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An issue was discovered in drivers/bluetooth/hci_ldisc.c...

Moderate severity Unreviewed Published Apr 24, 2023 to the GitHub Advisory Database • Updated Apr 3, 2024

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

An issue was discovered in drivers/bluetooth/hci_ldisc.c in the Linux kernel 6.2. In hci_uart_tty_ioctl, there is a race condition between HCIUARTSETPROTO and HCIUARTGETPROTO. HCI_UART_PROTO_SET is set before hu->proto is set. A NULL pointer dereference may occur.

References

Published by the National Vulnerability Database Apr 24, 2023
Published to the GitHub Advisory Database Apr 24, 2023
Last updated Apr 3, 2024

Severity

Moderate
4.7
/ 10

CVSS base metrics

Attack vector
Local
Attack complexity
High
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CVE ID

CVE-2023-31083

GHSA ID

GHSA-cv34-v4cf-53pq

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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