NULL pointer dereference in Citrix Xenserver
CVE-2016-10025
VMFUNC emulation in Xen 4.6.x through 4.8.x on x86 systems using AMD virtualization extensions (aka SVM) allows local HVM guest OS users to cause a denial of service (hypervisor crash) by leveraging a missing NULL pointer check.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (36.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Citrix Xenserver — versions 6.0.2, 6.2.0, 6.5
- Xen — versions 4.6.0, 4.6.1, 4.6.3
Weakness classification (CWE)
References
- www.securityfocus.com/bid/95026 (VDB Entry, Third Party Advisory, vdb-entry)
- xenbits.xen.org/xsa/advisory-203.html (Patch, Vendor Advisory)
- support.citrix.com/article/CTX219378 (Patch, Third Party Advisory)
- www.securitytracker.com/id/1037518 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2016-10025?
- CVE-2016-10025 is a medium-severity vulnerability in Citrix Xenserver, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2017-01-26.
- How severe is CVE-2016-10025?
- Medium severity. CVSS v3 base score is 5.5 out of 10.