Bug 2229691 (CVE-2023-4610)

Summary:	CVE-2023-4610 kernel: KASAN: slab-use-after-free Read in radix_tree_lookup while fuzzing Linux kernel 6.4-rc6 with syzkaller.
Product:	[Other] Security Response	Reporter:	Alex <allarkin>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	acaringi, allarkin, asavkov, bhu, chwhite, crwood, cye, dbohanno, ddepaula, debarbos, dfreiber, dvlasenk, ezulian, hkrzesin, jarod, jburrell, jdenham, jfaracco, jferlan, jforbes, jlelli, joe.lawrence, jshortt, jstancek, jwyatt, kcarcia, ldoskova, lgoncalv, lleshchi, lzampier, nmurray, ptalbert, qzhao, rkeshri, 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:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A use-after-free flaw was found in radix_tree_lookup in ./lib/radix-tree.c in the Radix tree node cache in the Linux Kernel. This issue could allow a local attacker to crash the system and could lead to a kernel information leak problem.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-10-31 13:53:58 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:	2229695, 2229696, 2229697, 2229698
Bug Blocks:	2229690

Description Alex 2023-08-07 10:36:57 UTC

A use-after-free flaw was found in radix_tree_lookup in ./lib/radix-tree.c in Radix tree node cache in the Linux Kernel. This flaw could allow a local attacker to crash the system, and could even lead to a kernel information leak problem.

Reference:
https://www.spinics.net/lists/kernel/msg4920917.html

Comment 11 Mauro Matteo Cascella 2023-10-24 13:00:07 UTC

Note that this CVE is in the process of being disputed. See https://bugzilla.suse.com/show_bug.cgi?id=1215932.

Comment 12 Mauro Matteo Cascella 2023-10-31 14:08:02 UTC

The CVE has been rejected.

CVE-2023-4610
├─ State:       REJECTED
├─ Owning CNA:  redhat
└─ Reserved on: Tue Aug 29 17:48:53 2023