Bug 1458270 (CVE-2017-9373)

Summary: CVE-2017-9373 Qemu: ide: ahci host memory leakage during hotunplug
Product: [Other] Security Response Reporter: Prasad J Pandit <ppandit>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: ailan, apevec, areis, chrisw, cvsbot-xmlrpc, ddepaula, drjones, imammedo, jen, jjoyce, jschluet, kbasil, knoel, lhh, lpeer, markmc, mkenneth, mrezanin, mst, pbonzini, ppandit, rbryant, rkrcmar, sclewis, srevivo, tdecacqu, virt-maint, vkuznets, xen-maint
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard: impact=low,public=20170316,reported=20161110,source=researcher,cvss2=2.3/AV:A/AC:M/Au:S/C:N/I:N/A:P,cvss3=3.0/CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:L,cwe=CWE-772,rhel-5/kvm=notaffected,rhel-5/xen=notaffected,rhel-6/qemu-kvm=notaffected,rhel-6/qemu-kvm-rhev=notaffected,rhel-7/qemu-kvm=wontfix,rhel-7/qemu-kvm-rhev=wontfix,openstack-5-rhel6/qemu-kvm-rhev=notaffected,openstack-5-rhel7/qemu-kvm-rhev=wontfix,openstack-6/qemu-kvm-rhev=affected,openstack-7/qemu-kvm-rhev=affected,openstack-8/qemu-kvm-rhev=affected,fedora-all/qemu=affected,fedora-all/xen=affected,openstack-9/qemu-kvm-rhev=affected,openstack-10/qemu-kvm-rhev=affected,openstack-11/qemu-kvm-rhev=affected
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Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---
Bug Depends On: 1476049, 1476068, 1476069, 1476072, 1476074, 1476077    
Bug Blocks: 1393753, 1476084    

Description Prasad J Pandit 2017-06-02 12:25:10 UTC
Quick emulator built with the IDE AHCI Emulation support is vulnerable to a
host memory leakage issue. It could occur while hot-unplugging the AHCI device.

A privileged user inside guest could use this flaw to leak host memory
resulting in DoS.

Upstream patch:
---------------
  -> http://git.qemu.org/?p=qemu.git;a=commitdiff;h=d68f0f778e7f4fbd674627274267f269e40f0b04

Reference:
----------
  -> http://www.openwall.com/lists/oss-security/2017/06/05/1

Comment 1 Prasad J Pandit 2017-06-02 12:25:37 UTC
Acknowledgments:

Name: Li Qiang (Qihoo 360 Gear Team)

Comment 4 errata-xmlrpc 2017-08-02 01:01:42 UTC
This issue has been addressed in the following products:

  Red Hat OpenStack Platform 10.0 (Newton)
  Red Hat OpenStack Platform 11.0 (Ocata)
  Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7
  Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7
  Red Hat OpenStack Platform 8.0 (Liberty)
  Red Hat OpenStack Platform 9.0 (Mitaka)

Via RHSA-2017:2408 https://access.redhat.com/errata/RHSA-2017:2408

Comment 5 errata-xmlrpc 2017-08-02 04:50:11 UTC
This issue has been addressed in the following products:

  RHEV 4.X RHEV-H and Agents for RHEL-7

Via RHSA-2017:2392 https://access.redhat.com/errata/RHSA-2017:2392