CVE-2016-3961: Input Validation

Published Apr 15, 2016
·
Updated

Last updated 24 July 2024

Other sources

Xen and the Linux kernel through 4.5.x do not properly suppress hugetlbfs support in x86 PV guests, which allows local PV guest OS users to cause a denial of service (guest OS crash) by attempting to access a hugetlbfs mapped area.

Affected Software

5 affected componentsFixes available
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=15.10
Canonical Ubuntu Linux=16.04
XEN Xen<=4.5.3
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.25-16.12.27-1

Remediation

Event History

Apr 15, 2016
CVE Published
via MITRE·02:00 PM
Data Sourced
via MITRE·02:00 PM
Description
Jan 11, 2024
Data Sourced
via Launchpad·10:17 PM
Description
Sep 16, 2024
Data Sourced
via Ubuntu·01:14 AM
RemedyDescriptionSeverityAffected Software
May 2, 2025
Data Sourced
via Debian·03:29 AM
DescriptionAffected Software
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Frequently Asked Questions

1

What is the vulnerability ID of this vulnerability?

The vulnerability ID of this vulnerability is CVE-2016-3961.

2

What is the title of the vulnerability?

The title of the vulnerability is 'Xen and the Linux kernel through 4.5.x do not properly suppress hugetlbfs support in x86 PV guests'.

3

What is the description of the vulnerability?

The vulnerability allows local PV guest OS users to cause a denial of service (guest OS crash) by attempting to access a hugetlbfs mapped area.

4

How can I check if my system is affected by this vulnerability?

You can check if your system is affected by this vulnerability by verifying the Linux kernel version installed on your system.

5

How do I fix this vulnerability?

To fix this vulnerability, you need to update your Linux kernel to a version that includes the necessary security patches.

Contact

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