USN-2600-1: Linux kernel vulnerability
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
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
ubuntu/linux-image-3.16.0-37-powerpc64-embto a version that resolves this vulnerability.Fixed in 3.16.0-37.49 - Upgrade
Upgrade
ubuntu/linux-image-3.16.0-37-lowlatencyto a version that resolves this vulnerability.Fixed in 3.16.0-37.49 - Upgrade
Upgrade
ubuntu/linux-image-3.16.0-37-powerpc64-smpto a version that resolves this vulnerability.Fixed in 3.16.0-37.49 - Upgrade
Upgrade
ubuntu/linux-image-3.16.0-37-generic-lpaeto a version that resolves this vulnerability.Fixed in 3.16.0-37.49 - Upgrade
Upgrade
ubuntu/linux-image-3.16.0-37-powerpc-smpto a version that resolves this vulnerability.Fixed in 3.16.0-37.49 - Upgrade
Upgrade
ubuntu/linux-image-3.16.0-37-genericto a version that resolves this vulnerability.Fixed in 3.16.0-37.49 - Upgrade
Upgrade
ubuntu/linux-image-3.16.0-37-powerpc-e500mcto a version that resolves this vulnerability.Fixed in 3.16.0-37.49
Event History
Frequently Asked Questions
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.
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.
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.
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.
Can USN-2600-1 be exploited remotely?
No, USN-2600-1 exploits require local access to the system and cannot be executed remotely.