CVE-2023-6679

Kernel: null pointer dereference in dpll_pin_parent_pin_set() in drivers/dpll/dpll_netlink.c

MEDIUM
5.5
CVSS Score
Published: December 11, 2023 at 06:31 PM UTC
Updated: June 17, 2026 at 06:51 AM UTC
3 products affected across 3 vendorsLinux KernelFedoraEnterprise Linux

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%

Description

A null pointer dereference vulnerability was found in dpll_pin_parent_pin_set() in drivers/dpll/dpll_netlink.c in the Digital Phase Locked Loop (DPLL) subsystem in the Linux kernel. This issue could be exploited to trigger a denial of service.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
Vendor states this is fixed in 0:5.14.0-284.48.1.el9_2 (unaffected)
Vendor states this is fixed in 0:5.14.0-284.48.1.rt14.333.el9_2 (unaffected)
Vendor states this is fixed in 0:5.14.0-362.18.1.el9_3 (unaffected)
Vendor states this is fixed in 6 (unaffected)
Vendor states this is fixed in 7 (unaffected)
Vendor states this is fixed in 8 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

5.5MEDIUMredhat
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

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