CVE-2025-47333

Q: What is the severity of CVE-2025-47333?

CVE-2025-47333 has a CVSS score of 6.6 (MEDIUM). This vulnerability allows memory corruption in Qualcomm's cryptographic driver when handling buffer mapping operations. Attackers could potentially execute arbitrary code or cause denial of service. Affected systems include devices using Qualcomm chipsets with vulnerable cryptographic drivers.

6.6 MEDIUM

📋 TL;DR

This vulnerability allows memory corruption in Qualcomm's cryptographic driver when handling buffer mapping operations. Attackers could potentially execute arbitrary code or cause denial of service. Affected systems include devices using Qualcomm chipsets with vulnerable cryptographic drivers.

💻 Affected Systems

Products:

Qualcomm chipsets with cryptographic drivers

Versions: Specific versions not detailed in provided reference

Operating Systems: Android, Linux-based systems using Qualcomm drivers

Default Config Vulnerable: ⚠️ Yes

Notes: Affects systems where cryptographic operations are performed through vulnerable driver. Exact product list requires checking Qualcomm advisory.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution leading to complete system compromise, data theft, or persistent backdoor installation.

🟠

Likely Case

Local privilege escalation or denial of service affecting cryptographic operations and system stability.

🟢

If Mitigated

Limited impact with proper memory protection mechanisms and driver sandboxing in place.

🌐 Internet-Facing: MEDIUM

🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ✅ No

Complexity: MEDIUM

Requires local access or ability to trigger cryptographic operations. Memory corruption vulnerabilities often lead to reliable exploitation.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Refer to Qualcomm January 2026 security bulletin

Vendor Advisory: https://docs.qualcomm.com/product/publicresources/securitybulletin/january-2026-bulletin.html

Restart Required: Yes

Instructions:

1. Check Qualcomm advisory for specific patch versions. 2. Apply vendor-provided driver updates. 3. Reboot system to load patched driver.

🔧 Temporary Workarounds

Disable vulnerable cryptographic operations

linux

Temporarily disable or restrict access to cryptographic driver functions

# System-specific - consult vendor documentation

Implement memory protection

linux

Enable kernel memory protection features like ASLR and stack canaries

echo 2 > /proc/sys/kernel/randomize_va_space
Recompile kernel with appropriate protections

🧯 If You Can't Patch

Isolate affected systems from untrusted networks
Implement strict access controls to limit who can trigger cryptographic operations

🔍 How to Verify

Check if Vulnerable:

Check driver version against Qualcomm advisory: lsmod | grep -i crypto, dmesg | grep -i qualcomm

Check Version:

modinfo <driver_name> | grep version, or check /sys/module/<module>/version

Verify Fix Applied:

Verify driver version matches patched version from Qualcomm bulletin

📡 Detection & Monitoring

Log Indicators:

Kernel panic messages
Driver crash logs
Unexpected cryptographic operation failures

Network Indicators:

Unusual cryptographic service requests
Abnormal driver behavior patterns

SIEM Query:

source="kernel" AND ("panic" OR "oops") AND "crypto" OR "qualcomm"

📊 Metadata

CVE ID: CVE-2025-47333

CVSS v3 Score: 6.6 (MEDIUM)

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L

CWE: CWE-416

EPSS Score: 0.02% exploit probability (3.4th percentile)

Published: January 7, 2026

Last Updated: January 28, 2026

🔗 References

https://docs.qualcomm.com/product/publicresources/securitybulletin/january-2026-bulletin.html Patch,Vendor Advisory

📋 TL;DR

💻 Affected Systems

📦 What is this software?

Aqt1000 Firmware by Qualcomm

Ar8031 Firmware by Qualcomm

Ar8035 Firmware by Qualcomm

C V2x 9150 Firmware by Qualcomm

Csra6620 Firmware by Qualcomm

Csra6640 Firmware by Qualcomm

Csrb31024 Firmware by Qualcomm

Fastconnect 6200 Firmware by Qualcomm

Fastconnect 6700 Firmware by Qualcomm

Fastconnect 6800 Firmware by Qualcomm

Fastconnect 6900 Firmware by Qualcomm

Fastconnect 7800 Firmware by Qualcomm

Flight Rb5 5g Platform Firmware by Qualcomm

Fsm10056 Firmware by Qualcomm

Mdm9628 Firmware by Qualcomm

Qam8255p Firmware by Qualcomm

Qam8295p Firmware by Qualcomm

Qam8650p Firmware by Qualcomm

Qam8775p Firmware by Qualcomm

Qamsrv1h Firmware by Qualcomm

Qamsrv1m Firmware by Qualcomm

Qca2066 Firmware by Qualcomm

Qca6174a Firmware by Qualcomm

Qca6391 Firmware by Qualcomm

Qca6564 Firmware by Qualcomm

Qca6564a Firmware by Qualcomm

Qca6564au Firmware by Qualcomm

Qca6574 Firmware by Qualcomm

Qca6574a Firmware by Qualcomm

Qca6574au Firmware by Qualcomm

Qca6584au Firmware by Qualcomm

Qca6595 Firmware by Qualcomm

Qca6595au Firmware by Qualcomm

Qca6678aq Firmware by Qualcomm

Qca6688aq Firmware by Qualcomm

Qca6696 Firmware by Qualcomm

Qca6698aq Firmware by Qualcomm

Qca6698au Firmware by Qualcomm

Qca6797aq Firmware by Qualcomm

Qca8081 Firmware by Qualcomm

Qca8337 Firmware by Qualcomm

Qca9367 Firmware by Qualcomm

Qca9377 Firmware by Qualcomm

Qcc710 Firmware by Qualcomm

Qcm2290 Firmware by Qualcomm

Qcm4490 Firmware by Qualcomm

Qcm5430 Firmware by Qualcomm

Qcm6125 Firmware by Qualcomm

Qcm6490 Firmware by Qualcomm

Qcm8550 Firmware by Qualcomm

Qcn6024 Firmware by Qualcomm

Qcn6224 Firmware by Qualcomm

Qcn6274 Firmware by Qualcomm

Qcn9011 Firmware by Qualcomm

Qcn9012 Firmware by Qualcomm

Qcn9024 Firmware by Qualcomm

Qcs2290 Firmware by Qualcomm

Qcs410 Firmware by Qualcomm

Qcs4490 Firmware by Qualcomm

Qcs5430 Firmware by Qualcomm

Qcs610 Firmware by Qualcomm

Qcs6125 Firmware by Qualcomm

Qcs6490 Firmware by Qualcomm

Qcs7230 Firmware by Qualcomm

Qcs8250 Firmware by Qualcomm

Qcs8550 Firmware by Qualcomm

Qdu1010 Firmware by Qualcomm

Qdx1010 Firmware by Qualcomm

Qdx1011 Firmware by Qualcomm

Qep8111 Firmware by Qualcomm

Qfw7114 Firmware by Qualcomm

Qfw7124 Firmware by Qualcomm

Qmp1000 Firmware by Qualcomm

Qrb5165m Firmware by Qualcomm

Qrb5165n Firmware by Qualcomm

Qualcomm 215 Mobile Platform Firmware by Qualcomm

Robotics Rb2 Platform Firmware by Qualcomm