CVE-2023-6679

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

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Se encontró una vulnerabilidad de desreferencia de puntero nulo en dpll_pin_parent_pin_set() en drivers/dpll/dpll_netlink.c en el subsistema Digital Phase Locked Loop (DPLL) en el kernel de Linux. Este problema podría aprovecharse para provocar una denegación de servicio.

*Credits: Red Hat would like to thank Xingyuan Mo ((IceSword Lab)) for reporting this issue.

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-12-11 CVE Reserved
2023-12-11 CVE Published
2024-11-23 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-476: NULL Pointer Dereference

CAPEC

References (8)

URL	Tag	Source
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7LSPIOMIJYTLZB6QKPQVVAYSUETUWKPF
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LBVHM4LGMFIHBN4UBESYRFMYX3WUICV5

URL	Date	SRC

URL	Date	SRC
https://lore.kernel.org/netdev/20231211083758.1082853-1-jiri@resnulli.us	2024-02-06

URL	Date	SRC
https://access.redhat.com/errata/RHSA-2024:0439	2024-02-06
https://access.redhat.com/errata/RHSA-2024:0448	2024-02-06
https://access.redhat.com/errata/RHSA-2024:0461	2024-02-06
https://access.redhat.com/security/cve/CVE-2023-6679	2024-01-25
https://bugzilla.redhat.com/show_bug.cgi?id=2253986	2024-01-25

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				-		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				38 Search vendor "Fedoraproject" for product "Fedora" and version "38"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				9.0 Search vendor "Redhat" for product "Enterprise Linux" and version "9.0"		-		Affected