Servers and applications
CVE-2011-1780
The instruction emulation in Xen 3.0.3 allows local SMP guest users to cause a denial of service (host crash) by replacing the instruction that causes the VM to exit in one thread with a different instruction in a different thread.
- Severity
- Medium 6.1
- Published
- 7 Jan 2014
- Last changed
- 16 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Exploit chance
- 0.7% in the next 30 daysHigher than 53% of CVEs. EPSS by FIRST, 12 Nov 2026
- Attack
- From the same local network · No login needed
- Attacker can
- Take it down
- CVSS vector
AV:A/AC:L/Au:N/C:N/I:N/A:C- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
XenServers and applications · cpe:o:xen:xen |
|