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CVE-2024-27398 is a use-after-free vulnerability in the Linux kernel Bluetooth SCO socket timeout path. When an SCO connection is established and the SCO socket is subsequently released, socket cleanup can schedule delayed timeout work. The socket can then be deallocated before the delayed sco_sock_timeout worker executes, causing the worker to dereference and write to the freed socket object.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a proof-of-concept (PoC) exploit for CVE-2024-27398, a race condition vulnerability in the Linux kernel's Bluetooth SCO socket implementation. The repository consists of a README.md, which provides context, GDB output, and references, and a C source file (primitive-test-poc.c) that implements the exploit logic. The exploit works by creating a Bluetooth SCO socket and using multiple threads to race socket operations and a setsockopt call, while attempting to overwrite a kernel function pointer (sock_def_error_report) with a controlled value. This can potentially lead to kernel memory corruption, denial of service, or code execution, depending on the system's configuration and protections. The exploit is a local privilege escalation PoC and requires the ability to interact with Bluetooth sockets and kernel memory, making it primarily a local attack vector. The code is written in C and is intended for research and demonstration purposes.
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3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Linux kernel Bluetooth use-after-free vulnerability caused by sco_sock_timeout.
Use-after-free vulnerabilities in the Linux kernel Bluetooth SCO timeout handling.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.