Servers and applications
CVE-2011-2519
Xen in the Linux kernel, when running a guest on a host without hardware assisted paging (HAP), allows guest users to cause a denial of service (invalid pointer dereference and hypervisor crash) via the SAHF instruction.
- Severity
- Medium 5.5
- Published
- 27 Dec 2013
- Last changed
- 16 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Fixed in
- 3.3.0
- Exploit chance
- 0.7% in the next 30 daysHigher than 52% of CVEs. EPSS by FIRST, 12 Nov 2026
- Attack
- From the same local network · Needs a login
- Attacker can
- Take it down
- CVSS vector
AV:A/AC:L/Au:S/C:N/I:N/A:C- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
XenServers and applications · cpe:o:xen:xen |
|