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THREATINT
PUBLISHED

CVE-2024-49911

drm/amd/display: Add NULL check for function pointer in dcn20_set_output_transfer_func



AssignerLinux
Reserved2024-10-21
Published2024-10-21
Updated2024-11-05

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add NULL check for function pointer in dcn20_set_output_transfer_func This commit adds a null check for the set_output_gamma function pointer in the dcn20_set_output_transfer_func function. Previously, set_output_gamma was being checked for null at line 1030, but then it was being dereferenced without any null check at line 1048. This could potentially lead to a null pointer dereference error if set_output_gamma is null. To fix this, we now ensure that set_output_gamma is not null before dereferencing it. We do this by adding a null check for set_output_gamma before the call to set_output_gamma at line 1048.

Product status

Default status
unaffected

1da177e4c3f4 before 02411e935929
affected

1da177e4c3f4 before 827380b114f8
affected

1da177e4c3f4 before 62ed6f0f198d
affected

Default status
affected

6.10.14
unaffected

6.11.3
unaffected

6.12-rc1
unaffected

References

https://git.kernel.org/stable/c/02411e9359297512946705b1cd8cf5e6b0806fa0

https://git.kernel.org/stable/c/827380b114f83c30b3e56d1a675980b6d65f7c88

https://git.kernel.org/stable/c/62ed6f0f198da04e884062264df308277628004f

cve.org CVE-2024-49911

nvd.nist.gov CVE-2024-49911

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