CVE-2025-27069

7.8 HIGH

📋 TL;DR

This vulnerability allows memory corruption when processing DDI command calls in Qualcomm components, potentially enabling attackers to execute arbitrary code or cause denial of service. It affects systems using vulnerable Qualcomm hardware or drivers. The impact depends on the specific implementation and access level.

💻 Affected Systems

Products:
  • Qualcomm chipsets and associated drivers
Versions: Specific versions listed in Qualcomm August 2025 security bulletin
Operating Systems: Android, Linux-based systems using Qualcomm drivers
Default Config Vulnerable: ⚠️ Yes
Notes: Affects systems with Qualcomm hardware components that use the vulnerable DDI implementation

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution with kernel privileges leading to complete system compromise

🟠

Likely Case

Local privilege escalation or denial of service affecting system stability

🟢

If Mitigated

Limited impact with proper memory protections and exploit mitigations in place

🌐 Internet-Facing: MEDIUM - Could be exploited if vulnerable service is exposed, but requires specific conditions
🏢 Internal Only: HIGH - Local attackers or malicious applications could exploit this for privilege escalation

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires local access or ability to trigger DDI commands. Memory corruption vulnerabilities often lead to reliable exploits.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Versions specified in Qualcomm August 2025 security bulletin

Vendor Advisory: https://docs.qualcomm.com/product/publicresources/securitybulletin/august-2025-bulletin.html

Restart Required: Yes

Instructions:

1. Check Qualcomm security bulletin for affected components. 2. Obtain updated firmware/drivers from device manufacturer. 3. Apply patches following manufacturer instructions. 4. Reboot system to activate fixes.

🔧 Temporary Workarounds

Restrict DDI command access

linux

Limit access to DDI command interfaces to trusted processes only

Implement SELinux/AppArmor policies to restrict DDI access
Use capability bounding sets to limit privileged operations

🧯 If You Can't Patch

  • Implement strict application sandboxing to limit potential damage
  • Deploy exploit mitigation technologies (ASLR, DEP, stack canaries)

🔍 How to Verify

Check if Vulnerable:

Check Qualcomm component versions against August 2025 security bulletin. Use 'getprop ro.bootloader' or similar on Android devices.

Check Version:

Device-specific commands vary by manufacturer. Check system properties or firmware version information.

Verify Fix Applied:

Verify updated Qualcomm component versions match patched versions in security bulletin

📡 Detection & Monitoring

Log Indicators:

  • Kernel panic logs
  • Memory access violation errors
  • Unexpected DDI command patterns

Network Indicators:

  • Not typically network-exploitable unless via remote service

SIEM Query:

Search for kernel panic events or memory corruption errors in system logs

🔗 References

📤 Share & Export