RHSA-2021:2563: 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 net/bluetooth/hcievent.c when destroying an hcichan (CVE-2021-33034) 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-2021:2563?
The severity of RHSA-2021:2563 is classified as important.
How do I fix RHSA-2021:2563?
To fix RHSA-2021:2563, you need to update the kpatch-patch package to the specified remedy versions.
What vulnerability does RHSA-2021:2563 address?
RHSA-2021:2563 addresses a use-after-free vulnerability in the Bluetooth kernel subsystem, identified as CVE-2021-33034.
Which systems are affected by RHSA-2021:2563?
RHSA-2021:2563 affects systems running specific versions of the kpatch-patch package on Red Hat Enterprise Linux.
What components are involved in the fix for RHSA-2021:2563?
The fix for RHSA-2021:2563 involves updating the kernel live patch module, specifically the kpatch-patch package.