Medium severity · published Sep 12, 2025
CVE-2025-39794
ARM: tegra: Use I/O memcpy to write to IRAM
5.5
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
3.4 before 5.4.297; 5.5 before 5.10.241; 5.11 before 5.15.190; 5.16 before 6.1.149; 6.2 before 6.6.103; 6.7 before 6.12.43; +2 more · source: NVD
LI
Linux · Linux
b36ab9754efbd7429d214b3b03dc9843882571bd before b28c1a14accc79ead1e87bbdae53309da60be1e7; b36ab9754efbd7429d214b3b03dc9843882571bd before 75a3bdfeed2f129a2c7d9fd7779382b78e35b014; b36ab9754efbd7429d214b3b03dc9843882571bd before 2499b0ac908eefbb8a217aae609b7a5b5174f330; b36ab9754efbd7429d214b3b03dc9843882571bd before 387435f4833f97aabfd74434ee526e31e8a626ea; b36ab9754efbd7429d214b3b03dc9843882571bd before 46b3a7a3a36d5833f14914d1b95c69d28c6a76d6; b36ab9754efbd7429d214b3b03dc9843882571bd before 9b0b3b5e5cae95e09bf0ae4a9bcb58d9b6d57f87; +4 more · source: vendor
DL
Debian Linux · Debian
11.0 · source: NVD
SC
SIMATIC CN 4100 · Siemens
before V5.0 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-39794
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-39794
Patch
https://git.kernel.org/stable/c/2499b0ac908eefbb8a217aae609b7a5b5174f330
Patch
https://git.kernel.org/stable/c/30ef45b89a5961cdecf907ecff1ef3374d1de510
Patch
https://git.kernel.org/stable/c/387435f4833f97aabfd74434ee526e31e8a626ea
Patch
https://git.kernel.org/stable/c/398e67e0f5ae04b29bcc9cbf342e339fe9d3f6f1
Patch
https://git.kernel.org/stable/c/46b3a7a3a36d5833f14914d1b95c69d28c6a76d6
Patch
https://git.kernel.org/stable/c/75a3bdfeed2f129a2c7d9fd7779382b78e35b014
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