- Vulnerability/
- USN-1577-1
USN-1577-1: Linux kernel (OMAP4) vulnerabilities
First published: Fri Sep 21 2012(Updated: )
A flaw was discovered in the Linux kernel's KVM (kernel virtual machine). An administrative user in the guest OS could leverage this flaw to cause a denial of service in the host OS. (CVE-2012-2121) Ben Hutchings reported a flaw in the Linux kernel with some network drivers that support TSO (TCP segment offload). A local or peer user could exploit this flaw to to cause a denial of service. (CVE-2012-3412) Jay Fenlason and Doug Ledford discovered a bug in the Linux kernel implementation of RDS sockets. A local unprivileged user could potentially use this flaw to read privileged information from the kernel. (CVE-2012-3430) A flaw was discovered in the madvise feature of the Linux kernel's memory subsystem. An unprivileged local use could exploit the flaw to cause a denial of service (crash the system). (CVE-2012-3511)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/linux-image-2.6.38-1209-omap4 | <2.6.38-1209.26 | 2.6.38-1209.26 |
| Ubuntu gir1.2-packagekitglib-1.0 | =11.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2012-2121
- https://ubuntu.com/security/CVE-2012-3412
- https://ubuntu.com/security/CVE-2012-3430
- https://ubuntu.com/security/CVE-2012-3511
- https://ubuntu.com/security/notices/USN-1474-1
- https://ubuntu.com/security/notices/USN-1457-1
- https://ubuntu.com/security/notices/USN-1476-1
- https://ubuntu.com/security/notices/USN-1470-1
- https://ubuntu.com/security/notices/USN-1472-1
- https://ubuntu.com/security/notices/USN-2037-1
- https://ubuntu.com/security/notices/USN-1473-1
- https://ubuntu.com/security/notices/USN-1471-1
- https://ubuntu.com/security/notices/USN-2036-1
- https://ubuntu.com/security/notices/USN-1568-1
- https://ubuntu.com/security/notices/USN-1574-1
- https://ubuntu.com/security/notices/USN-1579-1
- https://ubuntu.com/security/notices/USN-1580-1
- https://ubuntu.com/security/notices/USN-1572-1
- https://ubuntu.com/security/notices/USN-1578-1
- https://ubuntu.com/security/notices/USN-1573-1
- https://ubuntu.com/security/notices/USN-1567-1
- https://ubuntu.com/security/notices/USN-1575-1
- https://ubuntu.com/security/notices/USN-1533-1
- https://ubuntu.com/security/notices/USN-1539-1
- https://ubuntu.com/security/notices/USN-1529-1
- https://ubuntu.com/security/notices/USN-1514-1
- https://ubuntu.com/security/notices/USN-1532-1
- https://launchpad.net/ubuntu/+source/linux-ti-omap4/2.6.38-1209.26
- https://ubuntu.com/security/notices/USN-1577-1 (Advisory)
Child vulnerabilities
(Contains the following vulnerabilities)
Frequently Asked Questions
What is the severity of USN-1577-1?
USN-1577-1 is classified as a denial of service vulnerability that could affect the stability of the host operating system.
How do I fix USN-1577-1?
To fix USN-1577-1, update the linux-image-2.6.38-1209-omap4 package to version 2.6.38-1209.26 or later.
Who is affected by USN-1577-1?
Users running Ubuntu 11.04 with the linux-image-2.6.38-1209-omap4 package are affected by USN-1577-1.
What causes the USN-1577-1 vulnerability?
The USN-1577-1 vulnerability is caused by a flaw in the Linux kernel's KVM that allows a guest OS administrative user to launch a denial of service attack against the host OS.
How can I determine if I am vulnerable to USN-1577-1?
You can determine if you are vulnerable to USN-1577-1 by checking if you are using an affected version of the linux-image-2.6.38-1209-omap4 package on Ubuntu 11.04.
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