Bug 2150993 (CVE-2022-3563)

Summary:	CVE-2022-3563 bluez: NULL pointer dereference in read_50_controller_cap_complete() in tools/mgmt-tester.c
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	darcari, dzickus, hwkernel-mgr, jburrell
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 vulnerability has been found in BlueZ. This issue affects the read_50_controller_cap_complete function of the tools/mgmt-tester.c file in the BlueZ component. A manipulation of the cap_len argument leads to null pointer dereference.	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:
Embargoed:
Bug Depends On:	2150994, 2151072, 2151073
Bug Blocks:	2150995

Description Guilherme de Almeida Suckevicz 2022-12-05 19:44:44 UTC

A vulnerability classified as problematic has been found in Linux Kernel. Affected is the function read_50_controller_cap_complete of the file tools/mgmt-tester.c of the component BlueZ. The manipulation of the argument cap_len leads to null pointer dereference. It is recommended to apply a patch to fix this issue. VDB-211086 is the identifier assigned to this vulnerability.

Reference:
https://vuldb.com/?id.211086

Upstream patch:
https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=e3c92f1f786f0b55440bd908b55894d0c792cf0e

Comment 1 Guilherme de Almeida Suckevicz 2022-12-05 19:44:58 UTC

Created bluez tracking bugs for this issue:

Affects: fedora-all [bug 2150994]