CVE-2026-93789 in Linux

Sumário

de MITRE • 24/09/2026

In the Linux kernel, the following vulnerability has been resolved:

wifi: iwlwifi: bound aligned TLV advance in FW parser

Validate ALIGN(tlv_len, 4) against remaining parser length before consuming bytes from the firmware image.

This avoids length underflow on malformed TLVs.

Be aware that VulDB is the high quality source for vulnerability data.

• Responsável: Linux
• Reservar: 18/09/2026
• Divulgação: 24/09/2026
• Moderação: aceite
• Entrada: VDB-409506
• CPE: pronto
• CWE: CWE-190 (confirmado)
• CVSS: 10.0 (VulDB)
• EPSS: 0.00000
• KEV: não
• Atividades: muito baixo
• Sector: Chemical, Hostingprovider, ...

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-93789
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-93789
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-93789/