An issue was discovered in Xen through 4.9.x allowing x86 SVM PV guest OS users to cause a denial of service (hypervisor crash) or gain privileges because IDT settings are mishandled during CPU hotplugging.
CVSS Details
- CVSS 3.0 Base Score: 8.8
- CVSS 3.0 Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade xen | Sep 28, 2018 | Oct 18, 2017 |
| Debian | — | Upgrade xen | Nov 29, 2017 | Oct 18, 2017 |
| Gentoo Linux | — | Upgrade app-emulation/xen-tools.Upgrade app-emulation/xen. | Jan 15, 2018 | Oct 18, 2017 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Oct 12, 2017 |
| Suse | — | Upgrade xen-develUpgrade xen-doc-htmlUpgrade xenUpgrade xen-tools-domUUpgrade xen-kmp-paeUpgrade xen-toolsUpgrade xen-libsUpgrade xen-kmp-defaultUpgrade xen-doc-pdfUpgrade xen-libs-32bit | Oct 20, 2017 | Oct 18, 2017 |
| Ubuntu | — | Upgrade xen | Nov 19, 2024 | Oct 18, 2017 |
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