Bug 2226780 (CVE-2023-39190, ZDI-CAN-18568)

Summary: CVE-2023-39190 kernel: sch_qfq: net scheduler out-of-bounds write in qfq_update_agg()
Product: [Other] Security Response Reporter: Mauro Matteo Cascella <mcascell>
Component: vulnerabilityAssignee: Nobody <nobody>
Status: CLOSED DUPLICATE QA Contact:
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: unspecifiedCC: acaringi, allarkin, bhu, chwhite, crwood, cye, dbohanno, ddepaula, debarbos, dfreiber, drow, dvlasenk, ezulian, hkrzesin, jarod, jburrell, jdenham, jfaracco, jferlan, jforbes, jlelli, joe.lawrence, jpoimboe, jshortt, jstancek, jwyatt, kcarcia, ldoskova, lgoncalv, lleshchi, lzampier, nmurray, ptalbert, qzhao, rhandlin, rogbas, rparrazo, rrobaina, rvrbovsk, rysulliv, scweaver, security-response-team, tglozar, tyberry, vkumar, walters, wcosta, williams, wmealing, ycote, ykopkova, ymankad, zhijwang
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
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Doc Text:
[REJECTED CVE] An array index out-of-bounds write access was found in the Linux kernel in the qfq_update_agg() function, which belongs to the net scheduler QFQ (Quick Fair Queueing Plus). This flaw requires CAP_NET_ADMIN to be exploited and could lead to local privilege escalation.
Story Points: ---
Clone Of: Environment:
Last Closed: 2023-07-26 18:55:57 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:    
Bug Blocks: 2225771    

Description Mauro Matteo Cascella 2023-07-26 13:54:12 UTC
An array index out-of-bounds write access was found in the Linux kernel in the qfq_update_agg() function, which belongs to the net scheduler QFQ (Quick Fair Queueing Plus). This flaw requires CAP_NET_ADMIN to be exploited and could lead to local privilege escalation.

Comment 4 Mauro Matteo Cascella 2023-07-26 18:55:57 UTC

*** This bug has been marked as a duplicate of bug 2192671 ***