CVE-2017-10917

Xen through 4.8.x does not validate the port numbers of polled event channel ports, which allows guest OS users to cause a denial of service (NULL pointer dereference and host OS crash) or possibly obtain sensitive information, aka XSA-221.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.1 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 73%
VendorProductVersion
xenxen
𝑥
≤ 4.8.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
xen
bullseye
4.14.6-1
fixed
wheezy
not-affected
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
zesty
Fixed 4.8.0-1ubuntu2.2
released
yakkety
Fixed 4.7.2-0ubuntu1.3
released
xenial
Fixed 4.6.5-0ubuntu1.2
released
trusty
Fixed 4.4.2-0ubuntu0.14.04.12
released
Common Weakness Enumeration
References
http://www.debian.org/security/2017/dsa-3969
http://www.securityfocus.com/bid/99157
http://www.securitytracker.com/id/1038731
https://security.gentoo.org/glsa/201708-03
https://xenbits.xen.org/xsa/advisory-221.html
http://www.debian.org/security/2017/dsa-3969
http://www.securityfocus.com/bid/99157
http://www.securitytracker.com/id/1038731
https://security.gentoo.org/glsa/201708-03
https://xenbits.xen.org/xsa/advisory-221.html