# CVE-2022-47518: linux: An issue was discovered in the Linux kernel before 6.0.11

CVE-2022-47518 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-47518, released December 18, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-47518
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0032
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 18, 2022

## Description

An issue was discovered in the Linux kernel before 6.0.11. Missing validation of the number of channels in drivers/net/wireless/microchip/wilc1000/cfg80211.c in the WILC1000 wireless driver can trigger a heap-based buffer overflow when copying the list of operating channels from Wi-Fi management frames.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.0.12-1 | [DEBIAN-CVE-2022-47518](https://patchblox.com/security/data/fix/linux/debian-cve-2022-47518.md) | Dec 18, 2022 |
| Linux | linux Debian 13.5 (trixie) | 6.0.12-1 | [DEBIAN-CVE-2022-47518](https://patchblox.com/security/data/fix/linux/debian-cve-2022-47518.md) | Dec 18, 2022 |
| Linux | linux Debian 14 | 6.0.12-1 | [DEBIAN-CVE-2022-47518](https://patchblox.com/security/data/fix/linux/debian-cve-2022-47518.md) | Dec 18, 2022 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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