Xen Grant Copy Race Condition Lets Local Administrative Users on a Guest System Cause the Host System to Crash
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SecurityTracker Alert ID: 1039653 |
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SecurityTracker URL: http://securitytracker.com/id/1039653
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CVE Reference:
CVE-2017-15597
(Links to External Site)
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Date: Oct 25 2017
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Impact:
Denial of service via network
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 4.5.x, 4.6.x, 4.7.x, 4.8.x, 4.9.x
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Description:
A vulnerability was reported in Xen. A local administrative user on the guest system can cause denial of service conditions on the host system.
A local administrative user on the guest system can trigger a race condition in certain grant copy operations to cause a memory corruption error in the hypervisor.
x86 and ARM systems are affected.
x86 PV and HVM guests are affected.
Pawel Wieczorkiewicz of Amazon reported this vulnerability.
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Impact:
A local administrative user on the guest system can cause denial of service conditions on the host system.
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Solution:
The vendor has issued a fix (xsa236-4.5.patch, xsa236-4.9.patch, and xsa236.patch).
The vendor advisory is available at:
https://xenbits.xen.org/xsa/advisory-236.html
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Vendor URL: xenbits.xen.org/xsa/advisory-236.html (Links to External Site)
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Cause:
Access control error, State error
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Underlying OS: Linux (Any)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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