Bug 2263856 (CVE-2023-52429)

Summary: CVE-2023-52429 kernel: missing check for struct in dm-table.c can cause a crash
Product: [Other] Security Response Reporter: ybuenos
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: 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, rkeshri, 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   
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in the md driver in the linux kernel. Due to a missing check for struct dm_ioctl.target_count, dm_table_create can attempt to allocate more bytes than intended, resulting in a crash.
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:
Bug Depends On: 2263891    
Bug Blocks: 2260037, 2263863    

Description ybuenos 2024-02-12 12:47:56 UTC
dm_table_create in drivers/md/dm-table.c in the Linux kernel through 6.7.4 can attempt to (in alloc_targets) allocate more than INT_MAX bytes, and crash, because of a missing check for struct dm_ioctl.target_count.


Comment 2 ybuenos 2024-02-12 15:58:33 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2263891]

Comment 5 Alex 2024-02-28 15:04:17 UTC
*** Bug 2260046 has been marked as a duplicate of this bug. ***