CVE-2022-34667

What it actually does

Stack-based buffer overflow in cuobjdump allows memory corruption when processing a specially crafted file, resulting in limited denial of service and data integrity loss.

Why it matters to the business

Disruption to CUDA-based development and compute workflows on Linux and Windows systems, with potential for data corruption during local file analysis tasks.

How an attack unfolds

An attacker prepares a malicious file designed to trigger the overflow, then convinces a local user to download and run cuobjdump against the file, causing the tool to crash or corrupt data.

How to fix it

Upgrade NVIDIA CUDA Toolkit to a version that resolves the cuobjdump vulnerability; avoid processing untrusted files with cuobjdump until updated; consider restricting execution of the tool via application allowlisting.

How to confirm the fix worked

Confirm the installed cuobjdump binary version is newer than the vulnerable release, then test execution against known benign files to ensure no crashes or unexpected behavior occur.

Typical attack path

1. Create a corrupted file that exploits the buffer overflow in cuobjdump
2. Social-engineer a local user into downloading the file
3. Persuade the user to execute cuobjdump locally against the file
4. Trigger memory corruption leading to DoS or integrity impact

How to detect it

Review system logs and process execution history for cuobjdump invocations on unexpected or recently downloaded files; look for associated crashes or error messages indicating buffer issues.

What your security team should do

• Prioritize patching NVIDIA CUDA Toolkit across all affected Linux and Windows systems
• Implement file-handling policies that block untrusted inputs to cuobjdump
• Monitor for new NVIDIA security bulletins addressing CUDA Toolkit components