Bug 2266826 (CVE-2021-46974)

Summary: CVE-2021-46974 kernel: bpf: Fix masking negation logic upon negative dst register
Product: [Other] Security Response Reporter: Avinash Hanwate <ahanwate>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
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, scweaver, sidakwo, sukulkar, tglozar, vkumar, wcosta, williams, wmealing, ycote, ykopkova, zhijwang
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: kernel 4.14.233, kernel 4.19.190, kernel 5.4.117, kernel 5.10.35, kernel 5.11.19, kernel 5.12.2, kernel 5.13 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:
Embargoed:
Bug Depends On: 2266827    
Bug Blocks: 2266839    

Description Avinash Hanwate 2024-02-29 06:59:08 UTC 
In the Linux kernel, the following vulnerability has been resolved:

bpf: Fix masking negation logic upon negative dst register

The Linux kernel CVE team has assigned CVE-2021-46974 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024022721-CVE-2021-46974-0852@gregkh/T/#u
Comment 1 Avinash Hanwate 2024-02-29 06:59:43 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2266827]
Comment 5 Justin M. Forbes 2024-03-01 22:25:34 UTC 
This was fixed for Fedora with the 5.11.19 stable kernel updates.