CVE-2016-2143

7.8 HIGH
Published: April 27, 2016 Modified: May 06, 2026
View on NVD

Description

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/mmu_context.h and arch/s390/include/asm/pgalloc.h.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3446c13b268af86391d06611327006b059b8bab1
Source: secalert@redhat.com
Patch Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00019.html
Source: secalert@redhat.com
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
Source: secalert@redhat.com
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
Source: secalert@redhat.com
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html
Source: secalert@redhat.com
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html
Source: secalert@redhat.com
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
Source: secalert@redhat.com
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1539.html
Source: secalert@redhat.com
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2766.html
Source: secalert@redhat.com
Third Party Advisory
http://www.debian.org/security/2016/dsa-3607
Source: secalert@redhat.com
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
Source: secalert@redhat.com
Third Party Advisory
https://github.com/torvalds/linux/commit/3446c13b268af86391d06611327006b059b8bab1
Source: secalert@redhat.com
Patch
https://security-tracker.debian.org/tracker/CVE-2016-2143
Source: secalert@redhat.com
Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3446c13b268af86391d06611327006b059b8bab1
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00019.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1539.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2766.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.debian.org/security/2016/dsa-3607
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://github.com/torvalds/linux/commit/3446c13b268af86391d06611327006b059b8bab1
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
https://security-tracker.debian.org/tracker/CVE-2016-2143
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

26 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
0.2%
38th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-20

Affected Vendors

oracle redhat linux debian

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