RHSA-2021:3436: 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: powerpc: KVM guest OS users can cause host OS memory corruption (CVE-2021-37576) 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-2021:3436?
The severity of RHSA-2021:3436 is classified as important.
How do I fix RHSA-2021:3436?
To fix RHSA-2021:3436, upgrade the kpatch-patch package to the recommended versions listed in the advisory.
What vulnerability does RHSA-2021:3436 address?
RHSA-2021:3436 addresses a vulnerability that allows KVM guest OS users to cause memory corruption in the host OS, identified by CVE-2021-37576.
Which systems are affected by RHSA-2021:3436?
Systems running specific versions of the kpatch-patch package on Red Hat Enterprise Linux 8 are affected by RHSA-2021:3436.
What is the impact of not addressing RHSA-2021:3436?
Not addressing RHSA-2021:3436 could lead to potential memory corruption in the host system when using KVM.