[UPDATE] [high] Linux Kernel: Multiple vulnerabilities

highCVE-2025-40005 CVE-2025-40006 CVE-2025-40007 CVE-2025-40008 CVE-2025-40009 CVE-2025-40010

An attacker can exploit multiple vulnerabilities in the Linux Kernel to carry out a denial of service attack or other unspecified attacks.

CSIRTS triage

vendor: Linux product: Linux Kernel Denial of service

What: Multiple vulnerabilities in the Linux Kernel can lead to denial-of-service or other unspecified attacks.
Who is affected: Deployments of the Linux Kernel are affected.
Urgency: Remediation is urgent due to the high severity of potential denial-of-service.
Action: Apply the latest patches for the Linux Kernel.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: high
Published: 2026-08-24
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-2350

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2025-400050.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all EPSS-scored CVEs.
Low exploitation riskCVE-2025-400060.19% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all EPSS-scored CVEs.
Low exploitation riskCVE-2025-400070.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 11% of all EPSS-scored CVEs.
Low exploitation riskCVE-2025-400080.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all EPSS-scored CVEs.
Low exploitation riskCVE-2025-400090.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 13% of all EPSS-scored CVEs.
Low exploitation riskCVE-2025-400100.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all EPSS-scored CVEs.
Low exploitation riskCVE-2025-400110.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 15% of all EPSS-scored CVEs.
Low exploitation riskCVE-2025-400120.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all EPSS-scored CVEs.
Low exploitation riskCVE-2025-400130.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all EPSS-scored CVEs.
Low exploitation riskCVE-2025-400150.22% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 12% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2025-40005	coverage & exploitation status	NVD · CVE.org
CVE-2025-40006	coverage & exploitation status	NVD · CVE.org
CVE-2025-40007	coverage & exploitation status	NVD · CVE.org
CVE-2025-40008	coverage & exploitation status	NVD · CVE.org
CVE-2025-40009	coverage & exploitation status	NVD · CVE.org
CVE-2025-40010	coverage & exploitation status	NVD · CVE.org
CVE-2025-40011	coverage & exploitation status	NVD · CVE.org
CVE-2025-40012	coverage & exploitation status	NVD · CVE.org
CVE-2025-40013	coverage & exploitation status	NVD · CVE.org
CVE-2025-40015	coverage & exploitation status	NVD · CVE.org
CVE-2025-40016	coverage & exploitation status	NVD · CVE.org
CVE-2025-40017	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

unknownUSN-8668-1: Linux kernel (GCP) vulnerabilitiesubuntu
unknownUbuntu Linux Kernel Multiple Vulnerabilitieshkcert
unknownUSN-8620-4: Linux kernel (Intel IoTG) vulnerabilitiesubuntu
unknownUSN-8620-3: Linux kernel (Intel IoTG) vulnerabilitiesubuntu
unknownMultiple vulnerabilities in Ubuntu Linux kernel (July 31, 2026)cert-fr-avis
unknownUSN-8620-2: Linux kernel (Azure FIPS) vulnerabilitiesubuntu
highUSN-8620-1: Linux kernel vulnerabilitiesubuntu
highUSN-8619-1: Linux kernel (HWE) vulnerabilitiesubuntu
highUSN-8610-1: Linux kernel (Azure CVM) vulnerabilitiesubuntu
highUSN-8575-3: Linux kernel vulnerabilitiesubuntu
highUSN-8609-1: Linux kernel (Azure CVM) vulnerabilitiesubuntu
highUSN-8607-1: Linux kernel (Azure CVM) vulnerabilitiesubuntu

Recent advisories for Linux Kernel

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

unknownUSN-8659-4: Linux kernel (Oracle) vulnerabilityubuntu · 2026-08-26
unknownUSN-8666-2: Linux kernel (Azure) vulnerabilitiesubuntu · 2026-08-25
unknownUSN-8630-5: Linux kernel (Raspberry Pi) vulnerabilitiesubuntu · 2026-08-25
unknownUSN-8658-3: Linux kernel vulnerabilitiesubuntu · 2026-08-25
unknownUSN-8643-4: Linux kernel vulnerabilitiesubuntu · 2026-08-25
unknownUSN-8659-3: Linux kernel (Azure) vulnerabilityubuntu · 2026-08-25