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A slab out-of-bounds write exists in the decode_data function of drivers/net/hamradio/6pack.c in the Linux kernel prior to version 5.13.13. The vulnerability can be triggered by input from a process with CAP_NET_ADMIN capability, allowing an attacker to write outside the bounds of allocated memory in the kernel slab allocator.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (1 hidden).
This repository contains a local privilege escalation exploit for CVE-2021-42008, a vulnerability in the Linux 6pack driver. The main exploit code is in '6pack_exploit.c', which is a C program designed to run on Debian 11 with kernel 5.10.0-8-amd64, but may affect other Linux systems with the 6pack driver. The exploit abuses a memory corruption bug to overwrite the kernel's modprobe_path, then drops a payload at /tmp/asd and executes it as root, resulting in root privileges and the creation of a new user 'pwn'. The Makefile is used to compile the exploit, and the debug/ directory contains scripts for debugging and running the exploit in a QEMU virtual machine. The README provides a brief description and a link to a detailed vulnerability analysis. The exploit requires local access and is not a remote exploit. The main fingerprintable endpoints are the file paths /tmp/asd, /tmp/x, /dev/ptmx, and /sys/module/6pack/sections/.text. The repository is operational and provides a working exploit with a hardcoded payload.
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1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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