CVE-2022-42265

What it actually does

Integer overflow in the nvidia.ko kernel module allows local attackers to trigger memory corruption resulting in information disclosure or data tampering.

Why it matters to the business

Systems using affected NVIDIA GPU drivers on Linux face risk of sensitive data exposure or unauthorized modification, potentially affecting workloads that rely on these GPUs for compute or graphics.

How an attack unfolds

A local attacker with low privileges loads or interacts with the vulnerable nvidia.ko module to trigger the integer overflow, bypassing intended memory protections to read or alter kernel or user data.

How to fix it

Update the NVIDIA GPU Display Driver to the latest version that resolves the integer overflow; apply vendor patches as soon as they become available for the affected product lines including GeForce, Quadro, RTX, and Tesla.

How to confirm the fix worked

Verify the installed driver version against NVIDIA security bulletins; confirm the nvidia.ko module no longer contains the vulnerable code path through source or binary inspection after upgrade.

Typical attack path

1. Obtain local access with a low-privileged account on a Linux system with the vulnerable driver loaded
2. Craft input that triggers the integer overflow condition in the kernel mode layer
3. Exploit the resulting memory corruption to disclose sensitive information or tamper with data structures
4. Escalate or persist using the obtained data or modified state

How to detect it

Review kernel logs and driver telemetry for anomalous memory access patterns or crashes in nvidia.ko; correlate with local user activity around the time of suspected exploitation.

What your security team should do

• Prioritize driver updates on all Linux systems with NVIDIA GPUs given the local attack vector
• Restrict local user access and kernel module loading where possible until patches are applied
• Monitor for new fixed versions from NVIDIA and schedule deployment across affected hardware