PT-2025-42546 · Bitvisor · Bitvisor

Published 2025-10-16 · Updated 2025-10-17 · CVE-2025-61554

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions BitVisor versions commit 108df6 (2020-05-20) through commit 480907 (2025-07-06)

Description A flaw exists in the VirtIO network device emulation within the software. This issue allows a local attacker to trigger a denial of service, potentially leading to a host hypervisor crash, by crafting a specific PCI configuration space access.

Recommendations Update to a version later than commit 480907 (2025-07-06).

Exploit

Fix

DoS

Divide By Zero

Weakness Enumeration

CWE-369

Related Identifiers

CVE-2025-61554

Affected Products

Bitvisor

References · 6

• 🔥 https://github.com/retrage/advisories/blob/c20246f93edac1b8ad3c8c5e3e768d02405850c7/CVE-2025-61554/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-61554 · Security Note
• https://t.me/CVEtracker/35156 · Telegram Post
• https://sourceforge.net/p/bitvisor/code/ci/de84887f4418fcd67945b4aa4842e035bce0dfa9 · Note
• https://twitter.com/CVEnew/status/1978932577668076013 · Twitter Post
• https://t.me/cveNotify/139139 · Telegram Post