Bug 2271790 (CVE-2024-26647)

Summary:	CVE-2024-26647 kernel: drm/amd/display: Fix late dereference 'dsc' check in 'link_set_dsc_pps_packet()'
Product:	[Other] Security Response	Reporter:	Mauro Matteo Cascella <mcascell>
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, esandeen, ezulian, hkrzesin, jarod, jburrell, jdenham, jfaracco, jforbes, jlelli, joe.lawrence, jshortt, jstancek, jwyatt, kcarcia, ldoskova, lgoncalv, lzampier, mleitner, mmilgram, mstowell, nmurray, ptalbert, rparrazo, rrobaina, rvrbovsk, rysulliv, scweaver, sidakwo, 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 6.6.15, kernel 6.7.3, kernel 6.8	Doc Type:	If docs needed, set a value
Doc Text:		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:	2271791
Bug Blocks:	2271782

Description Mauro Matteo Cascella 2024-03-27 11:26:49 UTC

In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Fix late derefrence &#39;dsc&#39; check in &#39;link_set_dsc_pps_packet()&#39;

The Linux kernel CVE team has assigned CVE-2024-26647 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/20240326175007.1388794-15-lee@kernel.org/T

Comment 1 Mauro Matteo Cascella 2024-03-27 11:27:25 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2271791]

Comment 5 Justin M. Forbes 2024-03-27 20:33:51 UTC

This was fixed for Fedora with the 6.7.3 stable kernel updates.