Xen through 4.8.x does not validate the port numbers of polled event channel ports, which allows guest OS users to cause a denial of service (NULL pointer dereference and host OS crash) or possibly obtain sensitive information, aka XSA-221.
CVSS Details
- CVSS 3.0 Base Score: 9.1
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade xen | Oct 27, 2017 | Jul 5, 2017 |
| Debian | — | Upgrade xen | Sep 13, 2017 | Jul 4, 2017 |
| Suse | — | Upgrade xen-tools-domUUpgrade xen-doc-htmlUpgrade xenUpgrade xen-libs-32bitUpgrade xen-toolsUpgrade xen-libsUpgrade xen-kmp-default | Jul 6, 2017 | Jul 4, 2017 |
| Ubuntu | — | Upgrade xen | Nov 19, 2024 | Jul 5, 2017 |
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