CVE catalog
CVE-2021-45464
UBUNTU-CVE-2021-45464
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.38% · Oct 25, 2026
kvmtool through 39181fc allows an out-of-bounds write, related to virtio/balloon.c and virtio/pci.c. This allows a guest OS user to execute arbitrary code on the host machine.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Ubuntu | kvmtool | pro | 0.20150908-1 | vulnerable |
| Ubuntu | kvmtool | pro | 0.20151104-1 | vulnerable |
| Ubuntu | kvmtool | pro | 0.20151104-1ubuntu0.1~esm1 | fixed |
| Ubuntu | kvmtool | pro | 0.20161128-1 | vulnerable |
| Ubuntu | kvmtool | pro | 0.20170904-1 | vulnerable |
| Ubuntu | kvmtool | pro | 0.20170904-1ubuntu0.18.04.1~esm1 | fixed |
| Ubuntu | kvmtool | pro | 0.20170904-1 | vulnerable |
| Ubuntu | kvmtool | pro | 0.20170904-1ubuntu0.20.04.1~esm1 | fixed |
| Ubuntu | kvmtool | pro | 0.20170904-1.1 | vulnerable |
| Ubuntu | kvmtool | pro | 0.20170904-1.1ubuntu0.1~esm2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Ubuntu | kvmtool | deb | pro | 0.20151104-1ubuntu0.1~esm1 | Not reported | UBUNTU-CVE-2021-45464 | Not reported |
| Ubuntu | kvmtool | deb | pro | 0.20170904-1ubuntu0.18.04.1~esm1 | Not reported | UBUNTU-CVE-2021-45464 | Not reported |
| Ubuntu | kvmtool | deb | pro | 0.20170904-1ubuntu0.20.04.1~esm1 | Not reported | UBUNTU-CVE-2021-45464 | Not reported |
| Ubuntu | kvmtool | deb | pro | 0.20170904-1.1ubuntu0.1~esm2 | Not reported | UBUNTU-CVE-2021-45464 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: