CVE-2024-53082
📋 TL;DR
This CVE addresses an out-of-bounds read/write vulnerability in the Linux kernel's virtio_net driver. The vulnerability occurs when setting or reading hash keys without proper length validation, potentially allowing local attackers to read or corrupt kernel memory. Systems using virtio networking with affected kernel versions are vulnerable.
💻 Affected Systems
- Linux kernel virtio_net driver
📦 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 →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 to kernel-level access, system crash, or information disclosure through kernel memory corruption.
Likely Case
System instability, kernel panic, or denial of service affecting virtual machines using virtio networking.
If Mitigated
Minimal impact if systems are properly segmented and access to virtio interfaces is restricted.
🎯 Exploit Status
Requires local access and ability to interact with virtio networking interfaces; exploitation details not publicly documented.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check specific kernel commits: 3f7d9c1964fcd16d02a8a9d4fd6f6cb60c4cc530, 6a18a783b1fa590ad1ed785907263e4b86adcfe2, af0aa8aecbe8985079232902894cc4cb62795691, f3401e3c8d339ddb6ccb2e3d11ad634b7846a806
Vendor Advisory: https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
Restart Required: Yes
Instructions:
1. Update Linux kernel to patched version from your distribution. 2. For Debian: Apply security updates via apt-get update && apt-get upgrade. 3. Reboot system to load new kernel.
🔧 Temporary Workarounds
Disable virtio networking
linuxRemove or disable virtio network interfaces if not required
# Check virtio interfaces: ip link show
# Disable specific interface: ip link set <interface> down
🧯 If You Can't Patch
- Restrict local user access to systems using virtio networking
- Implement strict access controls and monitoring for virtio device interactions
🔍 How to Verify
Check if Vulnerable:
Check kernel version and if virtio_net module is loaded: lsmod | grep virtio_net && uname -rCheck Version:
uname -rVerify Fix Applied:
Verify kernel version is updated beyond patched commits and virtio_net module loads without errors📡 Detection & Monitoring
Log Indicators:
- Kernel panic logs
- Out of bounds memory access errors in kernel logs
- virtio_net driver crash messages
Network Indicators:
- Unexpected virtio network interface behavior
- VM networking disruptions
SIEM Query:
source="kernel" AND ("virtio_net" OR "out of bounds")🔗 References
- https://git.kernel.org/stable/c/3f7d9c1964fcd16d02a8a9d4fd6f6cb60c4cc530
- https://git.kernel.org/stable/c/6a18a783b1fa590ad1ed785907263e4b86adcfe2
- https://git.kernel.org/stable/c/af0aa8aecbe8985079232902894cc4cb62795691
- https://git.kernel.org/stable/c/f3401e3c8d339ddb6ccb2e3d11ad634b7846a806
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
