Wind River Support Network

HomeDefectsLIN1018-7671

Fixed

LIN1018-7671 : Security Advisory - linux - CVE-2021-33034

Created: May 16, 2021 Updated: Apr 21, 2022

Resolved Date: Jun 15, 2021

Found In Version: 10.18.44.1

Fix Version: 10.18.44.23

Severity: Standard

Applicable for: Wind River Linux LTS 18

Component/s: Kernel

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.

CREATE(Triage):(User=admin) CVE-2021-33034 (https://nvd.nist.gov/vuln/detail/CVE-2021-33034)

CVEs

CVE-2021-33034