Vulnerability in Xen

CVE-2016-9817

Xen through 4.7.x allows local ARM guest OS users to cause a denial of service (host crash) via vectors involving a (1) data or (2) prefetch abort with the ESR_EL2.EA bit set.

EPSS: 0.005 (37.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.

Affected products

  • Xen — versions 4.7.0, 4.7.1
  • N/a — versions n/a

Weakness classification (CWE)

References

  • cve@mitre.org (x_refsource_CONFIRM, Patch, Mitigation, Vendor Advisory)
  • cve@mitre.org (vendor-advisory, x_refsource_GENTOO)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
  • cve@mitre.org (vdb-entry, x_refsource_SECTRACK)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory, Mitigation)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2016-9817?
CVE-2016-9817 is a medium-severity vulnerability in Xen, classified under Improper Access Control. CVSS score: 6.5/10. Published 2017-02-27.
How severe is CVE-2016-9817?
Medium severity. CVSS v3 base score is 6.5 out of 10.