CVE-2026-93789

wifi: iwlwifi: bound aligned TLV advance in FW parser

N/A

Published: September 24, 2026 at 04:02 PM UTC

Updated: October 3, 2026 at 11:17 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

N/A

Exploit prediction

EPSS 0.2%

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

2.6.35 ≤ v < 5.10.2712.6.35 ≤ v < 5.15.2222.6.35 ≤ v < 6.1.1892.6.35 ≤ v < 6.12.1112.6.35 ≤ v < 6.18.532.6.35 ≤ v < 6.6.1582.6.35 ≤ v < 7.22.6.35dd7a2509b3a79b290730a9c6a784bf03fedabb9a

Vendor states this is fixed in 4cfadb2e01566bc36d42922fbe18838345087050 (fixed)

Vendor states this is fixed in 528fa9eb14c209533ca26958b76da55e0ce239d8 (fixed)

Vendor states this is fixed in 61da42fdd21d98ccb8f1ec5224659f3d09202cf4 (fixed)

Vendor states this is fixed in 7aa9097623afb694bc25382a62e14d8e82bf002f (fixed)

Vendor states this is fixed in 8c332d45b736d41301b7e07f322785d821265dbc (fixed)

Vendor states this is fixed in acad742714bdc70e7fd7f234323807c596828213 (fixed)

Vendor states this is fixed in ce709fcab5e1d4df6d4ba980736dc5908502a40f (fixed)

Vendor states this is fixed in 2.6.35 (unaffected)

Vendor states this is fixed in 5.10.271 (unaffected)

Vendor states this is fixed in 5.15.222 (unaffected)

Vendor states this is fixed in 6.1.189 (unaffected)

Vendor states this is fixed in 6.12.111 (unaffected)