RHSA-2021:0940: Important: kpatch-patch security update
This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.<br>Security Fix(es):<br><li> kernel: locking issue in drivers/tty/ttyjobctrl.c can lead to an use-after-free (CVE-2020-29661)</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.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2021:0940?
The severity of RHSA-2021:0940 is considered important due to its potential for use-after-free vulnerabilities.
How do I fix RHSA-2021:0940?
To fix RHSA-2021:0940, update the kpatch-patch package to the recommended versions listed in the advisory.
What is the impact of the vulnerability in RHSA-2021:0940?
The impact of the vulnerability in RHSA-2021:0940 could lead to system crashes or arbitrary code execution by exploiting the use-after-free issue.
Which versions of kpatch-patch are affected by RHSA-2021:0940?
Kpatch-patch versions prior to 3_10_0-957_46_1-1-4.el7 are affected by RHSA-2021:0940.
Is there a workaround for RHSA-2021:0940?
There are no specific workarounds suggested for RHSA-2021:0940, applying the patch is recommended.