USN-1974-1: Linux kernel vulnerabilities

Published Sep 27, 2013
·
Updated

Vince Weaver discovered a flaw in the perf subsystem of the Linux kernel on ARM platforms. A local user could exploit this flaw to gain privileges or cause a denial of service (system crash). (CVE-2013-4254) A memory leak was discovered in the user namespace facility of the Linux kernel. A local user could cause a denial of service (memory consumption) via the CLONENEWUSER unshare call. (CVE-2013-4205)

Affected Software

2 affected componentsFixes available
All of the following
ubuntu/linux-image-3.8.0-31-generic<3.8.0-31.46
3.8.0-31.46
Ubuntu Ubuntu=13.04

Event History

Sep 27, 2013
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-1974-1?

USN-1974-1 is considered a high severity vulnerability as it allows a local user to gain elevated privileges or cause a denial of service.

2

How do I fix USN-1974-1?

To fix USN-1974-1, ensure that your system is updated to the patched version of linux-image-3.8.0-31-generic.

3

Which systems are affected by USN-1974-1?

USN-1974-1 affects Ubuntu 13.04 systems running the linux-image-3.8.0-31-generic package.

4

What versions of Ubuntu are impacted by USN-1974-1?

Only Ubuntu 13.04 systems are impacted by the vulnerabilities outlined in USN-1974-1.

5

Who discovered the vulnerabilities mentioned in USN-1974-1?

Vince Weaver is credited with discovering the vulnerabilities related to USN-1974-1 in the Linux kernel's perf subsystem.

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