CVE-2024-49911
drm/amd/display: Add NULL check for function pointer in dcn20_set_output_transfer_func
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drm/amd/display: Add NULL check for function pointer in dcn20_set_output_transfer_func
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.
Reserved 2024-10-21 | Published 2024-10-21 | Updated 2025-05-04 | Assigner Linuxgit.kernel.org/...c/e8a24767899c86f4c5f1e4d3b2608942d054900f
git.kernel.org/...c/8c854138b593efbbd8fa46a25f3288c121c1d1a1
git.kernel.org/...c/02411e9359297512946705b1cd8cf5e6b0806fa0
git.kernel.org/...c/827380b114f83c30b3e56d1a675980b6d65f7c88
git.kernel.org/...c/62ed6f0f198da04e884062264df308277628004f
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