Bug 2262988 (CVE-2024-23196)

Summary:	CVE-2024-23196 kernel: Race condition in snd_hdac_regmap_sync() in sound/hda
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	acaringi, allarkin, aquini, bhu, chwhite, cye, cyin, dbohanno, debarbos, dfreiber, drow, dvlasenk, ezulian, hkrzesin, jarod, jburrell, jdenham, jfaracco, jforbes, jlelli, joe.lawrence, jshortt, jstancek, jwyatt, kcarcia, ldoskova, lgoncalv, lzampier, mleitner, mmilgram, mstowell, nmurray, ptalbert, rogbas, rparrazo, rrobaina, rvrbovsk, rysulliv, scweaver, sukulkar, tglozar, tyberry, vkumar, wcosta, williams, wmealing, ycote, ykopkova, zhijwang
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	kernel 6.5-rc1	Doc Type:	If docs needed, set a value
Doc Text:	A race condition was found in the Linux kernel's sound/hda device driver in the snd_hdac_regmap_sync() function. This issue can result in a NULL pointer dereference issue, possibly leading to kernel panic and local denial of service issues.	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:	2262989
Bug Blocks:	2262990

Description Pedro Sampaio 2024-02-06 12:58:29 UTC

A race condition was found in the Linux kernel's sound/hda  device driver in snd_hdac_regmap_sync() function. This can result in a null pointer dereference issue, possibly leading to a kernel panic or denial of service issue.

References:

https://bugzilla.openanolis.cn/show_bug.cgi?id=8148

Comment 1 Pedro Sampaio 2024-02-06 12:58:59 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2262989]

Comment 2 Pedro Sampaio 2024-02-06 12:59:34 UTC

No info available from references (private bug). Possible fixing commit:

https://github.com/torvalds/linux/commit/1f4a08fed450db87fbb5ff5105354158bdbe1a22