CVE-2025-38315

Bluetooth: btintel: Check dsbr size from EFI variable

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel: Check dsbr size from EFI variable Since the size of struct btintel_dsbr is already known, we can just start there instead of querying the EFI variable size. If the final result doesn't match what we expect also fail. This fixes a stack buffer overflow when the EFI variable is larger than struct btintel_dsbr.

N/A

CVSS

Severity:

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/9427f6081f37c795a8bd29d0ee72a4da3bd64af8
https://git.kernel.org/stable/c/7b8526bb489780ccc0caffc446ecabec83cfe568
https://git.kernel.org/stable/c/3aa1dc3c9060e335e82e9c182bf3d1db29220b1b

Frequently Asked Questions

What is the severity of CVE-2025-38315?: CVE-2025-38315 has not yet been assigned a CVSS score.
How to fix CVE-2025-38315?: To fix CVE-2025-38315, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-38315 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2025-38315 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-38315?: CVE-2025-38315 affects Linux Linux, Linux Linux.

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