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CVE-2026-46245 drm/amd/display: Fix dc_link NULL handling in HPD init

🗓️ 03 Jun 2026 15:49:40Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 75 Views

Fix dc link null handling in HPD init to avoid dereferencing null during HPD setup.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-46245
3 Jun 202615:49
–attackerkb
bdu_fstec
BDU FSTEC
Direct Rendering Infrastructure AMD GPU Buffer Overflow DoS
3 Sep 202600:00
–bdu_fstec
cgr
Chainguard
CVE-2026-46245 vulnerabilities
16 Jul 202602:17
–cgr
cnnvd
CNNVD
Linux Kernel Security Vulnerabilities
2 Jun 202616:00
–cnnvd
cve
CVE
CVE-2026-46245
3 Jun 202615:49
–cve
debiancve
Debian CVE
CVE-2026-46245
3 Jun 202615:49
–debiancve
nessus
Tenable Nessus
EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-2971)
6 Aug 202600:00
–nessus
nessus
Tenable Nessus
EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-3021)
6 Aug 202600:00
–nessus
nessus
Tenable Nessus
EulerOS 2.0 SP11 : kernel (EulerOS-SA-2026-3071)
8 Aug 202600:00
–nessus
nessus
Tenable Nessus
EulerOS 2.0 SP11 : kernel (EulerOS-SA-2026-3126)
8 Aug 202600:00
–nessus
Rows per page
[
  {
    "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": "d772e8570f19ac05fd9b11c8af86ada98f35f0c8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
        "lessThan": "0965f1e775130e325e74152d867d2e8ce865fa05",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
        "lessThan": "1d15503e454bf117a0d0078332d48df86a41c828",
        "status": "affected",
        "versionType": "git"
      },
      {
        "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": "6.6.160",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.114",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.57",
        "lessThanOrEqual": "6.18.*",
        "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"
      }
    ]
  }
]

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