CWE
362
Advisory Published

USN-1720-1: Linux kernel vulnerabilities

First published: Tue Feb 12 2013(Updated: )

It was discovered that hypervkvpd, which is distributed in the Linux kernel, was not correctly validating the origin on Netlink messages. An untrusted local user can cause a denial of service of Linux guests in Hyper-V virtualization environments. (CVE-2012-2669) Dmitry Monakhov reported a race condition flaw the Linux ext4 filesystem that can expose stale data. An unprivileged user could exploit this flaw to cause an information leak. (CVE-2012-4508) Florian Weimer discovered that hypervkvpd, which is distributed in the Linux kernel, was not correctly validating source addresses of netlink packets. An untrusted local user can cause a denial of service by causing hypervkvpd to exit. (CVE-2012-5532) Andrew Cooper of Citrix reported a Xen stack corruption in the Linux kernel. An unprivileged user in a 32bit PVOPS guest can cause the guest kernel to crash, or operate erroneously. (CVE-2013-0190)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-3.0.0-31-powerpc-smp<3.0.0-31.48
3.0.0-31.48
Ubuntu 22.04 LTS=11.10
All of
ubuntu/linux-image-3.0.0-31-generic<3.0.0-31.48
3.0.0-31.48
Ubuntu 22.04 LTS=11.10
All of
ubuntu/linux-image-3.0.0-31-virtual<3.0.0-31.48
3.0.0-31.48
Ubuntu 22.04 LTS=11.10
All of
ubuntu/linux-image-3.0.0-31-generic-pae<3.0.0-31.48
3.0.0-31.48
Ubuntu 22.04 LTS=11.10
All of
ubuntu/linux-image-3.0.0-31-omap<3.0.0-31.48
3.0.0-31.48
Ubuntu 22.04 LTS=11.10
All of
ubuntu/linux-image-3.0.0-31-powerpc64-smp<3.0.0-31.48
3.0.0-31.48
Ubuntu 22.04 LTS=11.10
All of
ubuntu/linux-image-3.0.0-31-server<3.0.0-31.48
3.0.0-31.48
Ubuntu 22.04 LTS=11.10
All of
ubuntu/linux-image-3.0.0-31-powerpc<3.0.0-31.48
3.0.0-31.48
Ubuntu 22.04 LTS=11.10

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-1720-1?

    The severity of USN-1720-1 is categorized as important.

  • How do I fix USN-1720-1?

    To fix USN-1720-1, upgrade to the recommended package version 3.0.0-31.48 or later.

  • Who is affected by USN-1720-1?

    USN-1720-1 affects users of Ubuntu 11.10 with specific Linux kernel packages.

  • What vulnerabilities are associated with USN-1720-1?

    USN-1720-1 is associated with CVE-2012-2669, which can lead to denial of service in Hyper-V environments.

  • What products does USN-1720-1 impact?

    USN-1720-1 impacts several kernel packages in Ubuntu 11.10, including linux-image for powerpc, amd64, and virtual environments.

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.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203