CVE-2026-46090
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.
⚡ Watch CVE-2026-46090
Get an email if CVE-2026-46090 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.
Exploitation outlook
- Low exploitation risk0.10% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all EPSS-scored CVEs.
Advisory coverage (22)
- unknownUSN-8665-1: Linux kernel (Raspberry Pi) vulnerabilitiesubuntu · 2026-08-20
- highCVE-2026-46090: ALSA: aloop: Fix peer runtime UAF during format-change stopmsrc · 2026-08-06
- 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-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-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-8569-1: Linux kernel (HWE) vulnerabilitiesubuntu · 2026-07-20
- highUSN-8567-1: 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 Red Hat Linux kernel (June 26, 2026)cert-fr-avis · 2026-06-26
External references
Embed the live status
— this badge updates automatically when the KEV or exploit status changes. How to embed it →
[](https://www.csirts.com/cve/CVE-2026-46090)