RHSA-2020:4289: 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: net: bluetooth: type confusion while processing AMP packets (CVE-2020-12351) kernel: net: bluetooth: information leak when processing certain AMP packets (CVE-2020-12352) kernel: metadata validator in XFS may cause an inode with a valid, user-creatable extended attribute to be flagged as corrupt (CVE-2020-14385) kernel: memory corruption in net/packet/afpacket.c leads to elevation of privilege (CVE-2020-14386) kernel: kernel: buffer over write in vgaconscroll (CVE-2020-14331) 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-8.2.z Batch#4 source tree (BZ#1877921)
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2020:4289?
The severity of RHSA-2020:4289 is classified as critical due to the potential for exploitation of the vulnerability.
How do I fix RHSA-2020:4289?
To fix RHSA-2020:4289, update the kernel-rt packages to version 4.18.0-193.28.1.rt13.77.el8_2 or later.
What vulnerability is addressed in RHSA-2020:4289?
RHSA-2020:4289 addresses type confusion in the Bluetooth subsystem affecting the processing of AMP packets, specifically identified as CVE-2020-12351.
Which systems are affected by RHSA-2020:4289?
RHSA-2020:4289 affects systems using the kernel-rt packages up to version 4.18.0-193.28.1.rt13.77.el8_2.
What is the main focus of the RHSA-2020:4289 security fix?
The main focus of the RHSA-2020:4289 security fix is to resolve a critical Bluetooth-related vulnerability that could lead to unauthorized actions on affected systems.