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Bug 1458744 - (CVE-2017-9375) CVE-2017-9375 Qemu: usb: xhci infinite recursive call via xhci_kick_ep
CVE-2017-9375 Qemu: usb: xhci infinite recursive call via xhci_kick_ep
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
impact=low,public=20170202,reported=2...
: Security
Depends On: 1458747 1476049 1476068 1476069 1476072 1476074 1476077
Blocks: 1353474 1476084
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Reported: 2017-06-05 07:29 EDT by Prasad J Pandit
Modified: 2018-07-18 11:23 EDT (History)
38 users (show)

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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2017:2392 normal SHIPPED_LIVE Important: qemu-kvm-rhev security, bug fix, and enhancement update 2017-08-01 16:04:36 EDT
Red Hat Product Errata RHSA-2017:2408 normal SHIPPED_LIVE Moderate: qemu-kvm-rhev security and bug fix update 2017-08-01 21:17:55 EDT

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Description Prasad J Pandit 2017-06-05 07:29:57 EDT 
Quick emulator(Qemu) built with the USB xHCI controller emulator support is
vulnerable to an infinite recursive call loop issue. It could occur while
processing control transfer descriptors' sequence in xhci_kick_epctx.

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

Upstream patch:
---------------
  -> http://git.qemu.org/?p=qemu.git;a=commitdiff;h=96d87bdda3919bb16f754b3d3fd1227e1f38f13c

Reference:
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  -> http://www.openwall.com/lists/oss-security/2017/06/05/2
Comment 1 Prasad J Pandit 2017-06-05 07:30:02 EDT 
Acknowledgments:

Name: Li Qiang (Qihoo 360 Gear Team)
Comment 2 Prasad J Pandit 2017-06-05 07:33:35 EDT 
Created qemu tracking bugs for this issue:

Affects: fedora-all [bug 1458747]
Comment 5 errata-xmlrpc 2017-08-01 21:01:57 EDT 
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 6 errata-xmlrpc 2017-08-02 00:50:28 EDT 
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
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