CVE-2016-9637
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
Description
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.
Predictions
Exploit likelihood
73%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 0 |
| debian | sid | fixed | 0 |
| debian | trixie | fixed | 0 |
References
- http://rhn.redhat.com/errata/RHSA-2016-2963.html
- http://www.securityfocus.com/bid/94699
- http://www.securitytracker.com/id/1037397
- http://xenbits.xen.org/xsa/advisory-199.html
- https://lists.debian.org/debian-lts-announce/2018/02/msg00005.html
- https://security.gentoo.org/glsa/201612-56
- https://support.citrix.com/article/CTX219136
- https://www.suse.com/security/cve/CVE-2016-9637.html
- https://security-tracker.debian.org/tracker/CVE-2016-9637
CWEs
CWE-264
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.