USN-2600-1: Linux kernel vulnerability
Published May 5, 2015
·Updated
A race condition between chown() and execve() was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges.
Affected Software
14 affected componentsFixes available
All of the following
ubuntu/linux-image-3.16.0-37-powerpc64-emb<3.16.0-37.49
3.16.0-37.49
Ubuntu Ubuntu=14.10
All of the following
ubuntu/linux-image-3.16.0-37-lowlatency<3.16.0-37.49
3.16.0-37.49
Ubuntu Ubuntu=14.10
All of the following
ubuntu/linux-image-3.16.0-37-powerpc64-smp<3.16.0-37.49
3.16.0-37.49
Ubuntu Ubuntu=14.10
All of the following
ubuntu/linux-image-3.16.0-37-generic-lpae<3.16.0-37.49
3.16.0-37.49
Ubuntu Ubuntu=14.10
All of the following
ubuntu/linux-image-3.16.0-37-powerpc-smp<3.16.0-37.49
3.16.0-37.49
Ubuntu Ubuntu=14.10
All of the following
ubuntu/linux-image-3.16.0-37-generic<3.16.0-37.49
3.16.0-37.49
Ubuntu Ubuntu=14.10
All of the following
ubuntu/linux-image-3.16.0-37-powerpc-e500mc<3.16.0-37.49
3.16.0-37.49
Ubuntu Ubuntu=14.10
Event History
May 5, 2015
Advisory Published
via Ubuntu·12:00 AM
Frequently Asked Questions
1
What is the severity of USN-2600-1?
USN-2600-1 is categorized as a high severity vulnerability due to the potential for local attackers to escalate privileges to administrative levels.
2
How do I fix USN-2600-1?
To remediate USN-2600-1, you should upgrade to the kernel version 3.16.0-37.49 or later.
3
What systems are affected by USN-2600-1?
USN-2600-1 affects Ubuntu 14.10 with specific kernel image packages including linux-image-3.16.0-37-generic and others.
4
What type of vulnerability is USN-2600-1?
USN-2600-1 is a race condition vulnerability that occurs between the chown() and execve() system calls.
5
Can USN-2600-1 be exploited remotely?
No, USN-2600-1 exploits require local access to the system and cannot be executed remotely.