CVE-2021-33034

PoC ×2—

CVSS 3.1

7.8 high

EPSS

<1%p55

Published

May 14, 2021 (May 14, 2021)

Modified

Aug 13, 2026

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.

Vendors: linux fedoraproject debian
Products: linux kernel, fedora, debian linux
Weakness: CWE-416
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.8%)

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