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Fixed

LIN1021-7 : Security Advisory - linux - CVE-2021-33034

Created: May 17, 2021 Updated: May 13, 2022

Resolved Date: May 25, 2021

Found In Version: 10.21.20.1

Fix Version: 10.21.20.1

Severity: Standard

Applicable for: Wind River Linux LTS 21

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