Description
The xen_biovec_phys_mergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block IO merge-ability calculation.
References (10)
Scores
CVSS v3
8.8
EPSS
0.0034
EPSS Percentile
56.7%
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-682
Status
published
Products (7)
citrix/xenserver
6.0.2
citrix/xenserver
6.2.0
citrix/xenserver
6.5
citrix/xenserver
7.0
citrix/xenserver
7.1
citrix/xenserver
7.2
xen/xen
Published
Aug 24, 2017
Tracked Since
Feb 18, 2026