CVE-2018-19963

EUVD-2018-11633
An issue was discovered in Xen 4.11 allowing HVM guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because x86 IOREQ server resource accounting (for external emulators) was mishandled.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
HIGH
LOW
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 15%
Affected Products (NVD)
VendorProductVersion
xenxen
4.11.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
xen
bookworm
4.17.3+10-g091466ba55-1~deb12u1
fixed
bullseye
4.14.6-1
fixed
bullseye (security)
4.14.5+94-ge49571868d-1
fixed
jessie
not-affected
sid
4.17.3+36-g54dacb5c02-1
fixed
stretch
not-affected
trixie
4.17.3+36-g54dacb5c02-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
xen
bionic
not-affected
cosmic
ignored
disco
not-affected
trusty
dne
xenial
not-affected
Common Weakness Enumeration
References
http://www.securityfocus.com/bid/106182
https://xenbits.xen.org/xsa/advisory-276.html
http://www.securityfocus.com/bid/106182
https://xenbits.xen.org/xsa/advisory-276.html