CVE-2026-93789

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxdd7a2509b3a79b290730a9c6a784bf03fedabb9a < 61da42fdd21d98ccb8f1ec5224659f3d09202cf4affected
LinuxLinuxdd7a2509b3a79b290730a9c6a784bf03fedabb9a < 8c332d45b736d41301b7e07f322785d821265dbcaffected
LinuxLinuxdd7a2509b3a79b290730a9c6a784bf03fedabb9a < ce709fcab5e1d4df6d4ba980736dc5908502a40faffected
LinuxLinuxdd7a2509b3a79b290730a9c6a784bf03fedabb9a < 4cfadb2e01566bc36d42922fbe18838345087050affected
LinuxLinuxdd7a2509b3a79b290730a9c6a784bf03fedabb9a < 528fa9eb14c209533ca26958b76da55e0ce239d8affected
LinuxLinuxdd7a2509b3a79b290730a9c6a784bf03fedabb9a < 7aa9097623afb694bc25382a62e14d8e82bf002faffected
LinuxLinuxdd7a2509b3a79b290730a9c6a784bf03fedabb9a < acad742714bdc70e7fd7f234323807c596828213affected
LinuxLinux2.6.35affected
LinuxLinux0 < 2.6.35unaffected
LinuxLinux5.10.271 <= 5.10.*unaffected
LinuxLinux5.15.222 <= 5.15.*unaffected
LinuxLinux6.1.189 <= 6.1.*unaffected
LinuxLinux6.6.158 <= 6.6.*unaffected
LinuxLinux6.12.111 <= 6.12.*unaffected
LinuxLinux6.18.53 <= 6.18.*unaffected
LinuxLinux7.2 <= *unaffected

Weaknesses

References