CVE-2023-52634
Vulnerability from cvelistv5
Published
2024-04-02 06:49
Modified
2024-08-02 23:03
Severity ?
Summary
drm/amd/display: Fix disable_otg_wa logic
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2ce156482a6fef349d2eba98e5070c412d3af662
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ce29728ef6485a367934cc100249c66dd3cde5b6
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

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            "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix disable_otg_wa logic\n\n[Why]\nWhen switching to another HDMI mode, we are unnecesarilly\ndisabling/enabling FIFO causing both HPO and DIG registers to be set at\nthe same time when only HPO is supposed to be set.\n\nThis can lead to a system hang the next time we change refresh rates as\nthere are cases when we don\u0027t disable OTG/FIFO but FIFO is enabled when\nit isn\u0027t supposed to be.\n\n[How]\nRemoving the enable/disable FIFO entirely."
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