An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because of an interpretation conflict for a union data structure associated with shadow paging. NOTE: this issue exists because of an incorrect fix for CVE-2017-15595.
CVSS Details
- CVSS 3.1 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 | Feb 15, 2019 | Dec 8, 2018 |
| Debian | — | Upgrade xen | Jan 16, 2019 | Dec 7, 2018 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Dec 8, 2018 |
| Suse | — | Upgrade xen-libs-32bitUpgrade xen-toolsUpgrade xen-kmp-defaultUpgrade xen-libsUpgrade xenUpgrade xen-tools-domUUpgrade xen-doc-htmlUpgrade xen-kmp-paeUpgrade xen-develUpgrade xen-tools-xendomains-wait-disk | Dec 12, 2018 | Dec 7, 2018 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Dec 8, 2018 |
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