CVE-2017-7228

high

Description

An issue (known as XSA-212) was discovered in Xen, with fixes available for 4.8.x, 4.7.x, 4.6.x, 4.5.x, and 4.4.x. The earlier XSA-29 fix introduced an insufficient check on XENMEM_exchange input, allowing the caller to drive hypervisor memory accesses outside of the guest provided input/output arrays.

References

https://googleprojectzero.blogspot.com/2017/04/pandavirtualization-exploiting-xen.html

http://www.securityfocus.com/bid/97375

http://www.debian.org/security/2017/dsa-3847

http://openwall.com/lists/oss-security/2017/04/04/3

https://www.exploit-db.com/exploits/41870/

https://github.com/QubesOS/qubes-secpack/blob/master/QSBs/qsb-029-2017.txt

http://xenbits.xen.org/xsa/advisory-212.html

http://www.securitytracker.com/id/1038223

Details

Source: Mitre, NVD

Published: 2017-04-04

Updated: 2025-04-20

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.2

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

Severity: High

EPSS

EPSS: 0.01282