FKIE_CVE-2024-36031

Vulnerability from fkie_nvd - Published: 2024-05-30 16:15 - Updated: 2026-06-17 07:35
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: keys: Fix overwrite of key expiration on instantiation The expiry time of a key is unconditionally overwritten during instantiation, defaulting to turn it permanent. This causes a problem for DNS resolution as the expiration set by user-space is overwritten to TIME64_MAX, disabling further DNS updates. Fix this by restoring the condition that key_set_expiry is only called when the pre-parser sets a specific expiry.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/25777f3f4e1f371d16a594925f31e37ce07b6ec7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/939a08bcd4334bad4b201e60bd0ae1f278d71d41Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9da27fb65a14c18efd4473e2e82b76b53ba60252Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ad2011ea787928b2accb5134f1e423b11fe80a8aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cc219cb8afbc40ec100c0de941047bb29373126aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e4519a016650e952ad9eb27937f8c447d5a4e06dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ed79b93f725cd0da39a265dc23d77add1527b9bePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/25777f3f4e1f371d16a594925f31e37ce07b6ec7Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/939a08bcd4334bad4b201e60bd0ae1f278d71d41Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/9da27fb65a14c18efd4473e2e82b76b53ba60252Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ad2011ea787928b2accb5134f1e423b11fe80a8aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/cc219cb8afbc40ec100c0de941047bb29373126aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e4519a016650e952ad9eb27937f8c447d5a4e06dPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ed79b93f725cd0da39a265dc23d77add1527b9bePatch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html
Impacted products
Vendor Product Version
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\nkeys: Fix overwrite of key expiration on instantiation\n\nThe expiry time of a key is unconditionally overwritten during\ninstantiation, defaulting to turn it permanent. This causes a problem\nfor DNS resolution as the expiration set by user-space is overwritten to\nTIME64_MAX, disabling further DNS updates. Fix this by restoring the\ncondition that key_set_expiry is only called when the pre-parser sets a\nspecific expiry."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: claves: se corrige la sobrescritura de la caducidad de la clave al crear instancias. El tiempo de caducidad de una clave se sobrescribe incondicionalmente durante la creaci\u00f3n de instancias, y de forma predeterminada se vuelve permanente. Esto causa un problema para la resoluci\u00f3n de DNS ya que la caducidad establecida por el espacio de usuario se sobrescribe en TIME64_MAX, lo que deshabilita m\u00e1s actualizaciones de DNS. Solucione este problema restaurando la condici\u00f3n de que key_set_expiry solo se llama cuando el analizador previo establece una caducidad espec\u00edfica."
    }
  ],
  "id": "CVE-2024-36031",
  "lastModified": "2026-06-17T07:35:59.683",
  "metrics": {
    "cvssMetricV31": [
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        "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"
      }
    ],
    "ssvcV203": [
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        "ssvcData": {
          "id": "CVE-2024-36031",
          "options": [
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              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-06-05T14:16:33.695503Z",
          "version": "2.0.3"
        }
      }
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  "published": "2024-05-30T16:15:11.410",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-324"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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Tags
Taxonomy of the tags.





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.