CVE-2017-10913

HIGH

Description

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.

References

http://www.debian.org/security/2017/dsa-3969

http://www.securityfocus.com/bid/99411

http://www.securitytracker.com/id/1038722

https://security.gentoo.org/glsa/201708-03

https://security.gentoo.org/glsa/201710-17

https://xenbits.xen.org/xsa/advisory-218.html

Details

Source: MITRE

Published: 2017-07-05

Updated: 2017-11-04

Type: CWE-264

Risk Information

CVSS v2.0

Base Score: 7.5

Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P)

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3.0

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL