Ubuntu Security Notice 1468-1 - Schacher Raindel discovered a flaw in the Linux kernel's memory handling when hugetlb is enabled. An unprivileged local attacker could exploit this flaw to cause a denial of service and potentially gain higher privileges.
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Ubuntu Security Notice USN-1468-1
June 12, 2012
linux vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 10.04 LTS
Summary:
The system could be made to crash or run programs as an administrator.
Software Description:
- linux: Linux kernel
Details:
Schacher Raindel discovered a flaw in the Linux kernel's memory handling
when hugetlb is enabled. An unprivileged local attacker could exploit this
flaw to cause a denial of service and potentially gain higher privileges.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 10.04 LTS:
linux-image-2.6.32-41-386 2.6.32-41.90
linux-image-2.6.32-41-generic 2.6.32-41.90
linux-image-2.6.32-41-generic-pae 2.6.32-41.90
linux-image-2.6.32-41-ia64 2.6.32-41.90
linux-image-2.6.32-41-lpia 2.6.32-41.90
linux-image-2.6.32-41-powerpc 2.6.32-41.90
linux-image-2.6.32-41-powerpc-smp 2.6.32-41.90
linux-image-2.6.32-41-powerpc64-smp 2.6.32-41.90
linux-image-2.6.32-41-preempt 2.6.32-41.90
linux-image-2.6.32-41-server 2.6.32-41.90
linux-image-2.6.32-41-sparc64 2.6.32-41.90
linux-image-2.6.32-41-sparc64-smp 2.6.32-41.90
linux-image-2.6.32-41-versatile 2.6.32-41.90
linux-image-2.6.32-41-virtual 2.6.32-41.90
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1468-1
CVE-2012-2133
Package Information:
https://launchpad.net/ubuntu/+source/linux/2.6.32-41.90