What vulnerabilities are addressed by RHSA-2021:2599?
RHSA-2021:2599 addresses a use-after-free vulnerability in net/bluetooth/hci_event.c (CVE-2021-33034).
Which packages are affected by RHSA-2021:2599?
Affected packages by RHSA-2021:2599 include kernel-rt, kernel-rt-core, kernel-rt-debug, and their related debug packages.
When was RHSA-2021:2599 released?
RHSA-2021:2599 was released as a security update in 2021.