6.3 Medium
AI Score
Confidence
Low
0.008 Low
EPSS
Percentile
82.3%
The grant-table feature in Xen through 4.8.x provides false mapping information in certain cases of concurrent unmap calls, which allows backend attackers to obtain sensitive information or gain privileges, aka XSA-218 bug 1.
www.debian.org/security/2017/dsa-3969
www.securityfocus.com/bid/99411
www.securitytracker.com/id/1038722
security.gentoo.org/glsa/201708-03
security.gentoo.org/glsa/201710-17
xenbits.xen.org/xsa/advisory-218.html