Vulnerability in Xen
CVE-2016-2271
VMX in Xen 4.6.x and earlier, when using an Intel or Cyrix CPU, allows local HVM guest users to cause a denial of service (guest crash) via vectors related to a non-canonical RIP.
EPSS: 0.004 (31.8th 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 4.6.0, 4.6.1
- N/a — versions n/a
Public proof-of-concept exploits
References
- cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)
- cve@mitre.org (vendor-advisory, x_refsource_FEDORA)
- cve@mitre.org (vendor-advisory, x_refsource_FEDORA)
- cve@mitre.org (vdb-entry, x_refsource_SECTRACK)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
- cve@mitre.org (x_refsource_CONFIRM)
- cve@mitre.org (vendor-advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2016-2271?
- CVE-2016-2271 is a medium-severity vulnerability in Xen. CVSS score: 5.5/10. Published 2016-02-19.
- How severe is CVE-2016-2271?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2016-2271 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.