The grant-table feature in Xen through 4.8.x has a race condition leading to a double free, which allows guest OS users to cause a denial of service (memory consumption), or possibly obtain sensitive information or gain privileges, aka XSA-218 bug 2.
CVSS Details
- CVSS 3.0 Base Score: 8.1
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:H/PR:N/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 | Oct 27, 2017 | Jul 5, 2017 | |
| Debian | debian-upgrade-xen | Sep 13, 2017 | Jul 4, 2017 | |
| Gentoo Linux | gentoo-linux-upgrade-app-emulation-xengentoo-linux-upgrade-app-emulation-xen-pvgrubgentoo-linux-upgrade-app-emulation-xen-tools | Oct 30, 2017 | Jul 4, 2017 | |
| Redhat_linux | — | no-fix-redhat-rpm-package | Jul 9, 2025 | Jun 20, 2017 |
| Suse | — | suse-upgrade-xensuse-upgrade-xen-doc-htmlsuse-upgrade-xen-kmp-defaultsuse-upgrade-xen-libssuse-upgrade-xen-libs-32bitsuse-upgrade-xen-toolssuse-upgrade-xen-tools-domu | Jul 6, 2017 | Jul 4, 2017 |
| Ubuntu | ubuntu-upgrade-xen | Nov 19, 2024 | Jul 5, 2017 |
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