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CVE-2026-72300 (GCVE-0-2026-72300)

Vulnerability from cvelistv5 – Published: 2026-08-15 05:55 – Updated: 2026-08-17 05:12
VLAI
Title
ASoC: SOF: topology: validate vendor array size before parsing
Summary
In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: topology: validate vendor array size before parsing sof_parse_token_sets() reads array->size while iterating over topology private data. The loop condition only checks that some data remains, so a malformed topology with a truncated trailing vendor array can make the parser read the size field before a full vendor-array header is available. Validate that the remaining private data contains a complete snd_soc_tplg_vendor_array header before reading array->size. The declared array size check also needs to remain signed. asize is an int, but sizeof(*array) has type size_t, so comparing them directly promotes negative asize values to unsigned and lets them pass the check, as reported in the stable review thread reference below. Cast sizeof(*array) to int when validating the declared array size. This rejects negative, zero and otherwise too-small sizes before the parser dispatches to the tuple-specific code.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 5c37bd025068381f5bdbbf6a5ae3a1da8f6ed928 , < 7c6d2d2baeb1e62dc8c6951d27edc16c5ea6e3aa (git)
Affected: 06d4938e41d62af7b5b3f39eb239f58b21f50443 , < a40e250414b463e953c54cd2a829c9a9a49a78c3 (git)
Affected: 55024322915539098f7a7dd318351c7a003ff041 , < d34deef34c99bb4b3ebd2ac51058857827a20e7e (git)
Affected: 215e5fe75881a7e2425df04aeeed47a903d5cd5d , < 201b60c4d15538fcc3c0c2ea9b75dd7d0f58022c (git)
Affected: 215e5fe75881a7e2425df04aeeed47a903d5cd5d , < 8468dd79cfb2ffbdeaf7c353f63d64941cb8ba05 (git)
Affected: 756c48bdf23050def518e85929be6edea9ae6823 (git)
Affected: 6.6.136 , < 6.6.145 (semver)
Affected: 6.12.83 , < 6.12.97 (semver)
Affected: 6.18.24 , < 6.18.40 (semver)
Affected: 6.19.14 , < 6.20 (semver)
guessed Create a notification for this product.
Linux Linux Affected: 7.0
Unaffected: 0 , < 7.0 (semver)
Unaffected: 6.6.145 , ≤ 6.6.* (semver)
Unaffected: 6.12.97 , ≤ 6.12.* (semver)
Unaffected: 6.18.40 , ≤ 6.18.* (semver)
Unaffected: 7.1.5 , ≤ 7.1.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: SOF: topology: validate vendor array size before parsing\n\nsof_parse_token_sets() reads array-\u003esize while iterating over topology\nprivate data. The loop condition only checks that some data remains, so a\nmalformed topology with a truncated trailing vendor array can make the\nparser read the size field before a full vendor-array header is available.\n\nValidate that the remaining private data contains a complete\nsnd_soc_tplg_vendor_array header before reading array-\u003esize.\n\nThe declared array size check also needs to remain signed. asize is an int,\nbut sizeof(*array) has type size_t, so comparing them directly promotes\nnegative asize values to unsigned and lets them pass the check,\nas reported in the stable review thread reference below.\n\nCast sizeof(*array) to int when validating the declared array size. This\nrejects negative, zero and otherwise too-small sizes before the parser\ndispatches to the tuple-specific code."
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    "dateReserved": "2026-08-09T03:40:39.918Z",
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-18T07:12:04+00:00",
      "cve": "CVE-2026-72300",
      "id": "CVE-2026-72300",
      "initial_release_date": "2026-08-15T00:00:00+00:00",
      "product_status:known_affected": "184",
      "product_status:known_not_affected": "90",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: ASoC: SOF: topology: validate vendor array size before parsing",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-72300.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-01T13:30:39Z",
      "cve": "CVE-2026-72300",
      "id": "CVE-2026-72300",
      "initial_release_date": "2026-09-01T13:30:39Z",
      "product_status:known_not_affected": "362",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-72300",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-72300.json",
      "version": "2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.