=========================================================================Ubuntu Security Notice USN-1647-1
November 30, 2012
linux-ti-omap4 vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.10
Summary:
Several security issues were fixed in the kernel.
Software Description:
- linux-ti-omap4: Linux kernel for OMAP4
Details:
Brad Spengler discovered a flaw in the Linux kernel's uname system call. An
unprivileged user could exploit this flaw to read kernel stack memory.
(CVE-2012-0957)
Rodrigo Freire discovered a flaw in the Linux kernel's TCP illinois
congestion control algorithm. A local attacker could use this to cause a
denial of service. (CVE-2012-4565)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.10:
linux-image-3.5.0-215-omap4 3.5.0-215.22
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-1647-1
CVE-2012-0957, CVE-2012-4565
Package Information:
https://launchpad.net/ubuntu/+source/linux-ti-omap4/3.5.0-215.22