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Status published
Unknown
CVE-2021-45464
kvmtool through 39181fc allows an out-of-bounds write, related to virtio/balloon.c...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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
Affected Vendor
kvmtool project
View all reports →Affected Software
kvmtool
Vulnerable Versions:
Unknown
Timeline
Official Publish:
April 15th, 2023
Last Modified:
February 6th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.