CVE-2026-46230 drm/amdgpu/vcn3: Prevent OOB reads when parsing dec msg

🗓️ 28 May 2026 09:40:52Reported by LinuxType

Prevents out-of-bounds reads when parsing decoder messages by validating against the buffer end.

Reporter	Title	Published	Views	Family All 206
ATTACKERKB	CVE-2026-46230	28 May 202609:40	–	attackerkb
CNNVD	Linux kernel 安全漏洞	28 May 202600:00	–	cnnvd
CVE	CVE-2026-46230	28 May 202609:40	–	cve
Debian CVE	CVE-2026-46230	28 May 202609:40	–	debiancve
EUVD	EUVD-2026-32857	28 May 202609:40	–	euvd
Microsoft CVE	drm/amdgpu/vcn3: Prevent OOB reads when parsing dec msg	29 May 202608:06	–	mscve
NVD	CVE-2026-46230	28 May 202610:16	–	nvd
OSV	BELL-CVE-2026-46230	2 Jun 202606:11	–	osv
OSV	DEBIAN-CVE-2026-46230	28 May 202610:16	–	osv
OSV	ECHO-CFD6-6C5E-5AB3	28 May 202623:19	–	osv

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c"
    ],
    "versions": [
      {
        "version": "87cc7f9ebf7ce10f82250002d667ef3e93a79d44",
        "lessThan": "f55552adb100eb54a6e6dabff4fbdc8679bd3fa0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "87cc7f9ebf7ce10f82250002d667ef3e93a79d44",
        "lessThan": "82c535eff05490c71153af57de9fe85502fcb5d5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "87cc7f9ebf7ce10f82250002d667ef3e93a79d44",
        "lessThan": "638d3e0b9eb77aa53fdd60e2b928761d16ba76fa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "87cc7f9ebf7ce10f82250002d667ef3e93a79d44",
        "lessThan": "870c8738c3774336baedddd0240951d078a703b8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "87cc7f9ebf7ce10f82250002d667ef3e93a79d44",
        "lessThan": "638e48ee39d0f2af9336f917a6f5d6692dd64d93",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "87cc7f9ebf7ce10f82250002d667ef3e93a79d44",
        "lessThan": "e382e0b81a3e7bd21504fee1d01ae8b08f84d3a7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "87cc7f9ebf7ce10f82250002d667ef3e93a79d44",
        "lessThan": "b193019860d61e92da395eae2011f2f6716b182f",
        "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/amdgpu/vcn_v3_0.c"
    ],
    "versions": [
      {
        "version": "5.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.13",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.209",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.140",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.90",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.32",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.9",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/82c535eff05490c71153af57de9fe85502fcb5d5
git	www.git.kernel.org/stable/c/870c8738c3774336baedddd0240951d078a703b8
git	www.git.kernel.org/stable/c/b193019860d61e92da395eae2011f2f6716b182f
git	www.git.kernel.org/stable/c/e382e0b81a3e7bd21504fee1d01ae8b08f84d3a7
git	www.git.kernel.org/stable/c/f55552adb100eb54a6e6dabff4fbdc8679bd3fa0
git	www.git.kernel.org/stable/c/638e48ee39d0f2af9336f917a6f5d6692dd64d93
git	www.git.kernel.org/stable/c/638d3e0b9eb77aa53fdd60e2b928761d16ba76fa

14 Jun 2026 18:04Current

CVSS 3.17.1

EPSS0.00122