CVE-2018-7541

HIGH

Xen < 4.10.0 - Denial of Service or Privilege Escalation via Grant-Table Transition

Title source: llm
STIX 2.1

Description

An issue was discovered in Xen through 4.10.x allowing guest OS users to cause a denial of service (hypervisor crash) or gain privileges by triggering a grant-table transition from v2 to v1.

References (9)

Core 9
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/103177
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201810-06
Mailing List mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/11/msg00013.html
Vendor Advisory x_refsource_confirm
https://xenbits.xen.org/xsa/advisory-255.html
Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/03/msg00003.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1040775
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4131
Vendor Advisory x_refsource_confirm
https://support.citrix.com/article/CTX232655
Vendor Advisory x_refsource_confirm
https://support.citrix.com/article/CTX232096

Scores

CVSS v3 8.8
EPSS 0.0009
EPSS Percentile 25.7%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Details

Status published
Products (2)
debian/debian_linux 9.0
xen/xen < 4.10.0
Published Feb 27, 2018
Tracked Since Feb 18, 2026