CVE-2024-58001 – This CVE addresses a memory handling issue in t... (How to Fix)

Q: What is the severity of CVE-2024-58001?

CVE-2024-58001 has a CVSS score of 5.5 (MEDIUM). This CVE addresses a memory handling issue in the Linux kernel's OCFS2 filesystem driver where a symlink read error doesn't properly unlock a page before returning. This could lead to resource exhaustion or system instability. Affected systems are those running Linux kernels with OCFS2 filesystem support enabled.

📋 TL;DR

This CVE addresses a memory handling issue in the Linux kernel's OCFS2 filesystem driver where a symlink read error doesn't properly unlock a page before returning. This could lead to resource exhaustion or system instability. Affected systems are those running Linux kernels with OCFS2 filesystem support enabled.

💻 Affected Systems

Products:

Linux kernel

Versions: Specific affected kernel versions not specified in CVE, but patches exist in stable branches

Operating Systems: Linux distributions with OCFS2 support

Default Config Vulnerable: ✅ No

Notes: Only vulnerable if OCFS2 filesystem is compiled into kernel or loaded as module and in use

📦 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...

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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 →

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 →

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 crash or denial of service due to resource exhaustion from locked pages accumulating

🟠

Likely Case

Local denial of service affecting OCFS2 filesystem operations

🟢

If Mitigated

Minimal impact as OCFS2 is typically used in clustered storage environments with limited exposure

🌐 Internet-Facing: LOW - Requires local filesystem access and OCFS2 usage

🏢 Internal Only: MEDIUM - Could affect internal storage clusters using OCFS2

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ✅ No

Complexity: MEDIUM

Requires local access and ability to trigger symlink read errors on OCFS2 filesystem

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Patches available in stable kernel branches (commits listed in references)

Vendor Advisory: https://git.kernel.org/stable/c/2b4c2094da6d84e69b843dd3317902e977bf64bd

Restart Required: Yes

Instructions:

1. Update Linux kernel to patched version from distribution vendor 2. Rebuild kernel if using custom build 3. Reboot system

🔧 Temporary Workarounds

Disable OCFS2 module

linux

Unload OCFS2 kernel module if not required

modprobe -r ocfs2

Blacklist OCFS2 module

linux

Prevent OCFS2 module from loading

echo 'blacklist ocfs2' >> /etc/modprobe.d/blacklist.conf

🧯 If You Can't Patch

Monitor system logs for OCFS2 errors and resource exhaustion warnings
Restrict access to systems using OCFS2 filesystems to trusted users only

🔍 How to Verify

Check if Vulnerable:

Check if OCFS2 module is loaded: lsmod | grep ocfs2

Check Version:

uname -r

Verify Fix Applied:

Check kernel version against patched versions in git.kernel.org references

📡 Detection & Monitoring

Log Indicators:

Kernel logs showing OCFS2 errors
System logs indicating memory/page lock issues

Network Indicators:

None - local filesystem vulnerability

SIEM Query:

source="kernel" AND "ocfs2" AND ("error" OR "failed" OR "lock")

📊 Metadata

CVE ID: CVE-2024-58001

CVSS v3 Score: 5.5 (MEDIUM)

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

EPSS Score: 0.04% exploit probability (12.8th percentile)

Published: February 27, 2025

Last Updated: November 3, 2025

🔗 References

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