CVE-2016-2143
Summary
| CVE | CVE-2016-2143 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-04-27 17:59:08 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 7.8 HIGH from [email protected]
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Problem Types: CWE-20 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 2.0 | [email protected] | Primary | 6.9 | AV:L/AC:M/Au:N/C:C/I:C/A:C |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
NoneUser Interaction
RequiredScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
MediumAuthentication
NoneConfidentiality
CompleteIntegrity
CompleteAvailability
CompleteAV:L/AC:M/Au:N/C:C/I:C/A:C
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | rhn.redhat.com | Third Party Advisory |
| [security-announce] SUSE-SU-2016:1672-1: important: Security update for | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | Third Party Advisory |
| [security-announce] SUSE-SU-2016:2074-1: important: Security update for | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | Third Party Advisory |
| kernel/git/torvalds/linux.git - Linux kernel source tree | af854a3a-2127-422b-91ae-364da2661108 | git.kernel.org | Patch, Vendor Advisory |
| [security-announce] SUSE-SU-2016:1707-1: important: Security update for | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | Third Party Advisory |
| [security-announce] SUSE-SU-2016:1690-1: important: Security update for | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | Third Party Advisory |
| [security-announce] SUSE-SU-2016:1019-1: important: Security update for | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | Third Party Advisory |
| Oracle Linux Bulletin - July 2016 | af854a3a-2127-422b-91ae-364da2661108 | www.oracle.com | Third Party Advisory |
| Debian -- Security Information -- DSA-3607-1 linux | af854a3a-2127-422b-91ae-364da2661108 | www.debian.org | Third Party Advisory |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | rhn.redhat.com | Third Party Advisory |
| [security-announce] SUSE-SU-2016:1764-1: important: Security update for | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | Third Party Advisory |
| CVE-2016-2143 | af854a3a-2127-422b-91ae-364da2661108 | security-tracker.debian.org | Third Party Advisory |
| s390/mm: four page table levels vs. fork · torvalds/linux@3446c13 · GitHub | af854a3a-2127-422b-91ae-364da2661108 | github.com | Patch |
| Red Hat Customer Portal | MITRE | access.redhat.com | |
| Red Hat Customer Portal | MITRE | access.redhat.com | |
| CVE-2016-2143 - Red Hat Customer Portal | MITRE | access.redhat.com | |
| 1308908 – (CVE-2016-2143) CVE-2016-2143 kernel: Fork of large process causes memory corruption | MITRE | bugzilla.redhat.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.