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 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."
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
LOCAL
HIGH
HIGH
CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 19%
VendorProductVersion
xenxen
𝑥
≤ 4.6.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
xen
bullseye
4.14.6-1
fixed
bullseye (security)
4.14.5+94-ge49571868d-1
fixed
bookworm
4.17.3+10-g091466ba55-1~deb12u1
fixed
sid
4.17.3+36-g54dacb5c02-1
fixed
trixie
4.17.3+36-g54dacb5c02-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
qemu
wily
not-affected
vivid
not-affected
trusty
not-affected
precise
dne
qemu-kvm
wily
dne
vivid
dne
trusty
dne
precise
not-affected
xen
wily
not-affected
vivid
not-affected
trusty
Fixed 4.4.2-0ubuntu0.14.04.4
released
precise
Fixed 4.1.6.1-0ubuntu0.12.04.8
released
Common Weakness Enumeration
References
http://support.citrix.com/article/CTX203879
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.securityfocus.com/bid/79579
http://www.securitytracker.com/id/1034481
http://xenbits.xen.org/xsa/advisory-164.html
https://security.gentoo.org/glsa/201604-03
http://support.citrix.com/article/CTX203879
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.securityfocus.com/bid/79579
http://www.securitytracker.com/id/1034481
http://xenbits.xen.org/xsa/advisory-164.html
https://security.gentoo.org/glsa/201604-03