Bug 2064113 (CVE-2022-26878)

Summary:	CVE-2022-26878 kernel: Memory leak in Linux VirtIO Bluetooth driver
Product:	[Other] Security Response	Reporter:	Sandipan Roy <saroy>
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, bskeggs, chwhite, crwood, dhoward, dvlasenk, fhrbata, hdegoede, hkrzesin, hpa, jarod, jarodwilson, jburrell, jfaracco, jforbes, jglisse, jlelli, joe.lawrence, jonathan, josef, jshortt, jstancek, jwboyer, jwyatt, kcarcia, kernel-maint, kernel-mgr, lgoncalv, linville, lzampier, masami256, mchehab, nmurray, ptalbert, qzhao, rkeshri, rvrbovsk, scweaver, steved, vkumar, walters, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	kernel 5.17 rc1	Doc Type:	If docs needed, set a value
Doc Text:	A memory leak problem was found in the virtbt_rx_handle in drivers/bluetooth/virtio_bt.c in the Linux kernel. This flaw allows a local attacker to cause a denial of service on the reception of packets with an invalid packet type.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-12-04 02:17:09 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:	2073836, 2073837, 2076180, 2076181
Bug Blocks:	2064114

Description Sandipan Roy 2022-03-15 05:35:56 UTC

A memory leak problem was found in virtbt_rx_handle in drivers/bluetooth/virtio_bt.c in the Linux kernel. This flaw may allow a local attacker to cause a denial of service on the reception of packets with an invalid packet type.

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1d0688421449718c6c5f46e458a378c9b530ba18
https://lore.kernel.org/linux-bluetooth/1A203F5E-FB5E-430C-BEA3-86B191D69D58@holtmann.org/
http://www.openwall.com/lists/oss-security/2022/03/11/1

Comment 12 Product Security DevOps Team 2022-12-04 02:17:05 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-2022-26878