CVE-2016-6259 in Xen

Summary

Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention (SMAP) whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service (hypervisor and VM crash) by triggering a safety check.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

• Reservation: 07/20/2016
• Disclosure: 08/02/2016
• Moderation: VulDB entry created
• Entries: VDB-90368 (1)
• CPE: ready
• CWE: CWE-20 (Confirmed)
• CVSS: 6.2
• EPSS: 0.00266
• Activities: Very Low

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2016-6259
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-6259
• CVE Details: https://www.cvedetails.com/cve/CVE-2016-6259/