What’s Vulnerable › Vulnerabilities

CVE-2026-98110: Bluetooth: btintel: bound firmware ID by TLV length

• Severity: high (CVSS 7.1 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: 2026-09-25 · updated 2026-10-28
• Weakness: CWE-125

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel: bound firmware ID by TLV length The firmware ID is treated as a NUL-terminated string even though the TLV length is its only boundary. If the value does not contain a NUL terminator, snprintf() can read beyond the received response. Limit the conversion to the advertised TLV value length.

Affected products

• Linux kernel: from 6.11 before 6.12.111; from 6.13 before 6.18.53; from 6.19 before 7.2.7; 7.3-rc1 — fixed in 6.12.111, 6.18.53, 7.2.7
• Linux kernel: 6.11 — fixed in 7.3

How to fix

Upgrade to a fixed version: Linux kernel 6.12.111, 6.18.53, 7.2.7; Linux kernel 7.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/058f56de5f48ba4b3be01526006ac83ce9e79f39
• https://git.kernel.org/stable/c/a07b3024a927892dd46e7dfbed438e8834e24098
• https://git.kernel.org/stable/c/ac8aa9e0ec93a12a60230066f199f49c3b9aac3d
• https://git.kernel.org/stable/c/aef56a2bd5aa22808ce508605d7497d2b5e8eb5f

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