CVE-2024-52935
📋 TL;DR
This vulnerability allows kernel software running inside a Guest VM to write data outside its allocated GPU memory boundaries by exploiting shared memory with GPU firmware. This affects virtualization environments using Imagination Technologies GPU hardware with vulnerable firmware. The impact is limited to guest-to-host escape scenarios within virtualized GPU environments.
💻 Affected Systems
- Imagination Technologies GPU hardware with vulnerable firmware
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Guest VM escape leading to host system compromise, potentially allowing access to other VMs or host resources.
Likely Case
Guest VM instability, GPU context corruption, or denial of service affecting GPU functionality within the virtualized environment.
If Mitigated
Isolated impact limited to the affected Guest VM's GPU operations without host compromise.
🎯 Exploit Status
Exploitation requires kernel-level access within Guest VM and specific knowledge of GPU memory layout. No public exploit code available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Imagination Technologies GPU firmware updates
Vendor Advisory: https://www.imaginationtech.com/gpu-driver-vulnerabilities/
Restart Required: Yes
Instructions:
1. Check Imagination Technologies advisory for specific affected firmware versions. 2. Update GPU firmware to patched version. 3. Update hypervisor GPU drivers if applicable. 4. Restart affected systems.
🔧 Temporary Workarounds
Disable GPU virtualization
allRemove GPU passthrough or shared GPU resources from vulnerable VMs
Hypervisor-specific configuration changes required
Isolate GPU resources
allEnsure each VM has dedicated GPU resources without sharing
Configure hypervisor for dedicated GPU assignment
🧯 If You Can't Patch
- Isolate affected VMs from critical systems and networks
- Implement strict access controls to prevent unauthorized kernel code execution in Guest VMs
🔍 How to Verify
Check if Vulnerable:
Check GPU firmware version against Imagination Technologies advisory. Review hypervisor GPU configuration for shared memory settings.Check Version:
System-specific commands to check GPU firmware version (varies by platform)Verify Fix Applied:
Verify GPU firmware version is updated to patched version. Confirm hypervisor GPU drivers are updated.📡 Detection & Monitoring
Log Indicators:
- GPU firmware error logs
- Hypervisor GPU memory access violations
- Guest VM kernel module loading anomalies
Network Indicators:
- Unusual GPU-related network traffic from virtualized environments
SIEM Query:
Search for GPU firmware errors OR hypervisor memory access violations related to GPU resources