Samsung Semiconductor Exynos 1480/Exynos 2400 NPU driver ioctl out-of-bounds write

Summaryinfo

A vulnerability classified as problematic has been found in Samsung Semiconductor Exynos 1480 and Exynos 2400. The impacted element is the function ioctl of the component NPU driver. The manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2026-69025. An attack has to be approached locally. There is no exploit available.

Detailsinfo

A vulnerability was found in Samsung Semiconductor Exynos 1480 and Exynos 2400 (version now known) and classified as problematic. This issue affects the function ioctl of the component NPU driver. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is integrity, and availability. The summary by CVE is:

In the Exynos NPU driver, improper validation of user input in the ioctl handler can lead to an out-of-bounds write, which causes a denial of service

It is possible to read the advisory at semiconductor.samsung.com. The identification of this vulnerability is CVE-2026-69025 since 08/03/2026. The exploitation is known to be easy. Attacking locally is a requirement. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Samsung Semiconductor

Name

• Exynos 1480
• Exynos 2400

License

• commercial

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CPE 2.2info

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