RHSA-2020:0027: 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: KVM: OOB memory access via mmio ring buffer (CVE-2019-14821) kernel: local attacker can trigger multiple use-after-free conditions results in privilege escalation (CVE-2019-15239) For more details about the security issue(s), including the impact, a CVSS score, acknowledgements, 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-2020:0027?
The severity of RHSA-2020:0027 is classified as important.
How do I fix RHSA-2020:0027?
To fix RHSA-2020:0027, you should update the kpatch-patch package to one of the specified remedies listed in the advisory.
What vulnerabilities does RHSA-2020:0027 address?
RHSA-2020:0027 addresses vulnerabilities including CVE-2019-14821 which involves out-of-bounds memory access via the mmio ring buffer.
Which systems are affected by RHSA-2020:0027?
RHSA-2020:0027 affects systems running specific versions of the kpatch-patch package on Red Hat Enterprise Linux.
Is a reboot required after applying RHSA-2020:0027?
No, a reboot is not required after applying RHSA-2020:0027, as this is a kernel live patch.