CVE-2026-93789

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.

Package Linux Kernel
Published 2026-09-24
Last modified 2026-10-03
Patch available
Yes

Affected versions

Linux kernel versions 2.6.35 and later are affected. Fixed in 5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.111, 6.18.53, 7.2 and their respective stable series.

Affected from
≥ 2.6.35
Fixed in
✓ 5.10.271 5.10.x ✓ 5.15.222 5.15.x ✓ 6.1.189 6.1.x ✓ 6.6.158 6.6.x ✓ 6.12.111 6.12.x ✓ 6.18.53 6.18.x ✓ 7.2

Frequently asked questions

  • What is CVE-2026-93789?

    CVE-2026-93789 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 2.6.35 onward and has been patched in 5.10.271, 5.15.222, 6.1.189 and others. CVE-2026-93789 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2026-93789?

    Yes. CVE-2026-93789 has been patched. Fixed versions include 5.10.271, 5.15.222, 6.1.189 and others. If you are running Linux kernel 2.6.35 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2026-93789 actively exploited?

    No. CVE-2026-93789 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.