CVE-2017-17045

HIGH

Xen < 4.9.1 - Use-After-Free via Populate on Demand P2M Error Handling

Title source: llm
STIX 2.1

Description

An issue was discovered in Xen through 4.9.x allowing HVM guest OS users to gain privileges on the host OS, obtain sensitive information, or cause a denial of service (BUG and host OS crash) by leveraging the mishandling of Populate on Demand (PoD) Physical-to-Machine (P2M) errors.

References (8)

Core 8
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/102013
Mailing List mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/10/msg00021.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1039879
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/102129
Mailing List mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/01/msg00003.html
Issue Tracking, Mitigation, Patch, Vendor Advisory x_refsource_confirm
https://xenbits.xen.org/xsa/advisory-247.html
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201801-14
Issue Tracking, Third Party Advisory x_refsource_confirm
https://support.citrix.com/article/CTX230138

Scores

CVSS v3 8.8
EPSS 0.0007
EPSS Percentile 21.1%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (1)
xen/xen < 4.9.1
Published Nov 28, 2017
Tracked Since Feb 18, 2026