CVE-2025-37773: Debian Linux

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: virtiofs: add filesystem context source name check In certain scenarios, for example, during fuzz testing, the source name may be NULL, which could lead to a kernel panic. Therefore, an extra check for the source name should be added.

Affected products

• Debian Debian Linux: version 11.0 only
• Linux Linux Kernel: from 5.4, before 5.4.293 (fixed in 5.4.293); from 5.5, before 5.10.237 (fixed in 5.10.237); from 5.11, before 5.15.181 (fixed in 5.15.181); from 5.16, before 6.1.135 (fixed in 6.1.135); from 6.2, before 6.6.88 (fixed in 6.6.88); from 6.7, before 6.12.25 (fixed in 6.12.25); …

Published 2025-05-01. Last modified 2026-06-17.