CVE-2026-23399

highcovered by 28 sourcesfirst seen 2026-07-06

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

CSIRTS triage

What: Multiple vulnerabilities allow denial of service and other unspecified attacks.
Who is affected: An attacker can exploit these vulnerabilities.
Urgency: Remediation is medium urgency due to the moderate severity of the vulnerabilities.
Action: Update the Linux Kernel to the latest version to mitigate the vulnerabilities.

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

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Exploitation outlook

Low exploitation risk0.12% 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 (28)

medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of servicecert-bund · 2026-08-24
unknownUSN-8668-1: Linux kernel (GCP) vulnerabilitiesubuntu · 2026-08-21
unknownUSN-8665-1: Linux kernel (Raspberry Pi) vulnerabilitiesubuntu · 2026-08-20
unknownUSN-8620-4: Linux kernel (Intel IoTG) vulnerabilitiesubuntu · 2026-07-31
unknownUSN-8620-3: Linux kernel (Intel IoTG) vulnerabilitiesubuntu · 2026-07-31
unknownUSN-8620-2: Linux kernel (Azure FIPS) vulnerabilitiesubuntu · 2026-07-29
highUSN-8620-1: Linux kernel vulnerabilitiesubuntu · 2026-07-28
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-8610-1: Linux kernel (Azure CVM) vulnerabilitiesubuntu · 2026-07-24
highUSN-8575-3: Linux kernel vulnerabilitiesubuntu · 2026-07-24
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-8597-1: Linux kernel (IBM) vulnerabilitiesubuntu · 2026-07-23
highUSN-8576-2: Linux kernel (NVIDIA Tegra) vulnerabilitiesubuntu · 2026-07-23
highUSN-8575-2: Linux kernel vulnerabilitiesubuntu · 2026-07-23
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-8576-1: Linux kernel (NVIDIA Tegra) vulnerabilitiesubuntu · 2026-07-21
highUSN-8575-1: Linux kernel vulnerabilitiesubuntu · 2026-07-21
highUSN-8574-1: Linux kernel (GCP FIPS) vulnerabilitiesubuntu · 2026-07-21
highUSN-8567-1: Linux kernel vulnerabilitiesubuntu · 2026-07-20
unknownDebian Linux Kernel Multiple Vulnerabilitieshkcert · 2026-07-06

External references

NVD record for CVE-2026-23399

CVE.org record

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