Ubuntu Security Notice 1469-1 - 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-1469-1
June 12, 2012
linux-ec2 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-ec2: Linux kernel for EC2
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-2.6.32-345-ec2 2.6.32-345.49
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
https://www.ubuntu.com/usn/usn-1469-1
CVE-2012-2133
Package Information:
https://launchpad.net/ubuntu/+source/linux-ec2/2.6.32-345.49