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 | alpine-linux-upgrade-xen | Mar 26, 2024 | Oct 22, 2020 | |
| Debian | debian-upgrade-xen | Dec 7, 2020 | Oct 22, 2020 | |
| Gentoo Linux | gentoo-linux-upgrade-app-emulation-xengentoo-linux-upgrade-app-emulation-xen-tools | Nov 12, 2020 | Oct 22, 2020 | |
| Suse | — | suse-upgrade-xensuse-upgrade-xen-develsuse-upgrade-xen-doc-htmlsuse-upgrade-xen-kmp-defaultsuse-upgrade-xen-kmp-paesuse-upgrade-xen-libssuse-upgrade-xen-libs-32bitsuse-upgrade-xen-toolssuse-upgrade-xen-tools-domususe-upgrade-xen-tools-xendomains-wait-disk | Dec 11, 2020 | Oct 22, 2020 |
| Ubuntu | no-fix-ubuntu-package | Jun 26, 2025 | Oct 22, 2020 |
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