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Red Hat: CVE-2023-28464: Kernel: double free in hci_conn_cleanup of the bluetooth subsystem (Multiple Advisories)

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Red Hat: CVE-2023-28464: Kernel: double free in hci_conn_cleanup of the bluetooth subsystem (Multiple Advisories)

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
03/31/2023
Created
05/24/2024
Added
05/23/2024
Modified
05/23/2024

Description

hci_conn_cleanup in net/bluetooth/hci_conn.c in the Linux kernel through 6.2.9 has a use-after-free (observed in hci_conn_hash_flush) because of calls to hci_dev_put and hci_conn_put. There is a double free that may lead to privilege escalation.

Solution(s)

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

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