RHSA-2021:4770: Important: kernel security and bug fix update
The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free (CVE-2020-36385) 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): Bring in upstream serial kernel patch (BZ#2007936)
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2021:4770?
RHSA-2021:4770 is classified as important severity.
How do I fix RHSA-2021:4770?
To fix RHSA-2021:4770, install the kernel version 3.10.0-957.86.1.el7 or later.
What vulnerability is addressed in RHSA-2021:4770?
RHSA-2021:4770 addresses a use-after-free vulnerability in drivers/infiniband/core/ucma.c with the identifier CVE-2020-36385.
Which packages are affected by RHSA-2021:4770?
Affected packages include kernel, bpftool, kernel-debug, kernel-devel, and several others associated with the kernel.
When was the RHSA-2021:4770 advisory released?
RHSA-2021:4770 was released on December 14, 2021.