Linux Kernel KVM pmd_none_or_clear_bad() Bug Lets Local Guest Users Cause Denial of Service Conditions on the Host System
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SecurityTracker Alert ID: 1027084 |
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SecurityTracker URL: http://securitytracker.com/id/1027084
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CVE Reference:
CVE-2012-1179
(Links to External Site)
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Date: May 22 2012
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Impact:
Denial of service via local system
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): prior to 3.3.1
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Description:
A vulnerability was reported in the Linux Kernel. A local user on the guest operating system can cause denial of service conditions on the host operating system.
A local privileged user on the guest operating system can exploit a flaw in the KVM pmd_none_or_clear_bad() function to cause the target host operating system to crash.
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Impact:
A local user on the guest operating system can cause the target host operating system to crash.
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Solution:
The vendor has issued a fix (3.3.1).
The vendor's advisory is available at:
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.1
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Vendor URL: www.kernel.org/ (Links to External Site)
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Cause:
Access control error
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Underlying OS:
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Message History:
None.
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Source Message Contents
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[Original Message Not Available for Viewing]
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