High severity8.8NVD Advisory· Published Apr 15, 2023· Updated Jun 17, 2026
CVE-2021-45464
CVE-2021-45464
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- kvmtool/kvmtooldescription
Patches
Vulnerability mechanics
References
3- git.kernel.org/pub/scm/linux/kernel/git/will/kvmtool.git/commit/nvdPatch
- www.kalmarunionen.dk/writeups/2021/hxp-2021/lkvm/nvdExploitThird Party Advisory
- cdn.discordapp.com/attachments/921419715170164776/921882173517230100/exploit.cnvdBroken Link
News mentions
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