Bug 1627731 (CVE-2018-16658)

Summary:	CVE-2018-16658 kernel: Information leak in cdrom_ioctl_drive_status
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	abhgupta, acaringi, airlied, aquini, bhu, blc, bskeggs, dbaker, dhoward, dvlasenk, ewk, fhrbata, hdegoede, hkrzesin, hwkernel-mgr, iboverma, ichavero, itamar, jarodwilson, jforbes, jglisse, jkacur, john.j5live, jokerman, jonathan, josef, jross, jstancek, jwboyer, kernel-maint, kernel-mgr, labbott, lgoncalv, linville, lwang, matt, mchehab, mcressma, mjg59, mlangsdo, mlombard, nmurray, plougher, pmatouse, revers, rt-maint, rvrbovsk, skozina, steved, sthangav, trankin, vdronov, williams
Target Milestone:	---	Keywords:	Reopened, Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	An information leak was discovered in the Linux kernel in cdrom_ioctl_drive_status() function in drivers/cdrom/cdrom.c that could be used by local attackers to read kernel memory at certain location.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-10 10:37:42 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:	1578207, 1627732, 1628143, 1628160, 1628161, 1628162, 1628163, 1628164
Bug Blocks:	1627733

Description Andrej Nemec 2018-09-11 11:08:23 UTC

An information leak was discovered in the Linux kernel in cdrom_ioctl_drive_status() function in drivers/cdrom/cdrom.c that could be used by local attackers to read kernel memory at certain location.

An upstream patch:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8f3fafc9c2f0ece10832c25f7ffcb07c97a32ad4

Comment 2 Vladis Dronov 2018-09-12 11:14:16 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1628143]

Comment 9 errata-xmlrpc 2019-08-06 12:04:22 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:2029 https://access.redhat.com/errata/RHSA-2019:2029

Comment 10 errata-xmlrpc 2019-08-06 12:06:44 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:2043 https://access.redhat.com/errata/RHSA-2019:2043

Comment 13 errata-xmlrpc 2019-12-10 12:02:24 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:4154 https://access.redhat.com/errata/RHSA-2019:4154