{
  "cveId": "CVE-2024-46870",
  "url": "https://patchblox.com/security/cve/CVE-2024-46870",
  "summary": "CVE-2024-46870 is fixed in 26 products on 1 platform, first by DEBIAN-CVE-2024-46870, released October 9, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "drm/amd/display: Disable DMCUB timeout for DCN35",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  drm/amd/display: Disable DMCUB timeout for DCN35  [Why] DMCUB can intermittently take longer than expected to process commands.  Old ASIC policy was to continue while logging a diagnostic error - which works fine for ASIC without IPS, but with IPS this could lead to a race condition where we attempt to access DCN state while it\u0027s inaccessible, leading to a system hang when the NIU port is not disabled or register accesses that timeout and the display configuration in an undefined state.  [How] We need to investigate why these accesses take longer than expected, but for now we should disable the timeout on DCN35 to avoid this race condition. Since the waits happen only at lower interrupt levels the risk of taking too long at higher IRQ and causing a system watchdog timeout are minimal.",
  "published": "2024-10-09T14:15:07Z",
  "severity": "medium",
  "cvss": 4.7,
  "cvssVector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "cwe": "Concurrent Execution using Shared Resource with Improper Synchronization (\u0026#39;Race Condition\u0026#39;)",
  "epss": 0.00131,
  "epssPercentile": 0.02751,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-46870",
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  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
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}