CVE-2026-43227
Multiple vulnerabilities have been discovered in Ubuntu Linux kernel. Some of them allow an attacker to cause privilege escalation, breach of data confidentiality and an unspecified security issue by the publisher.
CSIRTS triage
- What
- Multiple kernel vulnerabilities enable privilege escalation, data confidentiality breaches, and unspecified security issues.
- Who is affected
- Systems running affected Ubuntu Linux kernel versions.
- Urgency
- High; privilege escalation and information disclosure threaten system and data security.
- Action
- Apply Ubuntu Linux kernel security updates as soon as available; test in non-production first.
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 (21)
- unknownUSN-8668-1: Linux kernel (GCP) vulnerabilitiesubuntu · 2026-08-21
- unknownMultiple vulnerabilities in Ubuntu Linux kernel (August 07, 2026)cert-fr-avis · 2026-08-07
- 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-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-8607-1: Linux kernel (Azure CVM) vulnerabilitiesubuntu · 2026-07-24
- highUSN-8606-1: Linux kernel (Azure) 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-8576-1: Linux kernel (NVIDIA Tegra) vulnerabilitiesubuntu · 2026-07-21
- highUSN-8575-1: Linux kernel vulnerabilitiesubuntu · 2026-07-21
- unknownUSN-8492-5: Linux kernel (FIPS) vulnerabilitiesubuntu · 2026-07-10
- unknownMultiple vulnerabilities in Ubuntu Linux kernel (July 10, 2026)cert-fr-avis · 2026-07-10
- unknownUSN-8492-4: Linux kernel (Raspberry Pi) vulnerabilitiesubuntu · 2026-07-09
- unknownMultiple vulnerabilities in Ubuntu Linux kernel (July 3, 2026)cert-fr-avis · 2026-07-03
External references
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