Xen 4.2.x and 4.3.x, when using Intel VT-d and a PCI device has been assigned, does not clear the flag that suppresses IOMMU TLB flushes when unspecified errors occur, which causes the TLB entries to not be flushed and allows local guest administrators to cause a denial of service (host crash) or gain privileges via unspecified vectors.
CVSS Details
- CVSS 3.1 Base Score: 7.8
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade xen | Jul 30, 2024 | Dec 13, 2013 |
| Gentoo Linux | — | Upgrade app-emulations/xen.Upgrade app-emulations/xen-tools.Upgrade app-emulations/xen-pvgrub. | Oct 30, 2017 | Dec 13, 2013 |
| Suse | — | Upgrade xen-kmp-paeUpgrade xen-doc-htmlUpgrade sle-sdk-releaseUpgrade xen-libsUpgrade xen-libs-32bitUpgrade xen-xend-toolsUpgrade xen-doc-pdfUpgrade xen-kmp-defaultUpgrade xen-toolsUpgrade xen-kmp-desktopUpgrade xen-tools-domUUpgrade xen-develUpgrade xen | Feb 17, 2015 | Dec 13, 2013 |
| Ubuntu | — | Upgrade xen | Nov 19, 2024 | Dec 13, 2013 |
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