CVE-2025-68346 (GCVE-0-2025-68346)

Vulnerability from cvelistv5 – Published: 2025-12-24 10:32 – Updated: 2026-05-11 21:51
VLAI
Title
ALSA: dice: fix buffer overflow in detect_stream_formats()
Summary
In the Linux kernel, the following vulnerability has been resolved: ALSA: dice: fix buffer overflow in detect_stream_formats() The function detect_stream_formats() reads the stream_count value directly from a FireWire device without validating it. This can lead to out-of-bounds writes when a malicious device provides a stream_count value greater than MAX_STREAMS. Fix by applying the same validation to both TX and RX stream counts in detect_stream_formats().
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 58579c056c1c9510ae6695ed8e01ee05bbdcfb23 , < d6280a5b00cad37d9a9a875849e5bf7ed2fe4950 (git)
Affected: 58579c056c1c9510ae6695ed8e01ee05bbdcfb23 , < 3cf854cec0eb371da47ff5fe56eab189d7fa623a (git)
Affected: 58579c056c1c9510ae6695ed8e01ee05bbdcfb23 , < 4a6ab0f6cc9bdfdfecbf257a46ff4275bd965af4 (git)
Affected: 58579c056c1c9510ae6695ed8e01ee05bbdcfb23 , < dea3ed2c16f99f46f97b1a090bf80ecdd6972ce0 (git)
Affected: 58579c056c1c9510ae6695ed8e01ee05bbdcfb23 , < c0a1fe1902ad23e6d48e0f68be1258ccf7a163e6 (git)
Affected: 58579c056c1c9510ae6695ed8e01ee05bbdcfb23 , < 932aa1e80b022419cf9710e970739b7a8794f27c (git)
Affected: 58579c056c1c9510ae6695ed8e01ee05bbdcfb23 , < 1e1b3207a53e50d5a66289fffc1f7d52cd9c50f9 (git)
Affected: 58579c056c1c9510ae6695ed8e01ee05bbdcfb23 , < 324f3e03e8a85931ce0880654e3c3eb38b0f0bba (git)
Create a notification for this product.
Linux Linux Affected: 4.18
Unaffected: 0 , < 4.18 (semver)
Unaffected: 5.10.248 , ≤ 5.10.* (semver)
Unaffected: 5.15.198 , ≤ 5.15.* (semver)
Unaffected: 6.1.160 , ≤ 6.1.* (semver)
Unaffected: 6.6.120 , ≤ 6.6.* (semver)
Unaffected: 6.12.63 , ≤ 6.12.* (semver)
Unaffected: 6.17.13 , ≤ 6.17.* (semver)
Unaffected: 6.18.2 , ≤ 6.18.* (semver)
Unaffected: 6.19 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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{
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: dice: fix buffer overflow in detect_stream_formats()\n\nThe function detect_stream_formats() reads the stream_count value directly\nfrom a FireWire device without validating it. This can lead to\nout-of-bounds writes when a malicious device provides a stream_count value\ngreater than MAX_STREAMS.\n\nFix by applying the same validation to both TX and RX stream counts in\ndetect_stream_formats()."
        }
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      "providerMetadata": {
        "dateUpdated": "2026-05-11T21:51:25.174Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-68346",
    "datePublished": "2025-12-24T10:32:39.101Z",
    "dateReserved": "2025-12-16T14:48:05.299Z",
    "dateUpdated": "2026-05-11T21:51:25.174Z",
    "state": "PUBLISHED"
  },
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      "date": "2026-08-06",
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      "percentile": "0.10444"
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-30T01:43:23+00:00",
      "cve": "CVE-2025-68346",
      "id": "CVE-2025-68346",
      "initial_release_date": "2025-12-24T00:00:00+00:00",
      "product_status:known_affected": "48",
      "product_status:known_not_affected": "226",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: ALSA: dice: fix buffer overflow in detect_stream_formats()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-68346.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-25T00:25:41Z",
      "cve": "CVE-2025-68346",
      "id": "CVE-2025-68346",
      "initial_release_date": "2025-12-25T00:24:49Z",
      "product_status:first_fixed": "2",
      "product_status:known_affected": "561",
      "product_status:known_not_affected": "159",
      "product_status:recommended": "408",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2025-68346",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-68346.json",
      "version": "38"
    }
  }
}



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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

Author Source Type Date Other

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.