RHSA-2019:2901: Important: kernel security update
The kernel packages contain the Linux kernel, the core of any Linux operating system.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-2019:2901?
The severity of RHSA-2019:2901 is classified as important.
How do I fix RHSA-2019:2901?
To fix RHSA-2019:2901, upgrade the kernel package to version 2.6.32-431.96.2.el6 or later.
What does RHSA-2019:2901 address?
RHSA-2019:2901 addresses a buffer overflow flaw in the Linux kernel's vhost functionality.
Which packages are affected by RHSA-2019:2901?
Packages affected by RHSA-2019:2901 include kernel, kernel-debug, kernel-devel, and others under the Red Hat repositories.
Is there a workaround for RHSA-2019:2901?
There are no publicly documented workarounds for RHSA-2019:2901; updating is the recommended solution.