# CVE-2022-50233: Bluetooth: eir: Fix using strlen with hdev->{dev_name,short_name}

CVE-2022-50233 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-50233, released August 9, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-50233
- Priority: Routine
- CVSS: 5.5 (Moderate)
- EPSS: 0.0015
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 9, 2025
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-50233

## Description

In the Linux kernel, the following vulnerability has been resolved:  Bluetooth: eir: Fix using strlen with hdev->{dev_name,short_name}  Both dev_name and short_name are not guaranteed to be NULL terminated so this instead use strnlen and then attempt to determine if the resulting string needs to be truncated or not.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.0.2-1 | [DEBIAN-CVE-2022-50233](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50233.md) | Aug 9, 2025 |
| Linux | linux Debian 13.5 (trixie) | 6.0.2-1 | [DEBIAN-CVE-2022-50233](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50233.md) | Aug 9, 2025 |
| Linux | linux Debian 14 | 6.0.2-1 | [DEBIAN-CVE-2022-50233](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50233.md) | Aug 9, 2025 |

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