CVE-2024-43884: Bluetooth: MGMT: Add error handling to pair_device()

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-08-26 · updated 2026-06-17
Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Add error handling to pair_device() hci_conn_params_add() never checks for a NULL value and could lead to a NULL pointer dereference causing a crash. Fixed by adding error handling in the function.

Affected products

Linux kernel: from 4.3 through 6.10.6; 6.11-rc1, 6.11-rc2, 6.11-rc3, 6.11-rc4

References

https://git.kernel.org/stable/c/064dd929c76532359d2905d90a7c12348043cfd4
https://git.kernel.org/stable/c/11b4b0e63f2621b33b2e107407a7d67a65994ca1
https://git.kernel.org/stable/c/538fd3921afac97158d4177139a0ad39f056dbb2
https://git.kernel.org/stable/c/5da2884292329bc9be32a7778e0e119f06abe503
https://git.kernel.org/stable/c/90e1ff1c15e5a8f3023ca8266e3a85869ed03ee9
https://git.kernel.org/stable/c/951d6cb5eaac5130d076c728f2a6db420621afdb
https://git.kernel.org/stable/c/9df9783bd85610d3d6e126a1aca221531f6f6dcb
https://git.kernel.org/stable/c/ee0799103b1ae4bcfd80dc11a15df085f6ee1b61
https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html
https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

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