Bug 2139610 (CVE-2022-3640)

Summary:	CVE-2022-3640 kernel: use after free flaw in l2cap_conn_del in net/bluetooth/l2cap_core.c
Product:	[Other] Security Response	Reporter:	Rohit Keshri <rkeshri>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	acaringi, adscvr, airlied, alciregi, bhu, brdeoliv, bskeggs, chwhite, crwood, ddepaula, debarbos, dvlasenk, ezulian, hdegoede, hkrzesin, hpa, jarod, jarodwilson, jburrell, jfaracco, jferlan, jforbes, jglisse, jlelli, joe.lawrence, jonathan, josef, jshortt, jstancek, jwboyer, jwyatt, kcarcia, kernel-maint, kernel-mgr, lgoncalv, linville, lleshchi, lzampier, masami256, mchehab, nmurray, ptalbert, qzhao, rvrbovsk, scweaver, steved, tyberry, vkumar, walters, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	---
Doc Text:	A vulnerability was found in the Linux Kernel in the l2cap_conn_del in net/bluetooth/l2cap_core.c function in the Bluetooth component. This issue leads to a use-after-free problem.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-05-09 17:15:05 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:	2139614, 2139615, 2139616, 2139617, 2139618, 2140026
Bug Blocks:	2137103

Description Rohit Keshri 2022-11-03 05:27:52 UTC

A vulnerability, which was classified as critical, was found in Linux Kernel. Affected is the function l2cap_conn_del of the file net/bluetooth/l2cap_core.c of the component Bluetooth. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211944.

https://vuldb.com/?id.211944
https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=42cf46dea905a80f6de218e837ba4d4cc33d6979

Comment 1 Rohit Keshri 2022-11-03 05:45:16 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2139614]

Comment 8 errata-xmlrpc 2023-05-09 07:12:13 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:2148 https://access.redhat.com/errata/RHSA-2023:2148

Comment 9 errata-xmlrpc 2023-05-09 07:51:52 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:2458 https://access.redhat.com/errata/RHSA-2023:2458

Comment 10 Product Security DevOps Team 2023-05-09 17:15:00 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2022-3640

Comment 11 errata-xmlrpc 2023-11-14 15:14:36 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2023:6901 https://access.redhat.com/errata/RHSA-2023:6901

Comment 12 errata-xmlrpc 2023-11-14 15:20:15 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2023:7077 https://access.redhat.com/errata/RHSA-2023:7077

Comment 15 errata-xmlrpc 2024-04-18 02:29:31 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Extended Update Support

Via RHSA-2024:1877 https://access.redhat.com/errata/RHSA-2024:1877

Comment 17 errata-xmlrpc 2024-04-30 16:59:17 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Extended Update Support

Via RHSA-2024:2621 https://access.redhat.com/errata/RHSA-2024:2621