CVE-2016-2143

Advisory lineage Upstream: 0 Downstream: 16
Modified
Published: 27 Apr 2016, 17:00
Last modified:05 Aug 2024, 23:17

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
0.17% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

27 Apr 2016, 17:00
Published
Vulnerability first disclosed
05 Aug 2024, 23:17
Last Modified
Vulnerability information updated

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 Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 6.9AV:L/AC:M/Au:N/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 0.17%• Percentile: 38%

Techniques & Countermeasures

  • CWE-20•Improper Input Validation

    The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Affected Systems

  • debian•debian_linux

    6.0 | 7.0 | 8.0

  • linux•linux_kernel

    ≥ 2.6.25, < 3.2.79 | ≥ 3.3, < 3.12.58 | ≥ 3.13, < 3.16.35 | ≥ 3.17, < 4.1.21 | ≥ 4.2, < 4.4.6

  • oracle•linux

    7:0

  • redhat•enterprise_linux

    7.0

References (13)