NVIDIA GPU Display Driver on Linux Kernel Mode Layer nvidia.ko integer overflow

Summaryinfo

A vulnerability was found in NVIDIA GPU Display Driver on Linux. It has been classified as problematic. Affected by this issue is some unknown functionality in the library nvidia.ko of the component Kernel Mode Layer. This manipulation causes integer overflow. This vulnerability is registered as CVE-2022-42256. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in NVIDIA GPU Display Driver on Linux (Hardware Driver Software) (unknown version) and classified as critical. Affected by this vulnerability is an unknown code block in the library nvidia.ko of the component Kernel Mode Layer. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel mode layer (nvidia.ko), where an integer overflow in index validation may lead to denial of service, information disclosure, or data tampering.

The weakness was published 12/31/2022. It is possible to read the advisory at nvidia.custhelp.com. This vulnerability is known as CVE-2022-42256 since 10/03/2022. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/31/2022).

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

Type

• Hardware Driver Software

Vendor

• NVIDIA

Name

• GPU Display Driver

License

• commercial

Website

• Vendor: https://www.nvidia.com/

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