CVE-2026-46181
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
- Deployments of the Red Hat Linux kernel are affected.
- Urgency
- Remediation is critical due to the severity of the vulnerabilities, including remote code execution, though exploitation status is currently unknown.
- Action
- Users should update their 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 risk0.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all EPSS-scored CVEs.
Advisory coverage (14)
- unknownUSN-8664-1: Linux kernel (NVIDIA BaseOS) vulnerabilitiesubuntu · 2026-08-20
- unknownUSN-8663-1: Linux kernel (NVIDIA) vulnerabilitiesubuntu · 2026-08-20
- mediumCVE-2026-46181: RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event()msrc · 2026-08-06
- highUSN-8618-1: Linux kernel vulnerabilitiesubuntu · 2026-07-28
- highUSN-8603-1: Linux kernel (Azure) vulnerabilitiesubuntu · 2026-07-24
- unknownMultiple vulnerabilities in Red Hat Linux kernel (July 24, 2026)cert-fr-avis · 2026-07-24
- highUSN-8593-1: Linux kernel vulnerabilitiesubuntu · 2026-07-23
- highUSN-8569-1: Linux kernel (HWE) vulnerabilitiesubuntu · 2026-07-20
- highUSN-8568-1: Linux kernel (OEM) vulnerabilitiesubuntu · 2026-07-20
- highUSN-8566-1: Linux kernel vulnerabilitiesubuntu · 2026-07-20
- unknownMultiple vulnerabilities in Red Hat Linux kernel (July 10, 2026)cert-fr-avis · 2026-07-10
- 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 SUSE Linux kernel (June 26, 2026)cert-fr-avis · 2026-06-26
External references
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