CVE-2025-39794
MEDIUMCVSS 5.5/10EPSS 0.15%
Last modified
CVE-2025-39794 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.15% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 3.4, < 5.4.297 |
| Linux | Linux Kernel | >= 5.5, < 5.10.241 |
| Linux | Linux Kernel | >= 5.11, < 5.15.190 |
| Linux | Linux Kernel | >= 5.16, < 6.1.149 |
| Linux | Linux Kernel | >= 6.2, < 6.6.103 |
| Linux | Linux Kernel | >= 6.7, < 6.12.43 |
| Linux | Linux Kernel | >= 6.13, < 6.15.11 |
| Linux | Linux Kernel | >= 6.16, < 6.16.2 |
| Debian | Debian Linux | 11.0 |
References
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2025-39794?
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.
How severe is CVE-2025-39794?
CVE-2025-39794 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.
How do I fix CVE-2025-39794?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2025-39794?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST