USN-1606-1: Linux kernel vulnerabilities

Published Oct 11, 2012
·
Updated

A flaw was found in how the Linux kernel's KVM (Kernel-based Virtual Machine) subsystem handled MSI (Message Signaled Interrupts). A local unprivileged user could exploit this flaw to cause a denial of service or potentially elevate privileges. (CVE-2012-2137) A flaw was found in how the Linux kernel passed the replacement session keyring to a child process. An unprivileged local user could exploit this flaw to cause a denial of service (panic). (CVE-2012-2745)

Affected Software

28 affected componentsFixes available
All of the following
ubuntu/linux-image-2.6.32-44-ia64<2.6.32-44.98
2.6.32-44.98
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-44-386<2.6.32-44.98
2.6.32-44.98
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-44-powerpc<2.6.32-44.98
2.6.32-44.98
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-44-preempt<2.6.32-44.98
2.6.32-44.98
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-44-generic-pae<2.6.32-44.98
2.6.32-44.98
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-44-sparc64<2.6.32-44.98
2.6.32-44.98
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-44-server<2.6.32-44.98
2.6.32-44.98
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-44-powerpc64-smp<2.6.32-44.98
2.6.32-44.98
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-44-sparc64-smp<2.6.32-44.98
2.6.32-44.98
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-44-virtual<2.6.32-44.98
2.6.32-44.98
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-44-versatile<2.6.32-44.98
2.6.32-44.98
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-44-generic<2.6.32-44.98
2.6.32-44.98
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-44-lpia<2.6.32-44.98
2.6.32-44.98
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-44-powerpc-smp<2.6.32-44.98
2.6.32-44.98
Ubuntu Ubuntu=10.04

Event History

Oct 11, 2012
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-1606-1?

The severity of USN-1606-1 is categorized as important due to the potential for denial of service and privilege escalation.

2

How do I fix USN-1606-1?

You can fix USN-1606-1 by updating to the linux-image packages version 2.6.32-44.98 or later on Ubuntu 10.04.

3

Who is affected by USN-1606-1?

USN-1606-1 affects local unprivileged users on Ubuntu 10.04 running specific versions of the Linux kernel.

4

What vulnerabilities are addressed in USN-1606-1?

USN-1606-1 addresses a flaw in the Linux kernel's KVM subsystem related to Message Signaled Interrupts (CVE-2012-2137).

5

Is USN-1606-1 a critical vulnerability?

USN-1606-1 is not classified as critical but it has important security implications regarding system stability and unauthorized access.

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