CERTFR-2026-AVI-0496_Multiples vulnérabilités dans le noyau Linux de Red Hat

AVIS CERT
CERT-FR

Publié le 24 avril 2026 à 15h40

Objet

Multiples vulnérabilités dans le noyau Linux de Red Hat

Référence

CERTFR-2026-AVI-0496

Risques

  • Atteinte à l'intégrité des données
  • Atteinte à la confidentialité des données
  • Contournement de la politique de sécurité
  • Déni de service à distance
  • Exécution de code arbitraire
  • Élévation de privilèges

Systèmes affectés

  • Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.0 aarch64
  • Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.6 aarch64
  • Red Hat CodeReady Linux Builder for ARM 64 10 aarch64
  • Red Hat CodeReady Linux Builder for ARM 64 8 aarch64
  • Red Hat CodeReady Linux Builder for ARM 64 9 aarch64
  • Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.0 s390x
  • Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.6 s390x
  • Red Hat CodeReady Linux Builder for IBM z Systems 10 s390x
  • Red Hat CodeReady Linux Builder for IBM z Systems 9 s390x
  • Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.0 ppc64le
  • Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.6 ppc64le
  • Red Hat CodeReady Linux Builder for Power, little endian 10 ppc64le
  • Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le
  • Red Hat CodeReady Linux Builder for Power, little endian 9 ppc64le
  • Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.0 x86_64
  • Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.6 x86_64
  • Red Hat CodeReady Linux Builder for x86_64 10 x86_64
  • Red Hat CodeReady Linux Builder for x86_64 8 x86_64
  • Red Hat CodeReady Linux Builder for x86_64 9 x86_64
  • Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0 aarch64
  • Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.0 aarch64
  • Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.2 aarch64
  • Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64
  • Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 8.10 aarch64
  • Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.2 aarch64
  • Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.6 aarch64
  • Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 aarch64
  • Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64
  • Red Hat Enterprise Linux for ARM 64 10 aarch64
  • Red Hat Enterprise Linux for ARM 64 8 aarch64
  • Red Hat Enterprise Linux for ARM 64 9 aarch64
  • Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0 s390x
  • Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.0 s390x
  • Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.2 s390x
  • Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 8.10 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.2 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.6 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x
  • Red Hat Enterprise Linux for IBM z Systems 10 s390x
  • Red Hat Enterprise Linux for IBM z Systems 8 s390x
  • Red Hat Enterprise Linux for IBM z Systems 9 s390x
  • Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0 ppc64le
  • Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 8.10 ppc64le
  • Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.2 ppc64le
  • Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.6 ppc64le
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 ppc64le
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le
  • Red Hat Enterprise Linux for Power, little endian 10 ppc64le
  • Red Hat Enterprise Linux for Power, little endian 8 ppc64le
  • Red Hat Enterprise Linux for Power, little endian 9 ppc64le
  • Red Hat Enterprise Linux for Real Time 8 x86_64
  • Red Hat Enterprise Linux for Real Time for NFV 8 x86_64
  • Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 8.10 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.2 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.6 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.0 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.6 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.4 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.6 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.8 x86_64
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8 x86_64
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.0 x86_64
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.2 x86_64
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64
  • Red Hat Enterprise Linux for x86_64 10 x86_64
  • Red Hat Enterprise Linux for x86_64 8 x86_64
  • Red Hat Enterprise Linux for x86_64 9 x86_64
  • Red Hat Enterprise Linux Server - AUS 8.2 x86_64
  • Red Hat Enterprise Linux Server - AUS 8.4 x86_64
  • Red Hat Enterprise Linux Server - AUS 8.6 x86_64
  • Red Hat Enterprise Linux Server - AUS 9.2 x86_64
  • Red Hat Enterprise Linux Server - AUS 9.6 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7 s390x
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 7 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian 7 ppc64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7 ppc64le
  • Red Hat Enterprise Linux Server - TUS 8.6 x86_64
  • Red Hat Enterprise Linux Server - TUS 8.8 x86_64
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6 ppc64le
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.8 ppc64le
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.0 ppc64le
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.2 ppc64le
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 ppc64le

Résumé

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).

Documentation

Dernière version du document

https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0496/