CVE-2026-53136
Multiple vulnerabilities have been discovered in Red Hat Linux kernel. Some of them allow an attacker to cause remote arbitrary code execution, privilege escalation and remote denial of service.
CSIRTS triage
- What
- Multiple vulnerabilities in Red Hat Linux kernel enable remote code execution, privilege escalation, and denial of service.
- Who is affected
- Red Hat Linux systems running affected kernel versions.
- Urgency
- Remote code execution capability present; high priority for kernel updates.
- Action
- Update to the patched Red Hat Linux kernel version addressing CVE-2026-68388, CVE-2026-53374, CVE-2025-39902, CVE-2026-63879, CVE-2026-63888, CVE-2024-56602, CVE-2026-46120, and CVE-2026-53329.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.
Advisory coverage (2)
- unknownMultiple vulnerabilities in Red Hat Linux kernel (August 21, 2026)cert-fr-avis · 2026-08-21
- highCVE-2026-53136: drm/amd/display: Clamp VBIOS HDMI retimer register count to array sizemsrc · 2026-06-09
External references
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