CVE-2014-1895

5.8 MEDIUM 0.5% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited from the same network segment with a login. High risk of service disruption.
Exploit odds: 0.5% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2014-04-01 06:35 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 00:05 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.5% in the next 30 days (EPSS).
Severity: 5.8 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2014-04-01 06:35 UTC
Last modified: 2026-06-17 00:05 UTC
Exploit probability: 0.5% · EPSS, next 30 days
Weakness: CWE-189
Record status: Modified

Affected

Xen 4.2.0
Xen 4.2.1
Xen 4.2.2
Xen 4.2.3
Xen 4.3.0
Xen 4.3.1

Attack profile CVSS 2.0 · 5.8

Attack vector: Adjacent network
Complexity: Medium
Authentication: Single
Confidentiality: Partial
Integrity: None
Availability: Complete

Raw vector

AV:A/AC:M/Au:S/C:P/I:N/A:C

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2014-1895.md and follow it. Check whether this project is affected by CVE-2014-1895. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

· More options · Status badge

Download Square Reddit

Fix and advisories

References

NVD record · CVE.org record