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CVE-2024-50201

Disclosure Date: November 08, 2024 •
CVE-2024-50201
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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)

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CVSS V3 Severity and Metrics
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General Information

Offensive Application
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OS
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Vulnerable Versions
Linux df75c78bfeff
Linux not down converted
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Vendors

  • Linux

Products

  • Linux
Technical Analysis