CVE-2026-43330
Multiple vulnerabilities have been discovered in the 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 allow an attacker to cause remote arbitrary code execution, privilege escalation, and remote denial of service.
- Who is affected
- Users of the Red Hat Linux kernel are affected.
- Urgency
- Remediation is urgent due to the potential for severe exploitation.
- Action
- Update the Red Hat Linux kernel to the latest version.
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 (16)
- unknownUSN-8665-1: Linux kernel (Raspberry Pi) vulnerabilitiesubuntu · 2026-08-20
- highUSN-8619-1: Linux kernel (HWE) vulnerabilitiesubuntu · 2026-07-28
- highUSN-8595-3: Linux kernel (AWS) vulnerabilitiesubuntu · 2026-07-28
- highUSN-8574-3: Linux kernel vulnerabilitiesubuntu · 2026-07-28
- highUSN-8609-1: Linux kernel (Azure CVM) vulnerabilitiesubuntu · 2026-07-24
- highUSN-8608-1: Linux kernel (Azure FIPS) vulnerabilitiesubuntu · 2026-07-24
- highUSN-8607-1: Linux kernel (Azure CVM) vulnerabilitiesubuntu · 2026-07-24
- highUSN-8606-1: Linux kernel (Azure) vulnerabilitiesubuntu · 2026-07-24
- highUSN-8595-2: Linux kernel (AWS) vulnerabilitiesubuntu · 2026-07-24
- highUSN-8596-1: Linux kernel (NVIDIA) vulnerabilitiesubuntu · 2026-07-23
- highUSN-8595-1: Linux kernel (Oracle) vulnerabilitiesubuntu · 2026-07-23
- highUSN-8574-2: Linux kernel vulnerabilitiesubuntu · 2026-07-23
- highUSN-8574-1: Linux kernel (GCP FIPS) vulnerabilitiesubuntu · 2026-07-21
- highUSN-8567-1: Linux kernel vulnerabilitiesubuntu · 2026-07-20
- unknownMultiple vulnerabilities in the Red Hat Linux kernel (July 17, 2026)cert-fr-avis · 2026-07-17
- unknownMultiple vulnerabilities in the Red Hat Linux kernel (June 26, 2026)cert-fr-avis · 2026-06-26
External references
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