An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a host OS denial of service, achieve data corruption, or possibly gain privileges by exploiting a race condition that leads to a use-after-free involving 2MiB and 1GiB superpages.
CVSS Details
- CVSS 3.1 Base Score: 7
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/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 | Mar 26, 2024 | Oct 22, 2020 |
| Debian | — | Upgrade xen | Dec 7, 2020 | Oct 22, 2020 |
| Gentoo Linux | — | Upgrade app-emulation/xen.Upgrade app-emulation/xen-tools. | Nov 12, 2020 | Oct 22, 2020 |
| Suse | — | Upgrade xenUpgrade xen-kmp-defaultUpgrade xen-kmp-paeUpgrade xen-toolsUpgrade xen-tools-xendomains-wait-diskUpgrade xen-develUpgrade xen-doc-htmlUpgrade xen-libs-32bitUpgrade xen-tools-domuUpgrade xen-libs | Dec 11, 2020 | Oct 22, 2020 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Oct 22, 2020 |
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