USN-3104-2: Linux kernel (OMAP4) vulnerability

Published Oct 20, 2016
·
Updated

It was discovered that a race condition existed in the memory manager of the Linux kernel when handling copy-on-write breakage of private read-only memory mappings. A local attacker could use this to gain administrative privileges.

Affected Software

2 affected componentsFixes available
All of the following
ubuntu/linux-image-3.2.0-1491-omap4<3.2.0-1491.118
3.2.0-1491.118
Ubuntu Ubuntu=12.04

Event History

Oct 20, 2016
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-3104-2?

The severity of USN-3104-2 is considered high due to the potential for local attackers to gain administrative privileges.

2

How do I fix USN-3104-2?

To fix USN-3104-2, update to the patched version of the Linux kernel, specifically linux-image-3.2.0-1491-omap4 version 3.2.0-1491.118 or newer.

3

What systems are affected by USN-3104-2?

USN-3104-2 affects Ubuntu 12.04 systems running the linux-image-3.2.0-1491-omap4 package.

4

What is the main vulnerability in USN-3104-2?

The main vulnerability in USN-3104-2 is a race condition in the Linux kernel's memory manager related to copy-on-write memory mappings.

5

Can remote attackers exploit USN-3104-2?

No, USN-3104-2 is a local privilege escalation vulnerability, meaning it can only be exploited by local attackers with access to the system.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203