CVE-2016-5011: Medium severity util-linux vulnerability

Published Apr 11, 2017
·
Updated

The parsedosextended function in partitions/dos.c in the libblkid library in util-linux allows physically proximate attackers to cause a denial of service (memory consumption) via a crafted MSDOS partition table with an extended partition boot record at zero offset.

Affected Software

19 affected components
kernel util-linux<=2.28
redhat Enterprise Linux Desktop=7.0
redhat Enterprise Linux Eus=7.3
redhat Enterprise Linux Eus=7.4
redhat Enterprise Linux Eus=7.5
redhat Enterprise Linux Eus=7.6
redhat Enterprise Linux Eus=7.7
redhat Enterprise Linux Server=7.0
redhat Enterprise Linux Server Aus=7.3
redhat Enterprise Linux Server Aus=7.4
redhat Enterprise Linux Server Aus=7.6
redhat Enterprise Linux Server Aus=7.7
redhat Enterprise Linux Server Tus=7.3
redhat Enterprise Linux Server Tus=7.6
redhat Enterprise Linux Server Tus=7.7
redhat Enterprise Linux Workstation=7.0
IBM PowerKVM=2.1
IBM PowerKVM=3.1
IBM Power Hardware Management Console=8.8.6.0

Event History

Apr 11, 2017
CVE Published
via MITRE·03:00 PM
Data Sourced
via MITRE·03:00 PM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2016-5011?

CVE-2016-5011 has been assigned a medium severity rating due to its potential for causing denial of service through memory consumption.

2

How do I fix CVE-2016-5011?

To fix CVE-2016-5011, update the libblkid library in util-linux to a version greater than 2.28 or apply any appropriate patches from your distribution vendor.

3

Who is affected by CVE-2016-5011?

CVE-2016-5011 affects systems running versions of util-linux up to 2.28, and certain versions of Red Hat Enterprise Linux and IBM PowerKVM.

4

What type of vulnerability is CVE-2016-5011?

CVE-2016-5011 is a denial of service vulnerability caused by improper handling of crafted MSDOS partition tables.

5

Can CVE-2016-5011 be exploited remotely?

CVE-2016-5011 requires local access to exploit, as it involves physically proximate attackers manipulating partition tables.

Contact

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