High severity · published Apr 27, 2016
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…
7.8
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
2.6.25 before 3.2.79; 3.3 before 3.12.58; 3.13 before 3.16.35; 3.17 before 4.1.21; 4.2 before 4.4.6 · source: NVD
DL
Debian Linux · Debian
6.0; 7.0; 8.0 · source: NVD
EL
Enterprise Linux · Redhat
7.0 · source: NVD
LI
Linux · Oracle
7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-2143
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-2143
Patch
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3446c13b268af86391d06611327006b059b8bab1
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00019.html
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html
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