CVE-2016-2143: Input Validation

Published Apr 27, 2016
·
Updated

The fork implementation in the Linux kernel before 4.5 on s390 platforms mishandles the case of four page-table levels, which allows local users to cause a denial of service (system crash) or possibly have unspecified other impact via a crafted application, related to arch/s390/include/asm/mmucontext.h and arch/s390/include/asm/pgalloc.h.

Affected Software

12 affected componentsFixes available
Linux Linux kernel>=2.6.25<3.2.79
Linux Linux kernel>=3.3<3.12.58
Linux Linux kernel>=3.13<3.16.35
Linux Linux kernel>=3.17<4.1.21
Linux Linux kernel>=4.2<4.4.6
Debian Debian Linux=6.0
Debian Debian Linux=7.0
Debian Debian Linux=8.0
redhat Enterprise Linux=7.0
Oracle Linux=7-0
Linux Linux kernel=4.4-rc8
debian/linux
5.10.223-15.10.249-16.1.159-16.1.162-16.12.63-16.12.73-16.18.9-16.18.12-1

Event History

Apr 27, 2016
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
Description
Feb 19, 2026
Data Sourced
via Debian·04:36 PM
DescriptionAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2016-2143?

CVE-2016-2143 is classified as a high severity vulnerability due to its potential to cause a system crash.

2

How do I fix CVE-2016-2143?

To remediate CVE-2016-2143, upgrade to a kernel version that is equal to or greater than 4.5.

3

Who is affected by CVE-2016-2143?

CVE-2016-2143 primarily affects local users on s390 platforms running vulnerable versions of the Linux kernel.

4

What impact can CVE-2016-2143 have?

CVE-2016-2143 can lead to a denial of service, resulting in system crashes for those affected.

5

What versions of the Linux kernel are affected by CVE-2016-2143?

CVE-2016-2143 affects Linux kernel versions below 4.5.

Contact

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