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CVE-2025-61553

🔴 HIGH

An out-of-bounds write in VirtIO network device emulation in BitVisor from commit 108df6 (2020-05-20) to commit 480907 (2025-07-06) allows local attackers to cause a denial of service (host hypervisor...

Published
Oct 16, 2025
Last Modified
Oct 21, 2025
Views
1
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Description

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An out-of-bounds write in VirtIO network device emulation in BitVisor from commit 108df6 (2020-05-20) to commit 480907 (2025-07-06) allows local attackers to cause a denial of service (host hypervisor crash) via a crafted PCI configuration space access. Given it's a heap overflow in a privileged hypervisor context, exploitation may enable arbitrary code execution or guest-to-host privilege escalation.

CVSS Scores

CVSS 3.1 8.2
8.2
HIGH
CVSS 2.0 8.2

References

github.com sourceforge.net

Additional Information

Source
cve@mitre.org
State
Awaiting analysis

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