Bug 2272786 (CVE-2024-26662)

Summary: CVE-2024-26662 kernel: drm/amd/display: 'panel_cntl' could be null in 'dcn21_set_backlight_level()'
Product: [Other] Security Response Reporter: Mauro Matteo Cascella <mcascell>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
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Priority: low    
Version: unspecifiedCC: 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, vsroka, wcosta, williams, wmealing, ycote, ykopkova, zhijwang
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: kernel 6.6.17, kernel 6.7.5, kernel 6.8 Doc Type: If docs needed, set a value
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 2272787    
Bug Blocks: 2272924    

Description Mauro Matteo Cascella 2024-04-02 23:09:04 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Fix &#39;panel_cntl&#39; could be null in &#39;dcn21_set_backlight_level()&#39;

The Linux kernel CVE team has assigned CVE-2024-26662 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024040223-CVE-2024-26662-863c@gregkh/T
Comment 1 Mauro Matteo Cascella 2024-04-02 23:09:40 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2272787]
Comment 3 Justin M. Forbes 2024-04-03 16:50:25 UTC 
This was fixed for Fedora with the 6.7.5 stable kernel updates.
Comment 5 errata-xmlrpc 2024-11-12 09:21:08 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:9315 https://access.redhat.com/errata/RHSA-2024:9315