Bug 2151270 (CVE-2022-43750)

Summary:	CVE-2022-43750 kernel: memory corruption in usbmon driver
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
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, allarkin, bhu, chwhite, crwood, ddepaula, debarbos, dfreiber, dvlasenk, ezulian, hkrzesin, jarod, jburrell, jfaracco, jferlan, jforbes, jlelli, joe.lawrence, jshortt, jstancek, jwyatt, kcarcia, kernel-mgr, kyoneyam, kyoshida, lgoncalv, lleshchi, lzampier, nmurray, ptalbert, qzhao, rogbas, rvrbovsk, scweaver, security-response-team, tyberry, vkumar, walters, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	An out-of-bounds memory write flaw in the Linux kernel’s USB Monitor component was found in how a user with access to the /dev/usbmon can trigger it by an incorrect write to the memory of the usbmon. This flaw allows a local user to crash or potentially escalate their privileges on the system.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-05-16 22:34:11 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:	2151271, 2157697, 2157698, 2157699, 2157700, 2161212, 2161213
Bug Blocks:	2137773

Description Guilherme de Almeida Suckevicz 2022-12-06 14:49:11 UTC

drivers/usb/mon/mon_bin.c in usbmon in the Linux kernel before 5.19.15 and 6.x before 6.0.1 allows a user-space client to corrupt the monitor's internal memory.

Reference and upstream patch:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a659daf63d16aa883be42f3f34ff84235c302198

Comment 1 Guilherme de Almeida Suckevicz 2022-12-06 14:49:38 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2151271]

Comment 2 Justin M. Forbes 2022-12-08 15:56:49 UTC

This was fixed for Fedora with the 5.19.15 stable kernel updates.

Comment 11 errata-xmlrpc 2023-04-25 13:26:22 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2023:1987 https://access.redhat.com/errata/RHSA-2023:1987

Comment 12 errata-xmlrpc 2023-04-25 13:26:31 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2023:1988 https://access.redhat.com/errata/RHSA-2023:1988

Comment 13 errata-xmlrpc 2023-05-09 07:12:38 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 14 errata-xmlrpc 2023-05-09 07:51:05 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 15 errata-xmlrpc 2023-05-16 08:05:56 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2023:2736 https://access.redhat.com/errata/RHSA-2023:2736

Comment 16 errata-xmlrpc 2023-05-16 08:34:40 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2023:2951 https://access.redhat.com/errata/RHSA-2023:2951

Comment 17 Product Security DevOps Team 2023-05-16 22:34:07 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-2022-43750

Comment 20 errata-xmlrpc 2024-01-24 16:42:57 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Extended Update Support

Via RHSA-2024:0412 https://access.redhat.com/errata/RHSA-2024:0412