What is CVE-2021-45464?

CVE-2021-45464 is a high-severity vulnerability in Kvmtool Project, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2023-04-15.

How severe is CVE-2021-45464?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Kvmtool Project

CVE-2021-45464

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.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (30.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Kvmtool_project Kvmtool
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Broken Link)
cve@mitre.org (Patch)
cve@mitre.org (Exploit, Third Party Advisory)
cve@mitre.org (Patch)

Frequently asked questions

What is CVE-2021-45464?: CVE-2021-45464 is a high-severity vulnerability in Kvmtool Project, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2023-04-15.
How severe is CVE-2021-45464?: High severity. CVSS v3 base score is 8.8 out of 10.