CVE-2017-10920

The grant-table feature in Xen through 4.8.x mishandles a GNTMAP_device_map and GNTMAP_host_map mapping, when followed by only a GNTMAP_host_map unmapping, which allows guest OS users to cause a denial of service (count mismanagement and memory corruption) or obtain privileged host OS access, aka XSA-224 bug 1.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
10 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 84%
VendorProductVersion
xenxen
𝑥
≤ 4.8.1
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
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.securitytracker.com/id/1038734
https://security.gentoo.org/glsa/201708-03
https://security.gentoo.org/glsa/201710-17
https://xenbits.xen.org/xsa/advisory-224.html
http://www.debian.org/security/2017/dsa-3969
http://www.securitytracker.com/id/1038734
https://security.gentoo.org/glsa/201708-03
https://security.gentoo.org/glsa/201710-17
https://xenbits.xen.org/xsa/advisory-224.html