CVE-2016-9932
low
CVSS v3
3.3
CVSS v4 NEW
—
VIR risk
3.3
Description
CMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 systems allows local HVM guest OS users to obtain sensitive information from host stack memory via a "supposedly-ignored" operand size prefix.
Predictions
Exploit likelihood
34%
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
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 4.8.0~rc3-1 |
| sid | Fixed | 4.8.0~rc3-1 |
| forky | Fixed | 4.8.0~rc3-1 |
| bullseye | Fixed | 4.8.0~rc3-1 |
| bookworm | Fixed | 4.8.0~rc3-1 |
References
- http://www.debian.org/security/2017/dsa-3847
- http://www.securityfocus.com/bid/94863
- http://www.securitytracker.com/id/1037468
- http://xenbits.xen.org/xsa/advisory-200.html
- https://security.gentoo.org/glsa/201612-56
- https://support.citrix.com/article/CTX219378
- https://www.suse.com/security/cve/CVE-2016-9932.html
- https://security-tracker.debian.org/tracker/CVE-2016-9932
CWEs
CWE-200
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.