VULNERABILITY INTELLIGENCE

CVE-2011-2519

CVSS score5.5 MEDIUM
EPSS probability0.67%
CISA KEVNot currently listed
Published2013-12-27
Last modified2026-06-16
CVSS vectorAV:A/AC:L/Au:S/C:N/I:N/A:C

Description

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.

Weakness classification

  • CWE-476: NULL Pointer Dereference

Primary references