Description (CNA)
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 (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / n/a | affected n/a |
CWE
No CWE identifiers supplied.
References
- https://support.citrix.com/article/CTX239432
- https://www.debian.org/security/2019/dsa-4369
- http://www.securityfocus.com/bid/106182
- https://xenbits.xen.org/xsa/advisory-275.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
- https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html
ADP enrichment
No English description supplied.
- https://support.citrix.com/article/CTX239432
- https://www.debian.org/security/2019/dsa-4369
- http://www.securityfocus.com/bid/106182
- https://xenbits.xen.org/xsa/advisory-275.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
- https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html