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CVE-2026-46245

🗓️ 03 Jun 2026 15:49:40Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 55 Views🌐 WEB

Fix null dc_link handling during hot plug detect initialization in AMD display driver.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
CNA
Node
linuxlinux_kernelRange4.156.19.4
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c"
    ],
    "versions": [
      {
        "version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
        "lessThan": "a490e4d3c9fed1e690c8de348416eea3a9f054ff",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
        "lessThan": "226a40c06a183abaeb7529a4f54d6c203bd14407",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c"
    ],
    "versions": [
      {
        "version": "4.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.4",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
dc_linkpathdrivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_irq.c:940Potential NULL pointer dereference when accessing dc_link->irq_source_hpd without ensuring dc_link is non-NULL.CWE-476
dc_link->irq_source_hpdpathdrivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_irq.c:940Potential NULL pointer dereference when accessing dc_link->irq_source_hpd without ensuring dc_link is non-NULL.CWE-476

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22 Jul 2026 20:10Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.15.5
EPSS0.00108
55