CVEvulnerability
CVE-2017-14319
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2017-09-12
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 8.8 HIGH — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
Description
A grant unmapping issue was discovered in Xen through 4.9.x. When removing or replacing a grant mapping, the x86 PV specific path needs to make sure page table entries remain in sync with other accounting done. Although the identity of the page frame was validated correctly, neither the presence of the mapping nor page writability were taken into account.
Affected configurations
• xen xen (<= 4.9.0)
References
- http://www.securityfocus.com/bid/100819 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039351 Third Party Advisory, VDB Entry
- http://xenbits.xen.org/xsa/advisory-234.html Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html lists.debian.org
- https://support.citrix.com/article/CTX227185 support.citrix.com
- https://www.debian.org/security/2017/dsa-4050 www.debian.org
- http://www.securityfocus.com/bid/100819 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039351 Third Party Advisory, VDB Entry
- http://xenbits.xen.org/xsa/advisory-234.html Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html lists.debian.org
- https://support.citrix.com/article/CTX227185 support.citrix.com
- https://www.debian.org/security/2017/dsa-4050 www.debian.org