First published: Tue Apr 01 2014(Updated: )
Off-by-one error in the flask_security_avc_cachestats function in xsm/flask/flask_op.c in Xen 4.2.x and 4.3.x, when the maximum number of physical CPUs are in use, allows local users to cause a denial of service (host crash) or obtain sensitive information from hypervisor memory by leveraging a FLASK_AVC_CACHESTAT hypercall, which triggers a buffer over-read.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Xen Xen | =4.2.0 | |
Xen Xen | =4.2.1 | |
Xen Xen | =4.2.2 | |
Xen Xen | =4.2.3 | |
Xen Xen | =4.3.0 | |
Xen Xen | =4.3.1 |
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