CVE-2017-12193

Aliases:DEBIAN-CVE-2017-12193
Advisory lineage Upstream: 0 Downstream: 20
Modified
Published: 22 Nov 2017, 18:00
Last modified:05 Aug 2024, 18:28

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.0 (nvd)
EPSS Score
0.45% LOW
0% probability +0.38%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

22 Nov 2017, 18:00
Published
Vulnerability first disclosed
05 Aug 2024, 18:28
Last Modified
Vulnerability information updated

Description

The assoc_array_insert_into_terminal_node function in lib/assoc_array.c in the Linux kernel before 4.13.11 mishandles node splitting, which allows local users to cause a denial of service (NULL pointer dereference and panic) via a crafted application, as demonstrated by the keyring key type, and key addition and link creation operations.

CVSS Metrics

  • v3.0•MEDIUM•Score: 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 0.45%• Percentile: 39%

Techniques & Countermeasures

  • CWE-476•NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • debian•linux

    < 4.13.13-1 | < 4.13.13-1 | < 4.13.13-1 | < 4.13.13-1

  • linux•linux_kernel

    < 4.13.11

References (9)