USN-2273-1: Linux kernel vulnerability

Published Jul 5, 2014
·
Updated

Andy Lutomirski discovered a flaw with the Linux kernel's ptrace syscall on x8664 processors. An attacker could exploit this flaw to cause a denial of service (System Crash) or potential gain administrative privileges.

Affected Software

4 affected componentsFixes available
All of the following
ubuntu/linux-image-3.11.0-24-generic-lpae<3.11.0-24.42
3.11.0-24.42
Ubuntu Ubuntu=13.10
All of the following
ubuntu/linux-image-3.11.0-24-generic<3.11.0-24.42
3.11.0-24.42
Ubuntu Ubuntu=13.10

Event History

Jul 5, 2014
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-2273-1?

The severity of USN-2273-1 is considered high due to the potential for denial of service and administrative privilege escalation.

2

How do I fix USN-2273-1?

To fix USN-2273-1, upgrade the affected package to version 3.11.0-24.42 or later.

3

What systems are affected by USN-2273-1?

USN-2273-1 affects Ubuntu 13.10 installations running the Linux kernel versions prior to 3.11.0-24.42.

4

What is the cause of the vulnerability in USN-2273-1?

The vulnerability in USN-2273-1 is caused by a flaw in the ptrace syscall implementation on x86_64 processors.

5

Can USN-2273-1 result in a system crash?

Yes, USN-2273-1 can be exploited by attackers to cause a system crash due to the denial of service vulnerability.

Contact

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