USN-1486-1: Linux kernel vulnerability
Published Jun 29, 2012
·Updated
A flaw was discovered in the Linux kernel's NFSv4 (Network file system) handling of ACLs (access control lists). A remote NFS server (attacker) could cause a denial of service (OOPS).
Affected Software
14 affected componentsFixes available
All of the following
ubuntu/linux-image-3.2.0-26-omap<3.2.0-26.41
3.2.0-26.41
Ubuntu Ubuntu=12.04
All of the following
ubuntu/linux-image-3.2.0-26-generic<3.2.0-26.41
3.2.0-26.41
Ubuntu Ubuntu=12.04
All of the following
ubuntu/linux-image-3.2.0-26-powerpc-smp<3.2.0-26.41
3.2.0-26.41
Ubuntu Ubuntu=12.04
All of the following
ubuntu/linux-image-3.2.0-26-powerpc64-smp<3.2.0-26.41
3.2.0-26.41
Ubuntu Ubuntu=12.04
All of the following
ubuntu/linux-image-3.2.0-26-virtual<3.2.0-26.41
3.2.0-26.41
Ubuntu Ubuntu=12.04
All of the following
ubuntu/linux-image-3.2.0-26-generic-pae<3.2.0-26.41
3.2.0-26.41
Ubuntu Ubuntu=12.04
All of the following
ubuntu/linux-image-3.2.0-26-highbank<3.2.0-26.41
3.2.0-26.41
Ubuntu Ubuntu=12.04
Event History
Jun 29, 2012
Advisory Published
via Ubuntu·12:00 AM
Frequently Asked Questions
1
What is the severity of USN-1486-1?
The severity of USN-1486-1 is classified as high due to the potential for denial of service.
2
How do I fix USN-1486-1?
To fix USN-1486-1, upgrade your kernel to version 3.2.0-26.41 or later for Ubuntu 12.04.
3
What systems are affected by USN-1486-1?
USN-1486-1 affects various Ubuntu 12.04 systems running specific versions of the Linux kernel.
4
Can USN-1486-1 be exploited remotely?
Yes, USN-1486-1 can be exploited remotely through a malicious NFS server that can cause a denial of service.
5
What is the impact of USN-1486-1?
The impact of USN-1486-1 is that it can lead to a system crash or denial of service, interrupting service availability.