Rapid7 Vulnerability & Exploit Database

Red Hat: CVE-2021-33034: CVE-2021-33034 kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan (Multiple Advisories)

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Red Hat: CVE-2021-33034: CVE-2021-33034 kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan (Multiple Advisories)

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
05/14/2021
Created
06/30/2021
Added
06/30/2021
Modified
03/13/2024

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.

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

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