ARM: tegra: Use I/O memcpy to write to IRAM

Summary

CVECVE-2025-39794
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-09-12 16:15:33 UTC
Updated2026-05-12 13:17:11 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem Types: NVD-CWE-noinfo

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected b36ab9754efbd7429d214b3b03dc9843882571bd b28c1a14accc79ead1e87bbdae53309da60be1e7 git Not specified
CNA Linux Linux affected b36ab9754efbd7429d214b3b03dc9843882571bd 75a3bdfeed2f129a2c7d9fd7779382b78e35b014 git Not specified
CNA Linux Linux affected b36ab9754efbd7429d214b3b03dc9843882571bd 2499b0ac908eefbb8a217aae609b7a5b5174f330 git Not specified
CNA Linux Linux affected b36ab9754efbd7429d214b3b03dc9843882571bd 387435f4833f97aabfd74434ee526e31e8a626ea git Not specified
CNA Linux Linux affected b36ab9754efbd7429d214b3b03dc9843882571bd 46b3a7a3a36d5833f14914d1b95c69d28c6a76d6 git Not specified
CNA Linux Linux affected b36ab9754efbd7429d214b3b03dc9843882571bd 9b0b3b5e5cae95e09bf0ae4a9bcb58d9b6d57f87 git Not specified
CNA Linux Linux affected b36ab9754efbd7429d214b3b03dc9843882571bd 96d6605bf0561d6e568b1dd9265a0f73b5b94f51 git Not specified
CNA Linux Linux affected b36ab9754efbd7429d214b3b03dc9843882571bd 30ef45b89a5961cdecf907ecff1ef3374d1de510 git Not specified
CNA Linux Linux affected b36ab9754efbd7429d214b3b03dc9843882571bd 398e67e0f5ae04b29bcc9cbf342e339fe9d3f6f1 git Not specified
CNA Linux Linux affected 3.4 Not specified
CNA Linux Linux unaffected 3.4 semver Not specified
CNA Linux Linux unaffected 5.4.297 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.241 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.190 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.149 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.103 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.43 6.12.* semver Not specified
CNA Linux Linux unaffected 6.15.11 6.15.* semver Not specified
CNA Linux Linux unaffected 6.16.2 6.16.* semver Not specified
CNA Linux Linux unaffected 6.17 * original_commit_for_fix Not specified
ADP Siemens SIMATIC CN 4100 affected V5.0 custom Not specified

References

ReferenceSourceLinkTags
lists.debian.org/debian-lts-announce/2025/10/msg00008.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Third Party Advisory
git.kernel.org/stable/c/398e67e0f5ae04b29bcc9cbf342e339fe9d3f6f1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/30ef45b89a5961cdecf907ecff1ef3374d1de510 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/387435f4833f97aabfd74434ee526e31e8a626ea 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/9b0b3b5e5cae95e09bf0ae4a9bcb58d9b6d57f87 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/b28c1a14accc79ead1e87bbdae53309da60be1e7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/96d6605bf0561d6e568b1dd9265a0f73b5b94f51 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
cert-portal.siemens.com/productcert/html/ssa-032379.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/46b3a7a3a36d5833f14914d1b95c69d28c6a76d6 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/75a3bdfeed2f129a2c7d9fd7779382b78e35b014 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/10/msg00007.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Third Party Advisory
git.kernel.org/stable/c/2499b0ac908eefbb8a217aae609b7a5b5174f330 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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