FKIE_CVE-2024-38612

Vulnerability from fkie_nvd - Published: 2024-06-19 14:15 - Updated: 2026-05-12 12:16
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: fix invalid unregister error path The error path of seg6_init() is wrong in case CONFIG_IPV6_SEG6_LWTUNNEL is not defined. In that case if seg6_hmac_init() fails, the genl_unregister_family() isn't called. This issue exist since commit 46738b1317e1 ("ipv6: sr: add option to control lwtunnel support"), and commit 5559cea2d5aa ("ipv6: sr: fix possible use-after-free and null-ptr-deref") replaced unregister_pernet_subsys() with genl_unregister_family() in this error path.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/00e6335329f23ac6cf3105931691674e28bc598cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/10610575a3ac2a702bf5c57aa931beaf847949c7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/160e9d2752181fcf18c662e74022d77d3164cd45Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1a63730fb315bb1bab97edd69ff58ad45e04bb01Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3398a40dccb88d3a7eef378247a023a78472db66Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/646cd236c55e2cb5f146fc41bbe4034c4af5b2a4Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/85a70ff1e572160f1eeb096ed48d09a1c9d4d89aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c04d6a914e890ccea4a9d11233009a2ee7978bf4Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e77a3ec7ada84543e75722a1283785a6544de925Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/00e6335329f23ac6cf3105931691674e28bc598cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/10610575a3ac2a702bf5c57aa931beaf847949c7Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/160e9d2752181fcf18c662e74022d77d3164cd45Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/1a63730fb315bb1bab97edd69ff58ad45e04bb01Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3398a40dccb88d3a7eef378247a023a78472db66Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/646cd236c55e2cb5f146fc41bbe4034c4af5b2a4Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/85a70ff1e572160f1eeb096ed48d09a1c9d4d89aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c04d6a914e890ccea4a9d11233009a2ee7978bf4Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e77a3ec7ada84543e75722a1283785a6544de925Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-265688.html
0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-398330.html
0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-613116.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 *
To clipboard 

{
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: sr: fix invalid unregister error path\n\nThe error path of seg6_init() is wrong in case CONFIG_IPV6_SEG6_LWTUNNEL\nis not defined. In that case if seg6_hmac_init() fails, the\ngenl_unregister_family() isn\u0027t called.\n\nThis issue exist since commit 46738b1317e1 (\"ipv6: sr: add option to control\nlwtunnel support\"), and commit 5559cea2d5aa (\"ipv6: sr: fix possible\nuse-after-free and null-ptr-deref\") replaced unregister_pernet_subsys()\nwith genl_unregister_family() in this error path."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: ipv6: sr: corrige la ruta de error de cancelaci\u00f3n de registro no v\u00e1lida La ruta de error de seg6_init() es incorrecta en caso de que CONFIG_IPV6_SEG6_LWTUNNEL no est\u00e9 definido. En ese caso, si seg6_hmac_init() falla, no se llama a genl_unregister_family(). Este problema existe desde que el commit 46738b1317e1 (\"ipv6: sr: agregar opci\u00f3n para controlar la compatibilidad con lwtunnel\") y el commit 5559cea2d5aa (\"ipv6: sr: corregir posible use-after-free y null-ptr-deref\") reemplaz\u00f3 unregister_pernet_subsys() con genl_unregister_family() en esta ruta de error."
    }
  ],
  "id": "CVE-2024-38612",
  "lastModified": "2026-05-12T12:16:55.083",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
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  "published": "2024-06-19T14:15:21.060",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
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        {
          "lang": "en",
          "value": "CWE-416"
        },
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          "lang": "en",
          "value": "CWE-476"
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
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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

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.