USN-1468-1: Linux kernel vulnerability
Published Jun 12, 2012
·Updated
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.
Affected Software
28 affected componentsFixes available
All of the following
ubuntu/linux-image-2.6.32-41-server<2.6.32-41.90
2.6.32-41.90
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-41-preempt<2.6.32-41.90
2.6.32-41.90
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-41-ia64<2.6.32-41.90
2.6.32-41.90
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-41-generic-pae<2.6.32-41.90
2.6.32-41.90
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-41-386<2.6.32-41.90
2.6.32-41.90
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-41-generic<2.6.32-41.90
2.6.32-41.90
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-41-powerpc<2.6.32-41.90
2.6.32-41.90
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-41-sparc64<2.6.32-41.90
2.6.32-41.90
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-41-sparc64-smp<2.6.32-41.90
2.6.32-41.90
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-41-powerpc-smp<2.6.32-41.90
2.6.32-41.90
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-41-virtual<2.6.32-41.90
2.6.32-41.90
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-41-powerpc64-smp<2.6.32-41.90
2.6.32-41.90
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-41-versatile<2.6.32-41.90
2.6.32-41.90
Ubuntu Ubuntu=10.04
All of the following
ubuntu/linux-image-2.6.32-41-lpia<2.6.32-41.90
2.6.32-41.90
Ubuntu Ubuntu=10.04
Event History
Jun 12, 2012
Advisory Published
via Ubuntu·12:00 AM
Frequently Asked Questions
1
What is the severity of USN-1468-1?
USN-1468-1 is considered a high severity vulnerability that could lead to denial of service and potential privilege escalation.
2
How do I fix USN-1468-1?
To fix USN-1468-1, you should upgrade the affected Linux kernel packages to version 2.6.32-41.90 or later.
3
What systems are affected by USN-1468-1?
USN-1468-1 affects various configurations of Ubuntu 10.04 with kernels that have hugetlb enabled.
4
Can USN-1468-1 be exploited remotely?
No, USN-1468-1 requires local access for exploitation, meaning an attacker must be on the system.
5
What does hugetlb refer to in USN-1468-1?
Hugetlb refers to huge pages in Linux memory management, which optimize for large memory workloads.