CVEvulnerability
CVE-2021-45464
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-04-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 8.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-787
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.
Affected configurations
• kvmtool project kvmtool
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://cdn.discordapp.com/attachments/921419715170164776/921882173517230100/exploit.c Broken Link
- https://git.kernel.org/pub/scm/linux/kernel/git/will/kvmtool.git/commit/?id=39181fc6429f4e9e71473284940e35857b42772a Patch
- https://git.kernel.org/pub/scm/linux/kernel/git/will/kvmtool.git/log/ Patch
- https://www.kalmarunionen.dk/writeups/2021/hxp-2021/lkvm/ Exploit, Third Party Advisory
- https://cdn.discordapp.com/attachments/921419715170164776/921882173517230100/exploit.c Broken Link
- https://git.kernel.org/pub/scm/linux/kernel/git/will/kvmtool.git/commit/?id=39181fc6429f4e9e71473284940e35857b42772a Patch
- https://git.kernel.org/pub/scm/linux/kernel/git/will/kvmtool.git/log/ Patch
- https://www.kalmarunionen.dk/writeups/2021/hxp-2021/lkvm/ Exploit, Third Party Advisory