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drm/amdgpu/pm/powerplay: bounds-check voltage index in SMU7 lookup

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/pm/powerplay: bounds-check voltage index in SMU7 lookup vddInd and vddcInd fields from VBIOS-parsed tables are used to index into voltage lookup tables without a bounds check. Return -EINVAL when any index is out of range.

Announced Source revision 1
Original source ↗

CVE-2026-93178

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-93178

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "c82baa28184356a75c0157129f88af42b2e7b695",
        "lessThan": "d9ef085114d1e3c2c1f869c0bdb275a7b358ce8b",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "c82baa28184356a75c0157129f88af42b2e7b695",
        "lessThan": "6f08c001fa6e8212930d694540ae8d9d6d3fb58a",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "c82baa28184356a75c0157129f88af42b2e7b695",
        "lessThan": "ce0d8e72836c9d3710a160ad848b0f1d096075e3",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "c82baa28184356a75c0157129f88af42b2e7b695",
        "lessThan": "745297208d31222f916cc04da313cb737b997935",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "c82baa28184356a75c0157129f88af42b2e7b695",
        "lessThan": "f925d317d84d401d642e537ea18ee12f67cb6983",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "c82baa28184356a75c0157129f88af42b2e7b695",
        "lessThan": "8a3db9f593b643904c6cc6d8a3f211c84ca6cf8a",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "c82baa28184356a75c0157129f88af42b2e7b695",
        "lessThan": "1664327ce797e09e387dc10cbbaa5b8d76558d2c",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "c82baa28184356a75c0157129f88af42b2e7b695",
        "lessThan": "3a8a05477cda6c8293e2b629495b42981dcaba32",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "4.5"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "4.5",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.10.270",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.221",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.188",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.157",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.110",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.52",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "7.2.6",
        "versionType": "semver",
        "lessThanOrEqual": "7.2.*"
      },
      {
        "status": "unaffected",
        "version": "7.3",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-93178

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#37890 · Revision 1
Added to Heist Feed
Publisher date
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