GHSA-GJGQ-73MH-6P69
Vulnerability from github – Published: 2024-04-02 09:30 – Updated: 2025-03-17 15:31In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Fix disable_otg_wa logic
[Why] When switching to another HDMI mode, we are unnecesarilly disabling/enabling FIFO causing both HPO and DIG registers to be set at the same time when only HPO is supposed to be set.
This can lead to a system hang the next time we change refresh rates as there are cases when we don't disable OTG/FIFO but FIFO is enabled when it isn't supposed to be.
[How] Removing the enable/disable FIFO entirely.
{
"affected": [],
"aliases": [
"CVE-2023-52634"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-04-02T07:15:41Z",
"severity": "MODERATE"
},
"details": "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.",
"id": "GHSA-gjgq-73mh-6p69",
"modified": "2025-03-17T15:31:37Z",
"published": "2024-04-02T09:30:40Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52634"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/2ce156482a6fef349d2eba98e5070c412d3af662"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/ce29728ef6485a367934cc100249c66dd3cde5b6"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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