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CERTFR-2026-AVI-0521

Vulnerability from certfr_avis - Published: 2026-04-30 - Updated: 2026-04-30

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 un déni de service à distance.

Solutions

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

Impacted products
Vendor Product Description
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.6 x86_64
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0 s390x
Red Hat Red Hat CodeReady Linux Builder Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.0 s390x
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.6 ppc64le
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.0 x86_64
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0 x86_64
Red Hat Red Hat CodeReady Linux Builder Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.0 ppc64le
Red Hat Red Hat Enterprise Linux Server Red Hat Enterprise Linux Server - AUS 9.6 x86_64
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.6 s390x
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0 ppc64le
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.6 x86_64
Red Hat Red Hat Enterprise Linux Server Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 ppc64le
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.6 aarch64
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64
Red Hat Red Hat CodeReady Linux Builder Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.6 ppc64le
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for Real Time for x86_64 - Extended Life Cycle Support 7 x86_64
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 ppc64le
Red Hat Red Hat CodeReady Linux Builder Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.6 s390x
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le
Red Hat Red Hat CodeReady Linux Builder Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.0 aarch64
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0 s390x
Red Hat Red Hat CodeReady Linux Builder Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.0 x86_64
Red Hat Red Hat CodeReady Linux Builder Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.6 aarch64
Red Hat Red Hat CodeReady Linux Builder Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.6 x86_64
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0 aarch64
Red Hat Red Hat Enterprise Linux Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 aarch64
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.6 x86_64",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0 s390x",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.0 s390x",
      "product": {
        "name": "Red Hat CodeReady Linux Builder",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.6 ppc64le",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.0 x86_64",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0 x86_64",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.0 ppc64le",
      "product": {
        "name": "Red Hat CodeReady Linux Builder",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux Server - AUS 9.6 x86_64",
      "product": {
        "name": "Red Hat Enterprise Linux Server",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.6 s390x",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0 ppc64le",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.6 x86_64",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 ppc64le",
      "product": {
        "name": "Red Hat Enterprise Linux Server",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.6 aarch64",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.6 ppc64le",
      "product": {
        "name": "Red Hat CodeReady Linux Builder",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for Real Time for x86_64 - Extended Life Cycle Support 7 x86_64",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 ppc64le",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.6 s390x",
      "product": {
        "name": "Red Hat CodeReady Linux Builder",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.0 aarch64",
      "product": {
        "name": "Red Hat CodeReady Linux Builder",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0 s390x",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.0 x86_64",
      "product": {
        "name": "Red Hat CodeReady Linux Builder",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.6 aarch64",
      "product": {
        "name": "Red Hat CodeReady Linux Builder",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.6 x86_64",
      "product": {
        "name": "Red Hat CodeReady Linux Builder",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0 aarch64",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 aarch64",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "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-2026-31402",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-31402"
    },
    {
      "name": "CVE-2025-68741",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-68741"
    },
    {
      "name": "CVE-2025-38024",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-38024"
    },
    {
      "name": "CVE-2026-23204",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-23204"
    },
    {
      "name": "CVE-2026-23216",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-23216"
    },
    {
      "name": "CVE-2023-53539",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-53539"
    },
    {
      "name": "CVE-2026-23001",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-23001"
    },
    {
      "name": "CVE-2026-23193",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-23193"
    },
    {
      "name": "CVE-2022-50053",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-50053"
    },
    {
      "name": "CVE-2025-38180",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-38180"
    },
    {
      "name": "CVE-2026-23111",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-23111"
    },
    {
      "name": "CVE-2026-23097",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-23097"
    },
    {
      "name": "CVE-2026-23231",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-23231"
    },
    {
      "name": "CVE-2025-71238",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-71238"
    }
  ],
  "initial_release_date": "2026-04-30T00:00:00",
  "last_revision_date": "2026-04-30T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0521",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-04-30T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    },
    {
      "description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
    },
    {
      "description": "Ex\u00e9cution de code arbitraire"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    },
    {
      "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 un d\u00e9ni de service \u00e0 distance.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de Red Hat",
  "vendor_advisories": [
    {
      "published_at": "2026-04-27",
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:10996",
      "url": "https://access.redhat.com/errata/RHSA-2026:10996"
    },
    {
      "published_at": "2026-04-27",
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:10756",
      "url": "https://access.redhat.com/errata/RHSA-2026:10756"
    },
    {
      "published_at": "2026-04-28",
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2026:11313",
      "url": "https://access.redhat.com/errata/RHSA-2026:11313"
    }
  ]
}



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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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.