CVE-2016-2143

HIGH

Linux Kernel < 4.5 - Denial of Service via Fork Implementation on s390 Platforms

Title source: llm
STIX 2.1

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.

References (13)

Core 13
Core References
Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2016-2766.html
Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html
Third Party Advisory x_refsource_confirm
https://security-tracker.debian.org/tracker/CVE-2016-2143
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2016/dsa-3607
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2016-1539.html
Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html
Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00019.html
Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html

Scores

CVSS v3 7.8
EPSS 0.0056
EPSS Percentile 42.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-20
Status published
Products (6)
debian/debian_linux 6.0
debian/debian_linux 7.0
debian/debian_linux 8.0
linux/linux_kernel 2.6.25 - 3.2.79
oracle/linux 7 0
redhat/enterprise_linux 7.0
Published Apr 27, 2016
Tracked Since Feb 18, 2026