CVE-2023-32277
📋 TL;DR
This vulnerability allows authenticated local users to potentially disclose sensitive information through an untrusted pointer dereference in Intel QAT software's I/O subsystem. It affects systems running Intel QuickAssist Technology software before version 2.0.5. The risk is limited to authenticated users with local operating system access.
💻 Affected Systems
- Intel QuickAssist Technology (QAT) software
⚠️ 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
Authenticated attacker gains unauthorized access to sensitive system memory contents, potentially exposing cryptographic keys, passwords, or other protected data.
Likely Case
Authenticated user with local access exploits the vulnerability to read portions of kernel memory, potentially exposing system information or application data.
If Mitigated
With proper access controls limiting local user privileges and network segmentation, impact is limited to authorized users who already have system access.
🎯 Exploit Status
Exploitation requires authenticated local access and knowledge of the vulnerability. No public exploits known at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.0.5 or later
Vendor Advisory: https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01124.html
Restart Required: Yes
Instructions:
1. Download Intel QAT software version 2.0.5 or later from Intel's website. 2. Stop QAT services. 3. Install the updated software package. 4. Restart the system to load the updated drivers.
🔧 Temporary Workarounds
Restrict local user access
allLimit the number of users with local system access to reduce attack surface
Disable QAT if not needed
linuxRemove or disable Intel QAT software if the hardware acceleration features are not required
sudo systemctl stop qat_service
sudo modprobe -r qat_driver
🧯 If You Can't Patch
- Implement strict access controls to limit local user privileges
- Monitor systems for unusual memory access patterns or privilege escalation attempts
🔍 How to Verify
Check if Vulnerable:
Check QAT driver version: On Linux: 'modinfo qat_c62x' or similar QAT driver. On Windows: Check driver version in Device Manager under 'System devices' for Intel QAT.Check Version:
Linux: 'modinfo qat_c62x | grep version' or 'rpm -qa | grep qat' or 'dpkg -l | grep qat'. Windows: Check driver properties in Device Manager.Verify Fix Applied:
Verify QAT software version is 2.0.5 or higher. On Linux: 'cat /sys/kernel/debug/qat_*/version' or check package version. On Windows: Verify driver version in Device Manager shows 2.0.5 or later.📡 Detection & Monitoring
Log Indicators:
- Kernel logs showing QAT driver errors or crashes
- System logs showing unauthorized memory access attempts
- Security logs showing privilege escalation attempts
Network Indicators:
- No network indicators - local vulnerability only
SIEM Query:
EventID 4688 (Process Creation) showing unusual QAT-related processes OR Sysmon EventID 10 (ProcessAccess) targeting QAT processes from non-privileged users