CVE-2021-33034

HIGH

Linux kernel <5.12.4 - Use After Free

Title source: llm

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-33034. PoCs published by Trinadh465.

AI-analyzed exploit summary The repository contains only documentation files and build scripts from a Linux kernel source tree, with no actual exploit code or technical analysis related to CVE-2021-33034. It appears to be a partial or mislabeled kernel documentation dump.

Description

In the Linux kernel before 5.12.4, net/bluetooth/hci_event.c has a use-after-free when destroying an hci_chan, aka CID-5c4c8c954409. This leads to writing an arbitrary value.

Exploits (1)

nomisec STUB

by Trinadh465 · poc

https://github.com/Trinadh465/device_renesas_kernel_AOSP10_r33_CVE-2021-33034

View Code ZIP pw:eip

The repository contains only documentation files and build scripts from a Linux kernel source tree, with no actual exploit code or technical analysis related to CVE-2021-33034. It appears to be a partial or mislabeled kernel documentation dump.

Classification

Stub 90%

Attack Type

Other

Complexity

Trivial

Reliability

Theoretical

Target: Linux kernel (unspecified version)

No auth needed

Prerequisites: none

devstral-2 · analyzed Feb 18, 2026 Full analysis →