Multiples vulnérabilités dans le noyau Linux de Red Hat (12 juin 2026)

Key Points:

• Multiple vulnerabilities have been discovered in the Linux kernel of Red Hat, allowing for remote code execution, privilege escalation, and denial of service.
• Affected systems include various versions of Red Hat CodeReady Linux Builder and Red Hat Enterprise Linux across ARM, IBM z Systems, Power, and x86_64 architectures.
• Immediate patching is recommended; refer to the security bulletins provided by Red Hat for specific updates and fixes.

Technical Details: The vulnerabilities include CVE-2023-53781, CVE-2025-21858, CVE-2025-40135, among others. These vulnerabilities can be exploited by attackers to execute arbitrary code remotely or escalate privileges on affected systems.

MITRE ATT&CK Techniques:

• None mentioned

IOCs Mentioned:

• CVE-2023-53781
• CVE-2025-21858
• CVE-2025-40135
• CVE-2025-40158
• CVE-2025-40170
• CVE-2025-68366
• CVE-2025-68724
• CVE-2025-71089
• CVE-2025-71116
• CVE-2026-22984
• CVE-2026-22990
• CVE-2026-23216
• CVE-2026-23392
• CVE-2026-23455
• CVE-2026-31419
• CVE-2026-31467
• CVE-2026-31508
• CVE-2026–31532 -CVEs from 43037 to 43190 (multiple entries) -CVE 43501 -CVE 45852 -CVE 46054 -CVE 46181

This summary highlights critical vulnerabilities that require immediate attention from security teams managing Red Hat systems.