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Vulnerability record · CVE-2016-3960 · published 19 April 2016

CVE-2016-3960: Xen permissions and access controls vulnerability

Xen · Xen

Integer overflow in the x86 shadow pagetable code in Xen allows local guest OS users to cause a denial of service (host crash) or possibly gain privileges by shadowing a superpage mapping.

8.8 CVSS 3.0 High EPSS 0.46% · top 63.0% CWE-264 · Permissions and access controls
8.8CVSS 3.0 base score, v2 7.2
0.46%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
18References
17 Jun 2026Last modified by NVD

Description

Integer overflow in the x86 shadow pagetable code in Xen allows local guest OS users to cause a denial of service (host crash) or possibly gain privileges by shadowing a superpage mapping.

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183275.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183350.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184209.html Third Party Advisory
http://support.citrix.com/article/CTX209443
http://www.debian.org/security/2016/dsa-3554
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html Vendor Advisory
http://www.securityfocus.com/bid/86318
http://www.securitytracker.com/id/1035587
http://xenbits.xen.org/xsa/advisory-173.html PatchVendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183275.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183350.html Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184209.html Third Party Advisory
http://support.citrix.com/article/CTX209443
http://www.debian.org/security/2016/dsa-3554
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html Vendor Advisory
http://www.securityfocus.com/bid/86318
http://www.securitytracker.com/id/1035587
http://xenbits.xen.org/xsa/advisory-173.html PatchVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2016-3960), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.