CVE-2015-8554
Publication date 14 April 2016
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
Buffer overflow in hw/pt-msi.c in Xen 4.6.x and earlier, when using the qemu-xen-traditional (aka qemu-dm) device model, allows local x86 HVM guest administrators to gain privileges by leveraging a system with access to a passed-through MSI-X capable physical PCI device and MSI-X table entries, related to a "write path."
Status
Package | Ubuntu Release | Status |
---|---|---|
qemu | ||
14.04 LTS trusty |
Not affected
|
|
qemu-kvm | ||
14.04 LTS trusty | Not in release | |
xen | ||
14.04 LTS trusty |
Fixed 4.4.2-0ubuntu0.14.04.4
|
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 · High |
Attack vector | Local |
Attack complexity | High |
Privileges required | High |
User interaction | None |
Scope | Changed |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H |