Bug 1117275 (CVE-2018-19489) - VUL-1: CVE-2018-19489: kvm,qemu: QEMU: 9pfs: crash due to race condition in renaming files
Summary: VUL-1: CVE-2018-19489: kvm,qemu: QEMU: 9pfs: crash due to race condition in r...
Status: RESOLVED FIXED
Alias: CVE-2018-19489
Product: SUSE Security Incidents
Classification: Novell Products
Component: Incidents (show other bugs)
Version: unspecified
Hardware: Other Other
: P4 - Low : Minor
Target Milestone: ---
Assignee: Bruce Rogers
QA Contact: Security Team bot
URL: https://smash.suse.de/issue/219628/
Whiteboard: CVSSv3:RedHat:CVE-2018-19489:2.8:(AV:...
Keywords:
Depends on:
Blocks:
 
Reported: 2018-11-26 09:26 UTC by Marcus Meissner
Modified: 2021-05-27 12:47 UTC (History)
2 users (show)

See Also:
Found By: Security Response Team
Services Priority:
Business Priority:
Blocker: ---
Marketing QA Status: ---
IT Deployment: ---


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Description Marcus Meissner 2018-11-26 09:26:04 UTC
rh#1653156

A use-after-free flaw was found in the VirtFS, host directory sharing via Plan 9
File System(9pfs) support in QEMU. It could occur due to a race condition while renaming
files on a shared host directory.

A user inside guest could use this flaw to crash the QEMU process resulting in DoS issue.

Upstream patch:
---------------
  -> https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg04489.html

Reference:
----------
  -> https://www.openwall.com/lists/oss-security/2018/11/26/1

References:
https://bugzilla.redhat.com/show_bug.cgi?id=1653156
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-19489
http://seclists.org/oss-sec/2018/q4/182
https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg04489.html
Comment 1 Bruce Rogers 2019-01-10 17:47:20 UTC
This fix is needed for all of our supported qemu/kvm packages since SLE11-SP3. The fix is in v3.1.0 qemu, so not needed for openSUSE:Factory or SLE15-SP1.

Fix is commit 1d203986
Comment 2 Bruce Rogers 2019-01-25 23:18:26 UTC
Fix is checked in for the following releases:
SLE15
SLE12-SP4
SLE12-SP3
SLE12-SP2
SLE12-SP1
SLE12
SLE11-SP4
SLE11-SP3

That should take care of all of our SLE releases.
Comment 4 Swamp Workflow Management 2019-02-15 14:14:02 UTC
SUSE-SU-2019:13962-1: An update that solves three vulnerabilities and has one errata is now available.

Category: security (important)
Bug References: 1109544,1116717,1117275,1123156
CVE References: CVE-2018-19364,CVE-2018-19489,CVE-2019-6778
Sources used:
SUSE Linux Enterprise Server 11-SP4 (src):    kvm-1.4.2-60.21.1
Comment 5 Swamp Workflow Management 2019-02-18 20:13:50 UTC
SUSE-SU-2019:0423-1: An update that solves 5 vulnerabilities and has 7 fixes is now available.

Category: security (important)
Bug References: 1063993,1079730,1100408,1101982,1112646,1114957,1116717,1117275,1119493,1121600,1123156,1123179
CVE References: CVE-2018-16872,CVE-2018-18954,CVE-2018-19364,CVE-2018-19489,CVE-2019-6778
Sources used:
SUSE Linux Enterprise Module for Server Applications 15 (src):    qemu-2.11.2-9.20.1
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 (src):    qemu-2.11.2-9.20.1, qemu-linux-user-2.11.2-9.20.1
SUSE Linux Enterprise Module for Basesystem 15 (src):    qemu-2.11.2-9.20.1
Comment 6 Swamp Workflow Management 2019-02-19 17:14:00 UTC
SUSE-SU-2019:0435-1: An update that solves 5 vulnerabilities and has 7 fixes is now available.

Category: security (important)
Bug References: 1063993,1079730,1100408,1101982,1112646,1114957,1116717,1117275,1119493,1121600,1123156,1123179
CVE References: CVE-2018-16872,CVE-2018-18954,CVE-2018-19364,CVE-2018-19489,CVE-2019-6778
Sources used:
SUSE Linux Enterprise Server 12-SP4 (src):    qemu-2.11.2-5.8.1
SUSE Linux Enterprise Desktop 12-SP4 (src):    qemu-2.11.2-5.8.1
Comment 7 Swamp Workflow Management 2019-02-21 11:10:47 UTC
SUSE-SU-2019:0457-1: An update that fixes three vulnerabilities is now available.

