CVE-2023-6915

Advisory lineage Upstream: 0 Downstream: 25
Modified
Published: 15 Jan 2024, 09:32
Last modified:06 Nov 2025, 19:47

Vulnerability Summary

Overall Risk (default)
medium
25/100
CVSS Score
6.2 MEDIUM
v3.1 (cve.org)
EPSS Score
0.01% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

15 Jan 2024, 09:32
Published
Vulnerability first disclosed
06 Nov 2025, 19:47
Last Modified
Vulnerability information updated

Description

A Null pointer dereference problem was found in ida_free in lib/idr.c in the Linux Kernel. This issue may allow an attacker using this library to cause a denial of service problem due to a missing check at a function return.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.2CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.01%• Percentile: 1%

Techniques & Countermeasures

  • CWE-476•NULL Pointer Dereference

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

Affected Systems

  • linux•linux_kernel

    < 6.7 | 6.7:rc7 | 6.7:rc8

  • redhat•enterprise_linux

    8.0 | 9.0

References (7)