CVE-2024-50201

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)

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/1a235af0216411a32ab4db54f7bd19020b46c86d	Patch
https://git.kernel.org/stable/c/28127dba64d8ae1a0b737b973d6d029908599611	Patch
https://git.kernel.org/stable/c/68801730ebb9393460b30cd3885e407f15da27a9	Patch
https://git.kernel.org/stable/c/c3cd27d85f0778f4ec07384d7516b33153759b8e	Patch
https://git.kernel.org/stable/c/df75c78bfeff99f9b4815c3e79e2b1b1e34fe264	Patch
https://git.kernel.org/stable/c/fda5dc80121b12871dc343ab37e0c3f0d138825d	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:6.12:rc1::::::
	cpe:2.3:o:linux:linux_kernel:6.12:rc2::::::
	cpe:2.3:o:linux:linux_kernel:6.12:rc3::::::

History

No history.

Information

Published : 2024-11-08 06:15

Updated : 2024-11-19 16:08

NVD link : CVE-2024-50201

Mitre link : CVE-2024-50201

CVE.ORG link : CVE-2024-50201

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo

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En el pasado, nada validaba que los controladores estuvieran completando possible_clones correctamente, pero eso cambi\u00f3 en el commit 74d2aacbe840 (\"drm: Validate encoder->possible_clones\"). Parece que Radeon nunca recibi\u00f3 la nota y todav\u00eda no sigue las reglas correctamente al 100%. Esto genera algunas advertencias durante la inicializaci\u00f3n del controlador: Possible_clones falsos: [ENCODER:46:TV-46] possible_clones=0x4 (full encoder mask=0x7) ADVERTENCIA: CPU: 0 PID: 170 en drivers/gpu/drm/drm_mode_config.c:615 drm_mode_config_validate+0x113/0x39c ... 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