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CVE-2026-93789

wifi: iwlwifi: bound aligned TLV advance in FW parser

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.271, 5.15.222, 6.1.189, 6.6.158, 6.12.111, and 1 more
None on Exploit-DB, Metasploit or GitHub

Summary

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.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From dd7a2509b3a79b290730a9c6a784bf03fedabb9a · fixed in 61da42fdd21d98ccb8f1ec5224659f3d09202cf4; From dd7a2509b3a79b290730a9c6a784bf03fedabb9a · fixed in 8c332d45b736d41301b7e07f322785d821265dbc; From dd7a2509b3a79b290730a9c6a784bf03fedabb9a · fixed in ce709fcab5e1d4df6d4ba980736dc5908502a40f; From dd7a2509b3a79b290730a9c6a784bf03fedabb9a · fixed in 4cfadb2e01566bc36d42922fbe18838345087050; From dd7a2509b3a79b290730a9c6a784bf03fedabb9a · fixed in 528fa9eb14c209533ca26958b76da55e0ce239d8; From dd7a2509b3a79b290730a9c6a784bf03fedabb9a · fixed in 7aa9097623afb694bc25382a62e14d8e82bf002f; From dd7a2509b3a79b290730a9c6a784bf03fedabb9a · fixed in acad742714bdc70e7fd7f234323807c596828213

  • Linux Linux

    2.6.35

  • KernelLinux

    From 2.6.35 · fixed in 5.10.271; From 5.11.0 · fixed in 5.15.222; From 5.16.0 · fixed in 6.1.189; From 6.2.0 · fixed in 6.6.158; From 6.7.0 · fixed in 6.12.111; From 6.13.0 · fixed in 6.18.53

References 7

git.kernel.org