wifi: mac80211: avoid out-of-bounds access in monitor

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Summary

CVECVE-2026-97511
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-24 17:17:28 UTC
Updated2026-09-28 06:16:37 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: avoid out-of-bounds access in monitor In NAN, we don't know on what band the frame will be sent. Therefore we set info->band to NUM_NL80211_BANDS. However, this leads to out-of-bound access in ieee80211_add_tx_radiotap_header when we try to access the sbands array. Fix it by not accessing the array if the band is NUM_NL80211_BANDS. This means that we will not report rate info for legacy rate in NAN. But nobody really cares about it.

Risk And Classification

EPSS: 0.001450000 probability, percentile 0.031450000 (date 2026-09-29)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected fc41f4a28ac4d462487903229494eeb266f68a40 7f087f70e020b16a5b967332ee6e937817eaa173 git Not specified
CNA Linux Linux affected fc41f4a28ac4d462487903229494eeb266f68a40 03c41203ee5a833a9d7a7630be190830cede29d8 git Not specified
CNA Linux Linux affected 6.18 Not specified
CNA Linux Linux unaffected 6.18 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/7f087f70e020b16a5b967332ee6e937817eaa173 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/03c41203ee5a833a9d7a7630be190830cede29d8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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