CVE-2016-2143

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.

CVSS v3.0 7.8 HIGH
CVSS v2.0 6.9 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

Vector : AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:M/Au:N/C:C/I:C/A:C

Exploitability : 3.4 / Impact : 10.0

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/torvalds/linux/commit/3446c13b268af86391d06611327006b059b8bab1
https://security-tracker.debian.org/tracker/CVE-2016-2143
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3446c13b268af86391d06611327006b059b8bab1	Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html
http://rhn.redhat.com/errata/RHSA-2016-1539.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
http://www.debian.org/security/2016/dsa-3607
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00019.html
http://rhn.redhat.com/errata/RHSA-2016-2766.html

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:4.4:rc8:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:7.0:::::::*
	cpe:2.3:o:debian:debian_linux:8.0:::::::*

Information

Published : 2016-04-27 17:59

Updated : 2018-01-05 02:30

NVD link : CVE-2016-2143

Mitre link : CVE-2016-2143

JSON object : View

Products Affected

linux

linux_kernel

debian

debian_linux

CWE

CWE-20

Improper Input Validation

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