CVE-2024-58042
📋 TL;DR
This CVE describes a potential deadlock vulnerability in the Linux kernel's rhashtable implementation. The issue could cause system hangs or crashes when specific locking conditions occur during hash table operations. It affects Linux systems using the vulnerable kernel versions.
💻 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 →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
System deadlock leading to kernel panic, system crash, or denial of service requiring physical reboot.
Likely Case
System instability, application crashes, or performance degradation when hash table operations trigger the deadlock condition.
If Mitigated
Minor performance impact or no noticeable effect if the deadlock scenario isn't triggered.
🎯 Exploit Status
Exploitation requires triggering specific deadlock conditions; more likely to cause system instability than remote compromise.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check specific kernel versions from git commits: ced8ce3c83a7150c5f5d371a8c332d7bc7f9b66d, e1d3422c95f003eba241c176adfe593c33e8a8f6, eb2e58484b838fb4e777ee9721bb9e20e6ca971d
Vendor Advisory: https://git.kernel.org/stable/c/ced8ce3c83a7150c5f5d371a8c332d7bc7f9b66d
Restart Required: Yes
Instructions:
1. Update Linux kernel to patched version. 2. Reboot system to load new kernel. 3. Verify kernel version after reboot.
🔧 Temporary Workarounds
No effective workaround
linuxThis is a kernel-level deadlock issue; no configuration changes or workarounds are available.
🧯 If You Can't Patch
- Monitor system stability and performance for signs of deadlock
- Implement robust monitoring and alerting for system crashes or hangs
🔍 How to Verify
Check if Vulnerable:
Check kernel version and compare with patched versions from git commitsCheck Version:
uname -rVerify Fix Applied:
Verify kernel version matches patched version and system stability is maintained📡 Detection & Monitoring
Log Indicators:
- Kernel panic messages
- System hang/crash logs
- Lockdep warnings in dmesg
SIEM Query:
Search for kernel panic, deadlock, or system crash events in system logs