CVE-2026-43245

highcovered by 17 sourcesfirst seen 2026-06-21

Multiple vulnerabilities have been discovered in the Debian Linux kernel. Some of them allow an attacker to cause privilege escalation, a breach of data confidentiality, and denial of service.

CSIRTS triage

What: Multiple vulnerabilities in the Debian Linux kernel can lead to privilege escalation and denial of service.
Who is affected: Users of the Debian Linux kernel.
Urgency: Remediation is urgent due to the severity of the vulnerabilities.
Action: Apply the latest security updates for the Debian Linux kernel.

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

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Exploitation outlook

Low exploitation risk0.44% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 37% of all EPSS-scored CVEs.

Advisory coverage (17)

unknownUSN-8665-1: Linux kernel (Raspberry Pi) vulnerabilitiesubuntu · 2026-08-20
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-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-8567-1: Linux kernel vulnerabilitiesubuntu · 2026-07-20
unknownDebian Linux Kernel Multiple Vulnerabilitieshkcert · 2026-06-30
unknownMultiple vulnerabilities in the Debian Linux kernel (June 26, 2026)cert-fr-avis · 2026-06-26
unknownDSA-6355-1 linux - security updatedebian · 2026-06-21

External references

NVD record for CVE-2026-43245

CVE.org record

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