CVE-2026-93789 in Linux

Summary

by MITRE • 09/24/2026

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.

• Responsible: Linux
• Reservation: 09/18/2026
• Disclosure: 09/24/2026
• Moderation: accepted
• Entry: VDB-409506
• CPE: ready
• CWE: CWE-190 (confirmed)
• CVSS: 10.0 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: very low
• Sector: Police, Industry, ...

Sources

• 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/