high7.8
CVE-2018-19961
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 alwa…
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Xen | Xen | through 4.11.1 |
| Debian | Debian Linux | Version 9.0 |
| Citrix | Xenserver | Versions 7.0, 7.1, 7.5, 7.6 |
Weakness classification
References
- NVD record
- CVE.org record
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
- http://www.securityfocus.com/bid/106182
- https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/
- https://support.citrix.com/article/CTX239432
- https://www.debian.org/security/2019/dsa-4369
- https://xenbits.xen.org/xsa/advisory-275.html
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
- http://www.securityfocus.com/bid/106182
- https://lists.debian.org/debian-lts-announce/2019/10/msg00008.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/
- https://support.citrix.com/article/CTX239432
- https://www.debian.org/security/2019/dsa-4369
- https://xenbits.xen.org/xsa/advisory-275.html