Bug 1490421 (CVE-2017-14489)

Summary:	CVE-2017-14489 kernel: scsi: nlmsg is not properly parsed in iscsi_if_rx function
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	airlied, ajax, aquini, bhu, blc, bskeggs, carnil, dhoward, eparis, esandeen, fhrbata, hdegoede, hkrzesin, hwkernel-mgr, iboverma, ichavero, itamar, jarodwilson, jforbes, jkacur, jonathan, josef, jross, jwboyer, kent, kernel-maint, kernel-mgr, lgoncalv, linville, mchehab, mcressma, mjg59, mlangsdo, nmurray, quintela, rt-maint, rvrbovsk, srikar.betarapalli, vdronov, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:	The iscsi_if_rx() function in 'drivers/scsi/scsi_transport_iscsi.c' in the Linux kernel from v2.6.24-rc1 through 4.13.2 allows local users to cause a denial of service (a system panic) by making a number of certain syscalls by leveraging incorrect length validation in the kernel code.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-10-27 10:53:16 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:	1481997, 1487070, 1490423, 1494489, 1494490, 1494491
Bug Blocks:	1490424

Description Adam Mariš 2017-09-11 14:02:51 UTC

The iscsi_if_rx() function in 'drivers/scsi/scsi_transport_iscsi.c' in the Linux kernel since v2.6.24-rc1 through 4.13.2 allows local users to cause a denial of service (a system panic) by making a number of certain syscalls by leveraging incorrect length validation in the kernel code.

References:

http://seclists.org/oss-sec/2017/q3/506

A proposed upstream patch:

https://patchwork.kernel.org/patch/9923803/

Comment 1 Adam Mariš 2017-09-11 14:03:25 UTC

Acknowledgments:

Name: ChunYu Wang (Red Hat)

Comment 2 Adam Mariš 2017-09-11 14:04:54 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1490423]

Comment 7 Justin M. Forbes 2018-01-29 16:37:10 UTC

This was fixed for Fedora with the 4.13.5 stable updates