What’s Vulnerable › Vulnerabilities

CVE-2026-98732: Bluetooth: btintel: fix buffer over-read in btintel_hw_error()

• Severity: unknown
• 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: 2026-10-18 · updated 2026-10-30

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel: fix buffer over-read in btintel_hw_error() The "Exception info %s" print uses skb->data + 1, but the 12-byte payload is not guaranteed to be NUL-terminated and can be read past its end. Bound the print with "%.*s" and skb->len - 1.

Affected products

• Linux: 4.3 — fixed in 7.3

How to fix

Upgrade to a fixed version: Linux 7.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0fa8630506f36374911772647bc5bcfeb47c5195
• https://git.kernel.org/stable/c/162bb126d5c07a0150a171f8f3f1996e445922b3
• https://git.kernel.org/stable/c/40eb4b18ad167b63644c27fa67a7400ba050379a
• https://git.kernel.org/stable/c/673f707518e8ef03306f84c512cb160971f175fe
• https://git.kernel.org/stable/c/bbc7de352f3f3864369c904aac944c7de84c6e7b
• https://git.kernel.org/stable/c/be58b239d2be5da7a7fac11d3eb8bf75dce6511b
• https://git.kernel.org/stable/c/c42ce5373405ca93946311652c51ccfeb1c2d913
• https://git.kernel.org/stable/c/d850e34c73175f5d7860b17f4810fcb6e5ab8727

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