CVE-2014-1895 in Security
Summary
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.
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Reservation
02/07/2014
Disclosure
04/01/2014
Status
Confirmed
Entries
VulDB provides additional information and datapoints for this CVE:
| ID | Vulnerability | CWE | Exp | Cou | CVE |
|---|---|---|---|---|---|
| 12236 | Xen Security Hypercall FLASK_AVC_CACHESTAT numeric error | 189 | Unproven | Official fix | CVE-2014-1895 |