An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because a guest can manipulate its virtualised %cr4 in a way that is incompatible with Linux (and possibly other guest kernels).
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade xen | Oct 1, 2024 | Oct 8, 2019 |
| Debian | — | Upgrade xen | Jul 30, 2024 | Oct 8, 2019 |
| Suse | — | Upgrade xenUpgrade xen-develUpgrade xen-toolsUpgrade xen-kmp-defaultUpgrade xen-kmp-paeUpgrade xen-libsUpgrade xen-doc-htmlUpgrade xen-tools-domUUpgrade xen-libs-32bit | Oct 24, 2019 | Oct 8, 2019 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Oct 8, 2019 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub