CVE-2025-27045
📋 TL;DR
This vulnerability in Qualcomm video drivers allows attackers to read sensitive information from kernel memory while processing batch commands. It affects devices using Qualcomm chipsets with vulnerable video drivers. The information disclosure could reveal system memory contents to unauthorized parties.
💻 Affected Systems
- Qualcomm chipsets with video drivers
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could extract sensitive kernel memory contents including cryptographic keys, passwords, or other privileged system information, potentially enabling further attacks.
Likely Case
Information disclosure of kernel memory contents that could reveal system state information or partial memory dumps, but not necessarily critical secrets.
If Mitigated
Limited information disclosure with minimal impact due to memory isolation and access controls preventing escalation.
🎯 Exploit Status
Requires local code execution or malicious app installation. Exploitation involves crafting specific batch commands to trigger the information disclosure.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Qualcomm security bulletin for specific patched driver versions
Vendor Advisory: https://docs.qualcomm.com/product/publicresources/securitybulletin/october-2025-bulletin.html
Restart Required: No
Instructions:
1. Check Qualcomm security bulletin for affected chipset/driver versions. 2. Obtain updated video driver from device manufacturer or Qualcomm. 3. Apply driver update following manufacturer instructions. 4. Verify driver version after update.
🔧 Temporary Workarounds
Restrict video driver permissions
allLimit which applications can access video driver interfaces to reduce attack surface
# Use SELinux/AppArmor policies to restrict video driver access
# Review and restrict app permissions related to graphics/video
🧯 If You Can't Patch
- Implement strict application vetting and installation controls to prevent malicious apps
- Use security monitoring to detect unusual video driver access patterns
🔍 How to Verify
Check if Vulnerable:
Check Qualcomm chipset and video driver version against affected versions in security bulletinCheck Version:
# On Android/Linux: dmesg | grep -i qualcomm or check /sys/class/graphics/fb0/device/versionVerify Fix Applied:
Verify video driver version matches patched version from Qualcomm advisory📡 Detection & Monitoring
Log Indicators:
- Unusual video driver access patterns
- Multiple batch command failures or unusual parameters in driver logs
Network Indicators:
- Not network exploitable - local vulnerability only
SIEM Query:
Search for video driver error events or unusual process accessing graphics subsystems