CVE-2023-2002

Severity: medium (CVSS 6.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-05-26 · updated 2026-06-17
Weakness: CWE-250

Description

A vulnerability was found in the HCI sockets implementation due to a missing capability check in net/bluetooth/hci_sock.c in the Linux Kernel. This flaw allows an attacker to unauthorized execution of management commands, compromising the confidentiality, integrity, and availability of Bluetooth communication.

Affected products

Debian Linux: 10.0, 11.0
Linux kernel: before 6.4 — fixed in 6.4

How to fix

Upgrade to a fixed version: Linux kernel 6.4. Check the vendor advisory for mitigations.

References

https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
https://security.netapp.com/advisory/ntap-20240202-0004/
https://www.debian.org/security/2023/dsa-5480
https://www.openwall.com/lists/oss-security/2023/04/16/3
https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
https://security.netapp.com/advisory/ntap-20240202-0004/
https://www.debian.org/security/2023/dsa-5480
https://www.openwall.com/lists/oss-security/2023/04/16/3

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