Vulnerability · Published Mar 20, 2024 · Assigned by XEN
CVE-2023-46840VT-d: Failure to quarantine devices in !HVM builds
Medium 4.1
In plain English
A medium-severity security flaw in Xen from Xen. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.1Medium
Exploit odds (30 days)0.3%top 81.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Incorrect placement of a preprocessor directive in source code results in logic that doesn't operate as intended when support for HVM guests is compiled out of Xen.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | xen | 0 | ALPINE-CVE-2023-46840 |
| Alpine:v3.21 | xen | 0 | ALPINE-CVE-2023-46840 |
| Alpine:v3.22 | xen | 0 | ALPINE-CVE-2023-46840 |
| Alpine:v3.23 | xen | 0 | ALPINE-CVE-2023-46840 |
| Alpine:v3.24 | xen | 0 | ALPINE-CVE-2023-46840 |
| Debian:12 | xen | 4.17.3+10-g091466ba55-1~deb12u1 | DEBIAN-CVE-2023-46840 |
| Debian:13 | xen | 4.17.3+10-g091466ba55-1 | DEBIAN-CVE-2023-46840 |
| Debian:14 | xen | 4.17.3+10-g091466ba55-1 | DEBIAN-CVE-2023-46840 |
| Ubuntu:22.04:LTS | xen | no fix listed | UBUNTU-CVE-2023-46840 |
| Ubuntu:24.04:LTS | xen | no fix listed | UBUNTU-CVE-2023-46840 |
| Ubuntu:25.10 | xen | no fix listed | UBUNTU-CVE-2023-46840 |
| Ubuntu:26.04:LTS | xen | no fix listed | UBUNTU-CVE-2023-46840 |
| Ubuntu:26.10 | xen | no fix listed | UBUNTU-CVE-2023-46840 |