CVE-2025-39794
Published: September 17, 2025Last modified: September 17, 2025
Description
In the Linux kernel, the following vulnerability has been resolved: ARM: tegra: Use I/O memcpy to write to IRAM Kasan crashes the kernel trying to check boundaries when using the normal memcpy.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.151-r0) |
| 25 LTS | linux-lts | Fixed (6.12.44-r0) | |
| Stream | linux-lts | Fixed (6.12.43-r0) |
References
- https://git.kernel.org/stable/c/2499b0ac908eefbb8a217aae609b7a5b5174f330
- https://git.kernel.org/stable/c/30ef45b89a5961cdecf907ecff1ef3374d1de510
- https://git.kernel.org/stable/c/387435f4833f97aabfd74434ee526e31e8a626ea
- https://git.kernel.org/stable/c/398e67e0f5ae04b29bcc9cbf342e339fe9d3f6f1
- https://git.kernel.org/stable/c/46b3a7a3a36d5833f14914d1b95c69d28c6a76d6
- https://git.kernel.org/stable/c/75a3bdfeed2f129a2c7d9fd7779382b78e35b014
- https://git.kernel.org/stable/c/96d6605bf0561d6e568b1dd9265a0f73b5b94f51
- https://git.kernel.org/stable/c/9b0b3b5e5cae95e09bf0ae4a9bcb58d9b6d57f87
- https://git.kernel.org/stable/c/b28c1a14accc79ead1e87bbdae53309da60be1e7
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html