CVE-2026-43465
Multiple vulnerabilities have been discovered in Ubuntu Linux kernel. Some of them allow an attacker to cause privilege escalation, remote denial of service and an unspecified security issue by the editor.
CSIRTS triage
- What
- Multiple vulnerabilities in the Ubuntu Linux kernel enable privilege escalation, denial of service, and unspecified security issues.
- Who is affected
- Ubuntu systems running affected kernel versions.
- Urgency
- High; privilege escalation vulnerabilities require urgent kernel updates.
- Action
- Apply kernel security updates from Ubuntu to all affected systems.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.41% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 35% of all EPSS-scored CVEs.
Advisory coverage (6)
- unknownMultiple vulnerabilities in Ubuntu Linux kernel (August 14, 2026)cert-fr-avis · 2026-08-14
- unknownUSN-8630-2: Linux kernel vulnerabilitiesubuntu · 2026-08-13
- unknownUSN-8636-1: Linux kernel vulnerabilitiesubuntu · 2026-08-12
- unknownUSN-8630-1: Linux kernel vulnerabilitiesubuntu · 2026-08-12
- mediumCVE-2026-43465: net/mlx5e: RX, Fix XDP multi-buf frag counting for striding RQmsrc · 2026-08-06
- unknownMultiple vulnerabilities in SUSE Linux kernel (July 31, 2026)cert-fr-avis · 2026-07-31
External references
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