Servers and applications
CVE-2012-3496
XENMEM_populate_physmap in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when translating paging mode is not used, allows local PV OS guest kernels to cause a denial of service (BUG triggered and host crash) via invalid flags such as MEMF_populate_on_demand.
- Severity
- Medium 4.7
- Published
- 23 Nov 2012
- Last changed
- 16 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Exploit chance
- 0.4% in the next 30 daysHigher than 36% of CVEs. EPSS by FIRST, 12 Nov 2026
- Weakness
- CWE-16
- Attack
- Needs local access · No login needed
- Attacker can
- Take it down
- CVSS vector
AV:L/AC:M/Au:N/C:N/I:N/A:C- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
XenServers and applications · cpe:o:xen:xen |
|