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CVE-2026-43337 drm/amd/display: Fix NULL pointer dereference in dcn401_init_hw()

🗓️ 08 May 2026 13:31:22Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 62 Views

Fix NULL pointer in dcn401_init_hw by validating update bounding box, clock manager, and bandwidth parameters.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-43337
8 May 202613:31
–attackerkb
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
20 May 202605:53
–astralinux
bdu_fstec
BDU FSTEC
Direct Rendering Infrastructure AMD GPU Driver Heap Overflow DoS
31 Aug 202600:00
–bdu_fstec
cnnvd
CNNVD
Linux Kernel Security Vulnerabilities
7 May 202616:00
–cnnvd
cve
CVE
CVE-2026-43337
8 May 202613:31
–cve
debian
Debian
[SECURITY] [DSA 6602-1] linux security update
2 Nov 202616:13
–debian
debiancve
Debian CVE
CVE-2026-43337
8 May 202613:31
–debiancve
euvd
EUVD
EUVD-2026-28621
8 May 202615:31
–euvd
nvd
NVD
CVE-2026-43337
8 May 202614:16
–nvd
nessus
Tenable Nessus
openSUSE 16: cluster-md-kmp-64kb / cluster-md-kmp-azure / cluster-md-kmp-default / etc (openSUSE-SU-2026:21388-1)
24 Jul 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/dc/hwss/dcn401/dcn401_hwseq.c"
    ],
    "versions": [
      {
        "version": "ca0fb243c3bb53dbbd71d16c76f319bf923ee3d4",
        "lessThan": "fcc51c81cb472eb460310c477460356dc4845ff7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca0fb243c3bb53dbbd71d16c76f319bf923ee3d4",
        "lessThan": "10c13c111d0d7f8e101c742feff264fc98e3f9f7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca0fb243c3bb53dbbd71d16c76f319bf923ee3d4",
        "lessThan": "2d4a6f0702c5211e0be8b688c5fc24f082ec74d6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca0fb243c3bb53dbbd71d16c76f319bf923ee3d4",
        "lessThan": "e927b36ae18b66b49219eaa9f46edc7b4fdbb25e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e13689793b9c0e7b5749954e77f5f85e68fe7138",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.11.3",
        "lessThan": "6.12",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "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/dc/hwss/dcn401/dcn401_hwseq.c"
    ],
    "versions": [
      {
        "version": "6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.114",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.22",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.12",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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