FKIE_CVE-2025-38079

Vulnerability from fkie_nvd - Published: 2025-06-18 10:15 - Updated: 2026-07-30 06:22
Severity
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: crypto: algif_hash - fix double free in hash_accept If accept(2) is called on socket type algif_hash with MSG_MORE flag set and crypto_ahash_import fails, sk2 is freed. However, it is also freed in af_alg_release, leading to slab-use-after-free error.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0346f4b742345d1c733c977f3a7aef5a6419a967Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/134daaba93193df9e988524b5cd2f52d15eb1993Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2f45a8d64fb4ed4830a4b3273834ecd6ca504896Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5bff312b59b3f2a54ff504e4f4e47272b64f3633Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b2df03ed4052e97126267e8c13ad4204ea6ba9b6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bf7bba75b91539e93615f560893a599c1e1c98bfPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c3059d58f79fdfb2201249c2741514e34562b547Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f0f3d09f53534ea385d55ced408f2b67059b16e4Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlThird Party Advisory
0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-082556.html
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.15
linux linux_kernel 6.15
linux linux_kernel 6.15
linux linux_kernel 6.15
linux linux_kernel 6.15
linux linux_kernel 6.15
linux linux_kernel 6.15
debian debian_linux 11.0
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: algif_hash - fix double free in hash_accept\n\nIf accept(2) is called on socket type algif_hash with\nMSG_MORE flag set and crypto_ahash_import fails,\nsk2 is freed. However, it is also freed in af_alg_release,\nleading to slab-use-after-free error."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: crypto: algif_hash - correcci\u00f3n de doble liberaci\u00f3n en hash_accept. Si se ejecuta accept(2) en el socket tipo algif_hash con el indicador MSG_MORE activado y crypto_ahash_import falla, se libera sk2. Sin embargo, tambi\u00e9n se libera en af_alg_release, lo que genera un error de uso de slab despu\u00e9s de la liberaci\u00f3n."
    }
  ],
  "id": "CVE-2025-38079",
  "lastModified": "2026-07-30T06:22:48.573",
  "metrics": {
    "cvssMetricV31": [
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
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          "confidentialityImpact": "HIGH",
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        "type": "Secondary"
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        "ssvcData": {
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          "options": [
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            {
              "automatable": "no"
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            {
              "technicalImpact": "total"
            }
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          "role": "CISA Coordinator",
          "timestamp": "2026-06-10T20:41:20.938858Z",
          "version": "2.0.3"
        }
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  "published": "2025-06-18T10:15:41.510",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-415"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
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  ]
}



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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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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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