Bug 2253986 (CVE-2023-6679)

Summary:	CVE-2023-6679 kernel: NULL pointer dereference in dpll_pin_parent_pin_set() in drivers/dpll/dpll_netlink.c
Product:	[Other] Security Response	Reporter:	Rohit Keshri <rkeshri>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	acaringi, allarkin, bhu, chwhite, cye, cyin, dbohanno, debarbos, dvlasenk, ezulian, gsuckevi, hkrzesin, jarod, jdenham, jfaracco, jforbes, jlelli, joe.lawrence, jshortt, jstancek, jwyatt, kcarcia, ldoskova, lgoncalv, lzampier, mstowell, nmurray, ptalbert, rparrazo, rrobaina, rvrbovsk, scweaver, tglozar, wcosta, williams, wmealing, ycote, ykopkova, zhijwang
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	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.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2253987
Bug Blocks:	2253988

Description Rohit Keshri 2023-12-11 11:55:49 UTC

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

Refer:
https://lore.kernel.org/netdev/20231211083758.1082853-1-jiri@resnulli.us/

Comment 1 Rohit Keshri 2023-12-11 12:02:14 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2253987]

Comment 9 errata-xmlrpc 2024-01-24 16:29:19 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:0461 https://access.redhat.com/errata/RHSA-2024:0461

Comment 10 errata-xmlrpc 2024-01-24 16:36:37 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Extended Update Support

Via RHSA-2024:0439 https://access.redhat.com/errata/RHSA-2024:0439

Comment 11 errata-xmlrpc 2024-01-24 16:38:33 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Extended Update Support

Via RHSA-2024:0448 https://access.redhat.com/errata/RHSA-2024:0448