vulnwire
7.5high

CVE-2016-9637

The (1) ioport_read and (2) ioport_write functions in Xen, when qemu is used as a device model within Xen, might allow local x86 HVM guest…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 30%
Public exploits
0
none known

The (1) ioport_read and (2) ioport_write functions in Xen, when qemu is used as a device model within Xen, might allow local x86 HVM guest OS administrators to gain qemu process privileges via vectors involving an out-of-range ioport access.

Exploit prediction (EPSS)

0.36% probability of exploitation in the next 30 days, higher than 30% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
NVD2.03.7AV:L/AC:H/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

  • securityfocus.com /bid/94699 · vdb-entry, x_refsource_BID, x_transferred
  • security.gentoo.org /glsa/201612-56 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • support.citrix.com /article/CTX219136 · x_refsource_CONFIRM, x_transferred
  • lists.debian.org /debian-lts-announce/2018/02/msg00005.html · mailing-list, x_refsource_MLIST, x_transferred
  • xenbits.xen.org /xsa/advisory-199.html · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1037397 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2963.html · vendor-advisory, x_refsource_REDHAT, x_transferred

Sources

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