CVE-2019-17347

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because a guest can manipulate its virtualised %cr4 in a way that is incompatible with Linux (and possibly other guest kernels).
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 35%
VendorProductVersion
xenxen
4.1.0 ≤
𝑥
≤ 4.11.2
debiandebian_linux
9.0
debiandebian_linux
10.0
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
xen
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
ignored
hirsute
ignored
groovy
ignored
focal
not-affected
eoan
ignored
disco
ignored
bionic
needed
xenial
needed
trusty
dne
Common Weakness Enumeration
References
http://www.openwall.com/lists/oss-security/2019/10/25/8
http://xenbits.xen.org/xsa/advisory-293.html
https://seclists.org/bugtraq/2020/Jan/21
https://www.debian.org/security/2020/dsa-4602
https://xenbits.xen.org/xsa/advisory-293.html
http://www.openwall.com/lists/oss-security/2019/10/25/8
http://xenbits.xen.org/xsa/advisory-293.html
https://seclists.org/bugtraq/2020/Jan/21
https://www.debian.org/security/2020/dsa-4602
https://xenbits.xen.org/xsa/advisory-293.html