RHSA-2019:2854: Important: kpatch-patch security update
This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a running kernel.Security Fix(es): A buffer overflow flaw was found in the way Linux kernel's vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this flaw to increase their privileges on the host. (CVE-2019-14835) 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-2019:2854?
The severity of RHSA-2019:2854 is classified as important.
How do I fix RHSA-2019:2854?
To fix RHSA-2019:2854, you need to update the kpatch-patch package to a version that addresses the vulnerability.
What systems are affected by RHSA-2019:2854?
The systems affected by RHSA-2019:2854 are those running the specified versions of the kpatch-patch package.
What type of vulnerability is associated with RHSA-2019:2854?
RHSA-2019:2854 is associated with a buffer overflow flaw in the Linux kernel's vhost functionality.
Is there a specific version of kpatch-patch required to resolve RHSA-2019:2854?
Yes, the remedial versions of kpatch-patch specified in the advisory must be installed to resolve RHSA-2019:2854.