CVE-2023-31083

CVE Details

Release Date:2023-04-17

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.

See more information about CVE-2023-31083 from MITRE CVE dictionary and NIST NVD


CVSS Scoring


NOTE: The following CVSS v3.1 metrics and score provided are preliminary and subject to review.

Base Score: 4.7 CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector: Local network Attack Complexity: High
Privileges Required: Low User Interaction: None
Scope: Unchanged Confidentiality Impact: None
Integrity Impact: None Availability Impact: High

Errata information


PlatformErrataRelease Date
Oracle Linux version 7 (kernel-uek)ELSA-2024-128132024-11-12
Oracle Linux version 8 (kernel)ELSA-2024-31382024-05-23
Oracle Linux version 8 (kernel-uek)ELSA-2024-128132024-11-12
Oracle Linux version 8 (kernel-uek)ELSA-2024-128152024-11-11
Oracle Linux version 9 (kernel)ELSA-2024-23942024-05-02
Oracle Linux version 9 (kernel-uek)ELSA-2024-128152024-11-11


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