Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2014-8594

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).

Published

2014-11-19T18:59:10.533

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.4 (MEDIUM)

CVSSv2 Vector

AV:N/AC:H/Au:N/C:N/I:N/A:C

  • Access Vector: NETWORK
  • Access Complexity: HIGH
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

4.9

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System opensuse opensuse 13.1 Yes
Operating System opensuse opensuse 13.2 Yes
Operating System debian debian_linux 7.0 Yes
Operating System xen xen 4.0.0 Yes
Operating System xen xen 4.0.1 Yes
Operating System xen xen 4.0.2 Yes
Operating System xen xen 4.0.3 Yes
Operating System xen xen 4.0.4 Yes
Operating System xen xen 4.1.0 Yes
Operating System xen xen 4.1.1 Yes
Operating System xen xen 4.1.2 Yes
Operating System xen xen 4.1.3 Yes
Operating System xen xen 4.1.4 Yes
Operating System xen xen 4.1.5 Yes
Operating System xen xen 4.1.6.1 Yes
Operating System xen xen 4.2.0 Yes
Operating System xen xen 4.2.1 Yes
Operating System xen xen 4.2.2 Yes
Operating System xen xen 4.2.3 Yes
Operating System xen xen 4.3.0 Yes
Operating System xen xen 4.3.1 Yes
References