High severity · published Apr 14, 2016
CVE-2015-8554
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…
7.5
CVSS
0.4%
EPSS
No
On KEV
Description
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."
CVSS vector
CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XE
Xen · Xen
through 4.6.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-8554
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-8554
Vendor Advisory
http://support.citrix.com/article/CTX203879
www.oracle.com
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
www.securityfocus.com
http://www.securityfocus.com/bid/79579
www.securitytracker.com
http://www.securitytracker.com/id/1034481
Vendor Advisory
http://xenbits.xen.org/xsa/advisory-164.html
security.gentoo.org
https://security.gentoo.org/glsa/201604-03
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