RHSA-2020:2669: 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.Security Fix(es): kernel: use-after-free in block/bfq-iosched.c related to bfqidleslicetimerbody (CVE-2020-12657) 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-2020:2669?
The severity of RHSA-2020:2669 is classified as important.
What is the nature of the vulnerability in RHSA-2020:2669?
RHSA-2020:2669 addresses a use-after-free vulnerability related to bfq_idle_slice_timer_body in block/bfq-iosched.c.
How do I fix RHSA-2020:2669?
To fix RHSA-2020:2669, update to the latest kpatch-patch version recommended in the advisory.
Which systems are affected by RHSA-2020:2669?
RHSA-2020:2669 affects various versions of the kpatch-patch package for Red Hat Enterprise Linux.
Is there a workaround for RHSA-2020:2669?
There is no specific workaround provided for RHSA-2020:2669, the recommendation is to apply the patch.