CERTFR-2026-AVI-0452

Vulnerability from certfr_avis - Published: 2026-04-17 - Updated: 2026-04-17

De multiples vulnérabilités ont été découvertes dans le noyau Linux de Red Hat. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire, une élévation de privilèges et une atteinte à la confidentialité des données.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

None
Impacted products
Vendor Product Description
Red Hat N/A Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.0 x86_64
Red Hat N/A Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 ppc64le
Red Hat N/A Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0 x86_64
Red Hat N/A Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0 ppc64le
Red Hat N/A Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0 s390x
Red Hat N/A Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 aarch64
Red Hat N/A Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.0 s390x
Red Hat N/A Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.0 ppc64le
Red Hat N/A Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0 s390x
Red Hat N/A Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0 aarch64
Red Hat N/A Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.0 aarch64
Red Hat N/A Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.0 x86_64
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.0 x86_64",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 ppc64le",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0 x86_64",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0 ppc64le",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0 s390x",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 aarch64",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.0 s390x",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.0 ppc64le",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0 s390x",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0 aarch64",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.0 aarch64",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.0 x86_64",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": null,
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2026-23204",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-23204"
    },
    {
      "name": "CVE-2026-23144",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-23144"
    },
    {
      "name": "CVE-2026-23171",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-23171"
    },
    {
      "name": "CVE-2025-71238",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-71238"
    }
  ],
  "initial_release_date": "2026-04-17T00:00:00",
  "last_revision_date": "2026-04-17T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0452",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-04-17T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Ex\u00e9cution de code arbitraire"
    },
    {
      "description": "D\u00e9ni de service"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    },
    {
      "description": "\u00c9l\u00e9vation de privil\u00e8ges"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans le noyau Linux de Red Hat. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire, une \u00e9l\u00e9vation de privil\u00e8ges et une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de Red Hat",
  "vendor_advisories": [
    {
      "published_at": "2026-04-15",
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:8342",
      "url": "https://access.redhat.com/errata/RHSA-2026:8342"
    }
  ]
}


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Sightings

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  • 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.