CVE-2026-45998
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 a remote denial of service.
CSIRTS triage
- What
- Multiple vulnerabilities allow an attacker to cause remote arbitrary code execution, privilege escalation, and a remote denial of service.
- Who is affected
- Deployments of the Red Hat Linux kernel are affected.
- Urgency
- Remediation is urgent due to the potential for exploitation and the severity of the vulnerabilities.
- Action
- Apply the latest security patches provided by Red Hat.
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 (4)
- highUSN-8569-1: Linux kernel (HWE) vulnerabilitiesubuntu · 2026-07-20
- unknownMultiple vulnerabilities in Red Hat Linux kernel (July 3, 2026)cert-fr-avis · 2026-07-03
- unknownRedHat Linux Kernel Multiple Vulnerabilitieshkcert · 2026-07-02
- unknownMultiple vulnerabilities in the Ubuntu Linux kernel (June 26, 2026)cert-fr-avis · 2026-06-26
External references
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