What’s Vulnerable › Vulnerabilities

CVE-2025-38303: Bluetooth: eir: Fix possible crashes on eir_create_adv_data

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-10 · updated 2026-10-21

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: eir: Fix possible crashes on eir_create_adv_data eir_create_adv_data may attempt to add EIR_FLAGS and EIR_TX_POWER without checking if that would fit.

Affected products

• Linux kernel: from 5.16 before 6.12.34; from 6.13 before 6.15.3; 6.16-rc1 — fixed in 6.12.34, 6.15.3

How to fix

Upgrade to a fixed version: Linux kernel 6.12.34, 6.15.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/2af40d795d3fb0ee5c074b7ac56ab22402aa6e4f
• https://git.kernel.org/stable/c/2d4588f55cc10fc228f3b46469dbfb3f0a8b13c8
• https://git.kernel.org/stable/c/47c03902269aff377f959dc3fd94a9733aa31d6e
• https://git.kernel.org/stable/c/b9db0c27e73b7c8a19384a44af527edfda74ff3d
• https://git.kernel.org/stable/c/e98ce4b70beab73563d82bd21821024140e6da06

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