CVE-2023-6915

Kernel: null pointer dereference vulnerability in ida_free in lib/idr.c

MEDIUM
5.5
CVSS Score
Published: January 15, 2024 at 09:32 AM UTC
Updated: October 23, 2026 at 02:20 PM UTC
24 products affected across 3 vendorsLinux KernelDebian LinuxEnterprise Linux

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476

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