What is the severity of CVE-2013-4371?

CVE-2013-4371 is classified as a denial of service vulnerability due to heap corruption and crash.

How do I fix CVE-2013-4371?

To fix CVE-2013-4371, upgrade to Xen versions 4.4.0 or later, which includes patches for this vulnerability.

Who is affected by CVE-2013-4371?

Users running Xen versions 4.2.x and 4.3.x are affected by CVE-2013-4371.

What causes CVE-2013-4371?

CVE-2013-4371 is caused by a use-after-free issue in the libxl_list_cpupool function when realloc fails under memory pressure.

What impact does CVE-2013-4371 have?

CVE-2013-4371 can lead to a denial of service, causing systems to crash and become unstable.

Vulnerability/
CVE-2013-4371

medium

4.4

CWE

399 416

17/10/2013

6/8/2024

CVE-2013-4371: Use After Free

First published: Thu Oct 17 2013(Updated: )

Use-after-free vulnerability in the libxl_list_cpupool function in the libxl toolstack library in Xen 4.2.x and 4.3.x, when running "under memory pressure," returns the original pointer when the realloc function fails, which allows local users to cause a denial of service (heap corruption and crash) and possibly execute arbitrary code via unspecified vectors.

Credit: secalert@redhat.com

Affected Software	Affected Version	How to fix
Xen xen-unstable	=4.2.0
Xen xen-unstable	=4.2.1
Xen xen-unstable	=4.2.2
Xen xen-unstable	=4.2.3
Xen xen-unstable	=4.3.0

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Frequently Asked Questions

What is the severity of CVE-2013-4371?
CVE-2013-4371 is classified as a denial of service vulnerability due to heap corruption and crash.
How do I fix CVE-2013-4371?
To fix CVE-2013-4371, upgrade to Xen versions 4.4.0 or later, which includes patches for this vulnerability.
Who is affected by CVE-2013-4371?
Users running Xen versions 4.2.x and 4.3.x are affected by CVE-2013-4371.
What causes CVE-2013-4371?
CVE-2013-4371 is caused by a use-after-free issue in the libxl_list_cpupool function when realloc fails under memory pressure.
What impact does CVE-2013-4371 have?
CVE-2013-4371 can lead to a denial of service, causing systems to crash and become unstable.

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vendor/xen
canonical/xen xen-unstable
version/xen xen-unstable/4.2.0
version/xen xen-unstable/4.2.1
version/xen xen-unstable/4.2.2
version/xen xen-unstable/4.2.3
version/xen xen-unstable/4.3.0

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