Skip to content
Heist/ feed
High

greybus: audio: bound the topology section sizes against the fetched size

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: greybus: audio: bound the topology section sizes against the fetched size gb_audio_gb_get_topology() fetches a topology blob of a module-supplied size, and gbaudio_tplg_parse_data() then walks it by adding the module-supplied size_dais, size_controls and size_widgets fields to form the control, widget and route section offsets. Those le32 sizes are never checked against the fetched blob, so a module reporting a small topology size but large section sizes makes the offsets point past the allocation, and parsing reads out of bounds. Reject a topology whose section sizes do not fit within the fetched size before it is parsed.

Announced Group revision 1
Original source ↗

CVE-2026-93280

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-2026-93280

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": "184992e305f1de3a3d5fa446da3a2bc76be7c54a",
        "lessThan": "ba86de9f7b0d7903d2df5ea2373e34d8ca3fc43e",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "184992e305f1de3a3d5fa446da3a2bc76be7c54a",
        "lessThan": "dd5593aee0a0fb353e1164aff7b65e563fe1f232",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "184992e305f1de3a3d5fa446da3a2bc76be7c54a",
        "lessThan": "6f764363b3173d805be11e59a8f23ecee2d420d5",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "184992e305f1de3a3d5fa446da3a2bc76be7c54a",
        "lessThan": "52daf9de692ebac813d110eb1e677dc0e1f4a5ab",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "184992e305f1de3a3d5fa446da3a2bc76be7c54a",
        "lessThan": "d0f6eaba60705bacd9bb4ce48eab50ef3f546777",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "184992e305f1de3a3d5fa446da3a2bc76be7c54a",
        "lessThan": "c9191f2e2f35f1209eb2dc24b31129dd47b48c16",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "184992e305f1de3a3d5fa446da3a2bc76be7c54a",
        "lessThan": "cfcc5a41a9664eb68023aae4cd0d485b256bd7c7",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "184992e305f1de3a3d5fa446da3a2bc76be7c54a",
        "lessThan": "33d8c7b794d2a30637c9d3fcb478f1d3222bef1e",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "drivers/staging/greybus/audio_gb.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "4.9"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "4.9",
        "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/staging/greybus/audio_gb.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-93280

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#37973 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement

Revision history

  1. CVE-2026-93280 · Revision 1Source updated