Category: security (important)
Bug References: 1116717,1117275,1123156
CVE References: CVE-2018-19364,CVE-2018-19489,CVE-2019-6778
Sources used:
SUSE Linux Enterprise Server 12-LTSS (src):    qemu-2.0.2-48.49.3
Comment 8 Swamp Workflow Management 2019-02-22 17:10:00 UTC
SUSE-SU-2019:0471-1: An update that fixes four vulnerabilities is now available.

Category: security (important)
Bug References: 1116717,1117275,1119493,1123156
CVE References: CVE-2018-16872,CVE-2018-19364,CVE-2018-19489,CVE-2019-6778
Sources used:
SUSE Linux Enterprise Server 12-SP1-LTSS (src):    qemu-2.3.1-33.20.1
Comment 9 Swamp Workflow Management 2019-02-26 11:13:40 UTC
SUSE-SU-2019:0489-1: An update that fixes 7 vulnerabilities is now available.

Category: security (important)
Bug References: 1084604,1113231,1116717,1117275,1119493,1123156
CVE References: CVE-2017-13672,CVE-2017-13673,CVE-2018-16872,CVE-2018-19364,CVE-2018-19489,CVE-2018-7858,CVE-2019-6778
Sources used:
SUSE OpenStack Cloud 7 (src):    qemu-2.6.2-41.49.1
SUSE Linux Enterprise Server for SAP 12-SP2 (src):    qemu-2.6.2-41.49.1
SUSE Linux Enterprise Server 12-SP2-LTSS (src):    qemu-2.6.2-41.49.1
SUSE Linux Enterprise Server 12-SP2-BCL (src):    qemu-2.6.2-41.49.1
SUSE Enterprise Storage 4 (src):    qemu-2.6.2-41.49.1
Comment 10 Swamp Workflow Management 2019-02-27 11:22:39 UTC
openSUSE-SU-2019:0254-1: An update that solves 5 vulnerabilities and has 7 fixes is now available.

Category: security (important)
Bug References: 1063993,1079730,1100408,1101982,1112646,1114957,1116717,1117275,1119493,1121600,1123156,1123179
CVE References: CVE-2018-16872,CVE-2018-18954,CVE-2018-19364,CVE-2018-19489,CVE-2019-6778
Sources used:
openSUSE Leap 15.0 (src):    qemu-2.11.2-lp150.7.18.1, qemu-linux-user-2.11.2-lp150.7.18.1, qemu-testsuite-2.11.2-lp150.7.18.1
Comment 11 Swamp Workflow Management 2019-03-11 23:10:11 UTC
SUSE-SU-2019:0582-1: An update that solves 8 vulnerabilities and has two fixes is now available.

Category: security (important)
Bug References: 1056334,1056386,1084604,1113231,1114957,1116717,1117275,1119493,1121600,1123156
CVE References: CVE-2017-13672,CVE-2017-13673,CVE-2018-16872,CVE-2018-18954,CVE-2018-19364,CVE-2018-19489,CVE-2018-7858,CVE-2019-6778
Sources used:
SUSE Linux Enterprise Server 12-SP3 (src):    qemu-2.9.1-6.28.1
SUSE Linux Enterprise Desktop 12-SP3 (src):    qemu-2.9.1-6.28.1
SUSE CaaS Platform ALL (src):    qemu-2.9.1-6.28.1
SUSE CaaS Platform 3.0 (src):    qemu-2.9.1-6.28.1
Comment 12 Swamp Workflow Management 2019-03-28 23:10:32 UTC
openSUSE-SU-2019:1074-1: An update that solves 8 vulnerabilities and has two fixes is now available.

Category: security (important)
Bug References: 1056334,1056386,1084604,1113231,1114957,1116717,1117275,1119493,1121600,1123156
CVE References: CVE-2017-13672,CVE-2017-13673,CVE-2018-16872,CVE-2018-18954,CVE-2018-19364,CVE-2018-19489,CVE-2018-7858,CVE-2019-6778
Sources used:
openSUSE Leap 42.3 (src):    qemu-2.9.1-56.1, qemu-linux-user-2.9.1-56.1, qemu-testsuite-2.9.1-56.2

*** NOTE: This information is not intended to be used for external
    communication, because this may only be a partial fix.
    If you have questions please reach out to maintenance coordination.
Comment 13 Swamp Workflow Management 2019-04-27 22:15:18 UTC
SUSE-SU-2019:0471-2: An update that fixes four vulnerabilities is now available.

Category: security (important)
Bug References: 1116717,1117275,1119493,1123156
CVE References: CVE-2018-16872,CVE-2018-19364,CVE-2018-19489,CVE-2019-6778
Sources used:
SUSE Linux Enterprise Server for SAP 12-SP1 (src):    qemu-2.3.1-33.20.1

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.