RHSA-2020:5026: Moderate: 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: kernel: buffer over write in vgaconscroll (CVE-2020-14331) kernel: net-sysfs: queueaddkobject refcount issue (CVE-2019-20811) 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): [RHEL-7.9] net/ipv6/ip6flowlabel.c:85 suspicious rcudereferencecheck() usage! (kernel-rt-debug) (BZ#1836846) md/raid: sleeping function called from invalid context triggered by CKI storage/swraid/trim test (BZ#1857872) Infinite looping when trying to acquire eventpoll->mtx during eventpollreleasefile, 2nd try (BZ#1877695) kernel-rt: update to the latest RHEL7.9.z1 source tree (BZ#1883995)
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2020:5026?
The severity of RHSA-2020:5026 is classified as moderate.
How do I fix RHSA-2020:5026?
To fix RHSA-2020:5026, update to kernel-rt version 3.10.0-1160.6.1.rt56.1139.el7 or later.
What vulnerabilities are addressed in RHSA-2020:5026?
RHSA-2020:5026 addresses vulnerabilities such as CVE-2020-14331 related to a buffer overwrite in vgacon_scroll.
Which packages are affected by RHSA-2020:5026?
Affected packages include kernel-rt and its associated debug and development packages.
When was RHSA-2020:5026 released?
RHSA-2020:5026 was released to address security issues identified in the kernel-rt packages.