Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix NULL pointer deference on eir_get_service_data The len parameter is considered optional so it can be NULL so it cannot be used for skipping to next entry of EIR_SERVICE_DATA.
Affected products
linux: linux kernel; debian: debian linux
References6
- git.kernel.org/stable/c/20a2aa01f5aeb6daad9aeaa7c33dd512c58d81eb Patch
- git.kernel.org/stable/c/497c9d2d7d3983826bb02c10fb4a5818be6550fb Patch
- git.kernel.org/stable/c/4bf29910570666e668a60d953f8da78e95bb7fa2 Patch
- git.kernel.org/stable/c/7d99cc0f8e6fa0f35570887899f178122a61d44e Patch
- git.kernel.org/stable/c/842f7c3154d5b25ca11753c02ee8cf6ee64c0142 Patch
- lists.debian.org/debian-lts-announce/2025/10/msg00008.html Third Party Advisory
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 0% percentile: 7 · as of 7 November 2026
- CWE
- CWE-476
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.