CVE-2024-27401
📋 TL;DR
A vulnerability in the Linux kernel's firewire nosy driver could allow local attackers to cause buffer overflows by providing insufficient buffer sizes when reading packet contents. This affects systems with firewire interfaces and the nosy driver loaded. Attackers need local access to exploit this vulnerability.
💻 Affected Systems
- Linux kernel
📦 What is this software?
Fedora by Fedoraproject
Fedora by Fedoraproject
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 →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 →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
Local privilege escalation leading to full system compromise through kernel memory corruption
Likely Case
Local denial of service (kernel panic/crash) or information disclosure
If Mitigated
No impact if firewire interfaces are disabled or nosy driver not loaded
🎯 Exploit Status
Requires local access and knowledge of firewire interface exploitation
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Kernel versions containing commits 1fe60ee70943, 38762a0763c1, 4ee0941da10e, 539d51ac48bc, or 67f34f093c0f
Vendor Advisory: https://git.kernel.org/stable/c/1fe60ee709436550f8cfbab01295936b868d5baa
Restart Required: Yes
Instructions:
1. Update Linux kernel to patched version from your distribution's repositories. 2. Reboot system to load new kernel.
🔧 Temporary Workarounds
Disable firewire module
linuxPrevent loading of firewire drivers if not needed
echo 'blacklist firewire-core' >> /etc/modprobe.d/blacklist-firewire.conf
rmmod firewire-core
rmmod firewire-ohci
Remove firewire hardware
allPhysically remove firewire interfaces if not required
🧯 If You Can't Patch
- Disable firewire interfaces in BIOS/UEFI if possible
- Restrict local user access to systems with firewire hardware
🔍 How to Verify
Check if Vulnerable:
Check if firewire modules are loaded: lsmod | grep -i firewireCheck Version:
uname -rVerify Fix Applied:
Check kernel version against distribution's security advisories and verify firewire modules are not loaded if not needed📡 Detection & Monitoring
Log Indicators:
- Kernel oops/panic messages related to firewire
- System crashes when accessing firewire devices
SIEM Query:
source="kernel" AND ("firewire" OR "nosy") AND ("panic" OR "oops" OR "BUG")🔗 References
- https://git.kernel.org/stable/c/1fe60ee709436550f8cfbab01295936b868d5baa
- https://git.kernel.org/stable/c/38762a0763c10c24a4915feee722d7aa6e73eb98
- https://git.kernel.org/stable/c/4ee0941da10e8fdcdb34756b877efd3282594c1f
- https://git.kernel.org/stable/c/539d51ac48bcfcfa1b3d4a85f8df92fa22c1d41c
- https://git.kernel.org/stable/c/67f34f093c0f7bf33f5b4ae64d3d695a3b978285
- https://git.kernel.org/stable/c/79f988d3ffc1aa778fc5181bdfab312e57956c6b
- https://git.kernel.org/stable/c/7b8c7bd2296e95b38a6ff346242356a2e7190239
- https://git.kernel.org/stable/c/cca330c59c54207567a648357835f59df9a286bb
- https://git.kernel.org/stable/c/1fe60ee709436550f8cfbab01295936b868d5baa
- https://git.kernel.org/stable/c/38762a0763c10c24a4915feee722d7aa6e73eb98
- https://git.kernel.org/stable/c/4ee0941da10e8fdcdb34756b877efd3282594c1f
- https://git.kernel.org/stable/c/539d51ac48bcfcfa1b3d4a85f8df92fa22c1d41c
- https://git.kernel.org/stable/c/67f34f093c0f7bf33f5b4ae64d3d695a3b978285
- https://git.kernel.org/stable/c/79f988d3ffc1aa778fc5181bdfab312e57956c6b
- https://git.kernel.org/stable/c/7b8c7bd2296e95b38a6ff346242356a2e7190239
- https://git.kernel.org/stable/c/cca330c59c54207567a648357835f59df9a286bb
- https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DW2MIOIMOFUSNLHLRYX23AFR36BMKD65/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OTB4HWU2PTVW5NEYHHLOCXDKG3PYA534/
