CVE-2021-45464
- State
- Published
- Severity
- 8.8 High
- Published
- Apr 15, 2023
- Updated
- Feb 6, 2025
- Reserved
- Dec 23, 2021
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.8 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-787 Out-of-bounds Write
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://cdn.discordapp.com/attachments/921419715170164776/921882173517230100/exploit.c
- https://git.kernel.org/pub/scm/linux/kernel/git/will/kvmtool.git/log/
- https://www.kalmarunionen.dk/writeups/2021/hxp-2021/lkvm/
- https://git.kernel.org/pub/scm/linux/kernel/git/will/kvmtool.git/commit/?id=39181fc6429f4e9e71473284940e35857b42772a
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