CVE-2024-58067
📋 TL;DR
This CVE involves a NULL pointer dereference vulnerability in the Linux kernel's clock controller driver for PXA1908 processors. If exploited, it could cause a kernel panic or system crash, affecting systems running vulnerable Linux kernel versions with this specific hardware support. The vulnerability requires local access to trigger.
💻 Affected Systems
- Linux kernel
📦 What is this software?
Linux Kernel by Linux
The Linux Kernel is the core component of the Linux operating system, serving as the critical interface between computer hardware and software processes. As the heart of millions of servers, cloud infrastructure, embedded systems, Android devices, and IoT deployments worldwide, the Linux Kernel mana...
Learn more about Linux Kernel →⚠️ Risk & Real-World Impact
Worst Case
Kernel panic leading to system crash and denial of service, potentially causing data loss or service disruption.
Likely Case
Local denial of service through kernel panic, requiring system reboot to recover.
If Mitigated
Minimal impact with proper access controls preventing local user exploitation.
🎯 Exploit Status
Requires local access and knowledge of triggering the specific clock driver code path. No public exploit code identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Kernel versions with commit 0869a7b2afdfcdd2beb0a5fb683119bcf39c0e9d or 7def56f841af22e07977e193eea002e085facbdb
Vendor Advisory: https://git.kernel.org/stable/c/0869a7b2afdfcdd2beb0a5fb683119bcf39c0e9d
Restart Required: Yes
Instructions:
1. Update to patched kernel version from your distribution vendor. 2. Rebuild kernel if using custom build. 3. Reboot system to load new kernel.
🔧 Temporary Workarounds
Disable PXA1908 clock driver module
linuxPrevent loading of vulnerable kernel module if not needed
echo 'blacklist pxa1908-mpmu' >> /etc/modprobe.d/blacklist.conf
rmmod pxa1908-mpmu
🧯 If You Can't Patch
- Restrict local user access to prevent exploitation
- Implement monitoring for kernel panic events and system crashes
🔍 How to Verify
Check if Vulnerable:
Check kernel version and configuration for PXA1908 support: grep -i pxa1908 /boot/config-$(uname -r) && uname -rCheck Version:
uname -rVerify Fix Applied:
Verify kernel version is updated and check for presence of fix commit: git log --oneline | grep -E '0869a7b2afdf|7def56f841af'📡 Detection & Monitoring
Log Indicators:
- Kernel panic messages in /var/log/kern.log or dmesg
- System crash/reboot events
Network Indicators:
- None - local exploitation only
SIEM Query:
source="kern.log" AND "kernel panic" OR "Oops"