CVE-2016-3157: High severity xen xapi vulnerability
Last updated 24 July 2024
Other sources
The switchto function in arch/x86/kernel/process64.c in the Linux ...
— Debian
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is CVE-2016-3157?
CVE-2016-3157 is a vulnerability in the Linux kernel that allows local guest OS users to gain privileges, cause a denial of service, or obtain sensitive information by leveraging I/O port access.
How does CVE-2016-3157 affect Linux kernel versions 3.2.0-104.145, 3.13.0-86.130, 4.2.0-36.41, 4.4.0-22.39, and 4.6~?
CVE-2016-3157 affects those Linux kernel versions by not properly context-switching IOPL on 64-bit PV Xen guests, leaving them vulnerable to privilege escalation, denial of service, and information disclosure.
How can I fix CVE-2016-3157?
To fix CVE-2016-3157, you should update your Linux kernel to a version that includes the appropriate security patches. Check with your Linux distribution for the latest updates.
Are there any known exploits for CVE-2016-3157?
Yes, there are known exploits for CVE-2016-3157. It is important to apply the necessary security patches to protect against these exploits.
Where can I find more information about CVE-2016-3157?
You can find more information about CVE-2016-3157 in the advisory provided by Xen and the Ubuntu security notices.