wifi: iwlwifi: bound aligned TLV advance in FW parser

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Summary

CVECVE-2026-93789
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-24 17:17:11 UTC
Updated2026-09-25 13:17:19 UTC
DescriptionIn 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.

Risk And Classification

EPSS: 0.001660000 probability, percentile 0.052230000 (date 2026-09-27)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected dd7a2509b3a79b290730a9c6a784bf03fedabb9a 528fa9eb14c209533ca26958b76da55e0ce239d8 git Not specified
CNA Linux Linux affected dd7a2509b3a79b290730a9c6a784bf03fedabb9a 7aa9097623afb694bc25382a62e14d8e82bf002f git Not specified
CNA Linux Linux affected dd7a2509b3a79b290730a9c6a784bf03fedabb9a acad742714bdc70e7fd7f234323807c596828213 git Not specified
CNA Linux Linux affected 2.6.35 Not specified
CNA Linux Linux unaffected 2.6.35 semver Not specified
CNA Linux Linux unaffected 6.12.111 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.53 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/528fa9eb14c209533ca26958b76da55e0ce239d8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/acad742714bdc70e7fd7f234323807c596828213 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/7aa9097623afb694bc25382a62e14d8e82bf002f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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