What is CVE-2016-9377?

CVE-2016-9377 is a medium-severity vulnerability in Xen, classified under Incorrect Calculation. CVSS score: 5.5/10. Published 2017-02-22.

How severe is CVE-2016-9377?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Xen

CVE-2016-9377

Xen 4.5.x through 4.7.x on AMD systems without the NRip feature, when emulating instructions that generate software interrupts, allows local HVM guest OS users to cause a denial of service (guest crash) by leveraging IDT entry miscalculation.

EPSS: 0.004 (31.6th percentile) — read the EPSS interpretation.

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.

Affected products

Xen — versions 4.5.0, 4.5.1, 4.5.2
N/a — versions n/a

Weakness classification (CWE)

CWE-682 — Incorrect Calculation

References

cve@mitre.org (vendor-advisory, x_refsource_GENTOO)
cve@mitre.org (vdb-entry, x_refsource_BID)
cve@mitre.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
cve@mitre.org (vdb-entry, x_refsource_SECTRACK)

Frequently asked questions

What is CVE-2016-9377?: CVE-2016-9377 is a medium-severity vulnerability in Xen, classified under Incorrect Calculation. CVSS score: 5.5/10. Published 2017-02-22.
How severe is CVE-2016-9377?: Medium severity. CVSS v3 base score is 5.5 out of 10.