CVEvulnerability

CVE-2017-10917

9.1 CRITICAL Published 2017-07-05 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2017-07-05
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
9.1 CRITICAL — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS 2.0 ([email protected])
9.4 HIGH — AV:N/AC:L/Au:N/C:C/I:N/A:C
Weaknesses
CWE-476

Description

Xen through 4.8.x does not validate the port numbers of polled event channel ports, which allows guest OS users to cause a denial of service (NULL pointer dereference and host OS crash) or possibly obtain sensitive information, aka XSA-221.

Affected configurations

• xen xen (<= 4.8.1)

Related

Weakness · CWE (1)

  • CWE-476 NULL Pointer Dereference weakness

References