Bug 2215838 (CVE-2023-35826)

Summary: CVE-2023-35826 kernel: cedrus: race condition leading to use-after-free in cedrus_remove()
Product: [Other] Security Response Reporter: TEJ RATHI <trathi>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: acaringi, allarkin, bhu, chwhite, crwood, dbohanno, ddepaula, debarbos, dfreiber, dvlasenk, ezulian, hkrzesin, jarod, jburrell, jdenham, jfaracco, jferlan, jforbes, jlelli, joe.lawrence, jshortt, jstancek, jwyatt, kcarcia, kernel-mgr, ldoskova, lgoncalv, lleshchi, lzampier, nmurray, ptalbert, qzhao, rogbas, rrobaina, rvrbovsk, rysulliv, scweaver, tyberry, vkumar, walters, wcosta, williams, wmealing, ycote, ymankad
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: kernel 6.4-rc1 Doc Type: If docs needed, set a value
Doc Text:
A race condition was found in the Linux kernel's Allwinner Cedrus VPU driver when removing the module before cleanup in the cedrus_remove function. This can result in a use-after-free issue, possibly leading to a system crash or other undefined behaviors.
Story Points: ---
Clone Of: Environment:
Last Closed: 2023-06-19 20:39:05 UTC 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: 2186161    
Bug Blocks: 2215849    

Comment 1 Mauro Matteo Cascella 2023-06-20 08:49:16 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2186161]