CVE-2014-1895 - CVE House
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Status published Medium CVE-2014-1895

Off-by-one error in the flask_security_avc_cachestats function in xsm/flask/flask_op.c in Xen...

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

xen
Vulnerable Versions:
4.2.0, 4.2.1, 4.2.2, 4.2.3, 4.3.0, 4.3.1

Timeline

Official Publish: April 1st, 2014
Last Modified: August 6th, 2024
Added to House: July 19th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.