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 TLB flushes do not always occur after IOMMU mapping changes.
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