CVEvulnerability
CVE-2018-19961
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-459
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 TLB flushes do not always occur after IOMMU mapping changes.
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-459 Incomplete Cleanup 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