VDB
DEBIAN-CVE-2025-40193
DEBIAN-CVE-2025-40193
PUBLISHED
CVSS 8.699999809265137 HIGH
In the Linux kernel, the following vulnerability has been resolved: xtensa: simdisk: add input size check in proc_write_simdisk A malicious user could pass an arbitrarily bad value to memdup_user_nul(), potentially causing kernel crash. This follows the same pattern as commit ee76746387f6 ("netdevsim: prevent bad user input in nsim_dev_health_break_write()")
Risk Scores
CVSS 4.0
8.699999809265137
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | linux-6.1 | 0, 6.1.153-1, 6.1.148-1 |
| Debian:11 | linux | 6.19.11-1, 6.12.32-1, 6.12.33-1 |
| Debian:12 | linux | 6.1.112-1, 6.1.129-1, * |
| Debian:13 | linux | 6.12.48-1, 0, 6.12.38-1 |
| Debian:14 | linux | 6.16.12-2, 6.16.12-1, 6.16.12-1 |
Exploit Intelligence
- 4081.3.7.yml (github-poc)
Timeline
- Nov 12, 2025 CVE Published
- Apr 28, 2026 CVE Updated