CVE-2024-49835

Q: What is the severity of CVE-2024-49835?

CVE-2024-49835 has a CVSS score of 7.8 (HIGH). This CVE describes a memory corruption vulnerability in Qualcomm's secure file reading functionality. Attackers could exploit this to execute arbitrary code or cause denial of service. The vulnerability affects devices using Qualcomm chipsets with the vulnerable component.

7.8 HIGH

📋 TL;DR

This CVE describes a memory corruption vulnerability in Qualcomm's secure file reading functionality. Attackers could exploit this to execute arbitrary code or cause denial of service. The vulnerability affects devices using Qualcomm chipsets with the vulnerable component.

💻 Affected Systems

Products:

Qualcomm chipsets with secure file handling components

Versions: Specific versions not detailed in reference; check Qualcomm advisory

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

Default Config Vulnerable: ⚠️ Yes

Notes: Affects devices with Qualcomm chipsets that include the vulnerable secure file component

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution with kernel privileges leading to complete device compromise

🟠

Likely Case

Application crash or denial of service affecting device stability

🟢

If Mitigated

Limited impact due to exploit complexity and security controls

🌐 Internet-Facing: MEDIUM

🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ✅ No

Complexity: MEDIUM

Exploitation requires local access or ability to trigger secure file operations

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check Qualcomm May 2025 security bulletin for specific patched versions

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

Restart Required: Yes

Instructions:

1. Check Qualcomm advisory for affected chipset versions. 2. Obtain firmware/software updates from device manufacturer. 3. Apply updates following manufacturer instructions. 4. Reboot device after update.

🔧 Temporary Workarounds

Restrict secure file access

linux

Limit which applications can access secure file operations

# Requires SELinux/AppArmor policies or application permission restrictions

🧯 If You Can't Patch

Implement strict application sandboxing and privilege separation
Monitor for abnormal memory usage patterns and application crashes

🔍 How to Verify

Check if Vulnerable:

Check device chipset version and compare against Qualcomm's affected list in advisory

Check Version:

# Android: getprop ro.boot.hardware
# Linux: cat /proc/cpuinfo | grep -i qualcomm

Verify Fix Applied:

Verify firmware/software version matches patched versions in Qualcomm bulletin

📡 Detection & Monitoring

Log Indicators:

Kernel panic logs
Application crashes related to secure file operations
Memory corruption error messages

Network Indicators:

Unusual local process communication attempting file operations

SIEM Query:

source="kernel" AND ("panic" OR "corruption" OR "segfault") AND process="*secure*"

📊 Metadata

CVE ID: CVE-2024-49835

CVSS v3 Score: 7.8 (HIGH)

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

CWE: CWE-787

EPSS Score: 0.03% exploit probability (6.5th percentile)

Published: May 6, 2025

Last Updated: May 9, 2025

🔗 References

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

📋 TL;DR

💻 Affected Systems

📦 What is this software?

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Ar8035 Firmware by Qualcomm

Csra6620 Firmware by Qualcomm

Csra6640 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

Qam8255p Firmware by Qualcomm

Qam8295p Firmware by Qualcomm

Qam8620p Firmware by Qualcomm

Qam8650p Firmware by Qualcomm

Qam8775p Firmware by Qualcomm

Qamsrv1h Firmware by Qualcomm

Qamsrv1m Firmware by Qualcomm

Qca6174a Firmware by Qualcomm

Qca6391 Firmware by Qualcomm

Qca6420 Firmware by Qualcomm

Qca6421 Firmware by Qualcomm

Qca6426 Firmware by Qualcomm

Qca6430 Firmware by Qualcomm

Qca6431 Firmware by Qualcomm

Qca6436 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

Qca6797aq Firmware by Qualcomm

Qca8081 Firmware by Qualcomm

Qca8337 Firmware by Qualcomm

Qcc710 Firmware by Qualcomm

Qcm2290 Firmware by Qualcomm

Qcm4290 Firmware by Qualcomm

Qcm5430 Firmware by Qualcomm

Qcm6125 Firmware by Qualcomm

Qcm6490 Firmware by Qualcomm

Qcm8550 Firmware by Qualcomm

Qcn6224 Firmware by Qualcomm

Qcn6274 Firmware by Qualcomm

Qcn7606 Firmware by Qualcomm

Qcn9274 Firmware by Qualcomm

Qcs2290 Firmware by Qualcomm

Qcs4290 Firmware by Qualcomm

Qcs5430 Firmware by Qualcomm

Qcs6125 Firmware by Qualcomm

Qcs615 Firmware by Qualcomm

Qcs6490 Firmware by Qualcomm

Qcs8300 Firmware by Qualcomm

Qcs8550 Firmware by Qualcomm

Qcs9100 Firmware by Qualcomm

Qdu1000 Firmware by Qualcomm

Qdu1010 Firmware by Qualcomm

Qdu1110 Firmware by Qualcomm

Qdu1210 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

Qru1032 Firmware by Qualcomm

Qru1052 Firmware by Qualcomm

Qru1062 Firmware by Qualcomm

Qsm8350 Firmware by Qualcomm

Robotics Rb2 Firmware by Qualcomm

Sa4150p Firmware by Qualcomm

Sa6145p Firmware by Qualcomm

Sa6150p Firmware by Qualcomm

Sa6155 Firmware by Qualcomm

Sa6155p Firmware by Qualcomm