VulnerabilityModified
CVE-2016-3960
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.
HIGH 8.8EPSS 0.46%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.46%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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
- 8.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 0.46% probability · 38th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- xen/xen · fedoraproject/fedora · oracle/vm server
- Source
- cve@mitre.org
References
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183275.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183350.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184209.htmlThird 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.htmlVendor Advisory
- http://www.securityfocus.com/bid/86318
- http://www.securitytracker.com/id/1035587
- http://xenbits.xen.org/xsa/advisory-173.htmlPatch, Vendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183275.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183350.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184209.htmlThird 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.htmlVendor Advisory
- http://www.securityfocus.com/bid/86318
- http://www.securitytracker.com/id/1035587
- http://xenbits.xen.org/xsa/advisory-173.htmlPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.