CVE-2025-39794: ARM: tegra: Use I/O memcpy to write to IRAM
Published Sep 12, 2025
·Updated
ARM: tegra: Use I/O memcpy to write to IRAM
Affected Software
11 affected componentsFixes available
Linux Linux kernel
Microsoft azl3 kernel 6.6.96.2-2
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
Remediation
Event History
Sep 12, 2025
CVE Published
via MITRE·03:59 PM
Data Sourced
via MITRE·03:59 PM
Description
Data Sourced
via NVD·04:15 PM
RemedyDescriptionSeverityAffected Software
Sep 16, 2025
Data Sourced
via Microsoft·01:01 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·01:01 AM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2025-39794?
CVE-2025-39794 is classified as a medium severity vulnerability due to potential kernel crashes.
2
How do I fix CVE-2025-39794?
To fix CVE-2025-39794, you should update to the latest version of the Linux kernel where the vulnerability has been patched.
3
What systems are affected by CVE-2025-39794?
CVE-2025-39794 affects the Linux kernel, specifically systems using the ARM Tegra architecture.
4
What causes CVE-2025-39794?
CVE-2025-39794 is caused by the use of normal memcpy instead of I/O memcpy when writing to IRAM, which can lead to kernel crashes.
5
Can CVE-2025-39794 be exploited?
While not directly exploitable for remote attacks, CVE-2025-39794 can lead to local denial of service through kernel crashes.