CVEvulnerability
CVE-2018-19962
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2018-12-08
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 7.8 HIGH — CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.9 MEDIUM — AV:L/AC:M/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-200
Description
An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because small IOMMU mappings are unsafely combined into larger ones.
Affected configurations
• xen xen (<= 4.11.1)
• debian debian linux 9.0
• citrix xenserver 7.0
• citrix xenserver 7.1
• citrix xenserver 7.5
• citrix xenserver 7.6
Related
Weakness · CWE (1)
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness
References
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html lists.opensuse.org
- http://www.securityfocus.com/bid/106182 Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html lists.debian.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/ lists.fedoraproject.org
- https://support.citrix.com/article/CTX239432 Third Party Advisory
- https://www.debian.org/security/2019/dsa-4369 Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-275.html Patch, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html lists.opensuse.org
- http://www.securityfocus.com/bid/106182 Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html lists.debian.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/ lists.fedoraproject.org
- https://support.citrix.com/article/CTX239432 Third Party Advisory
- https://www.debian.org/security/2019/dsa-4369 Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-275.html Patch, Vendor Advisory