CVE-2024-27370
📋 TL;DR
This vulnerability in Samsung Exynos mobile processors allows attackers to overwrite heap memory by sending unvalidated input to the slsi_nan_config_get_nl_params() function. This affects devices using Exynos 980, 850, 1280, 1380, and 1330 chipsets, potentially enabling arbitrary code execution or system crashes.
💻 Affected Systems
- Samsung Mobile Processor Exynos 980
- Samsung Mobile Processor Exynos 850
- Samsung Mobile Processor Exynos 1280
- Samsung Mobile Processor Exynos 1380
- Samsung Mobile Processor Exynos 1330
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full device compromise with kernel-level code execution, allowing complete control over affected mobile devices.
Likely Case
Device instability, crashes, or denial of service through heap corruption, potentially leading to privilege escalation.
If Mitigated
Limited impact if proper input validation is implemented or vulnerable functions are restricted.
🎯 Exploit Status
Requires local access or malicious app with appropriate permissions; heap manipulation requires specific knowledge of memory layout.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Samsung security updates for specific device models
Vendor Advisory: https://semiconductor.samsung.com/support/quality-support/product-security-updates/
Restart Required: Yes
Instructions:
1. Check for security updates in device settings. 2. Install latest firmware update from Samsung. 3. Reboot device after installation.
🔧 Temporary Workarounds
Restrict local app permissions
allLimit app permissions and install only from trusted sources to reduce attack surface.
🧯 If You Can't Patch
- Isolate affected devices from critical networks
- Monitor for unusual app behavior or system crashes
🔍 How to Verify
Check if Vulnerable:
Check device model and processor in Settings > About Phone; verify if using affected Exynos chipset.Check Version:
Not applicable - check through device settings interfaceVerify Fix Applied:
Check security patch level in Settings > About Phone > Software Information; ensure latest Samsung security updates are installed.📡 Detection & Monitoring
Log Indicators:
- Kernel panic logs
- System crash reports
- Unusual memory access patterns in system logs
Network Indicators:
- Not applicable - local vulnerability
SIEM Query:
Not applicable for typical mobile device monitoring