CVEvulnerability

CVE-2014-8594

5.4 MEDIUM Published 2014-11-19 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2014-11-19
Last modified
2026-06-17
Assigner
[email protected]
CVSS 2.0 ([email protected])
5.4 MEDIUM — AV:N/AC:H/Au:N/C:N/I:N/A:C
Weaknesses
CWE-20

Description

The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).

Affected configurations

• opensuse opensuse 13.1 • opensuse opensuse 13.2 • debian debian linux 7.0 • xen xen 4.0.0 • xen xen 4.0.1 • xen xen 4.0.2 • xen xen 4.0.3 • xen xen 4.0.4 • xen xen 4.1.0 • xen xen 4.1.1 • xen xen 4.1.2 • xen xen 4.1.3 • xen xen 4.1.4 • xen xen 4.1.5 • xen xen 4.1.6.1 • xen xen 4.2.0 • xen xen 4.2.1 • xen xen 4.2.2 • xen xen 4.2.3 • xen xen 4.3.0 • xen xen 4.3.1

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References