wifi: iwlwifi: mvm: add a check on the tid coming from the firmware

Summary

CVECVE-2026-93791
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: mvm: add a check on the tid coming from the firmware ba_notif->tid is a firmware-controlled u8 that is used directly as an array index into tid_data[] without any validation. Add a bounds check against IWL_MAX_TID_COUNT before dereferencing the array.

Risk And Classification

EPSS: 0.001660000 probability, percentile 0.052240000 (date 2026-09-27)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected c46e7724bfe9bbff17bc468903a757248b99e4ed 0b5325a0771674f1d65618de7db3df9d49186a12 git Not specified
CNA Linux Linux affected c46e7724bfe9bbff17bc468903a757248b99e4ed 59f64c2839022f41a7867b38f9e38c185ff39283 git Not specified
CNA Linux Linux affected c46e7724bfe9bbff17bc468903a757248b99e4ed 0e4c0d83267261cf67ec9690856edf4a56bb7dfc git Not specified
CNA Linux Linux affected 4.9 Not specified
CNA Linux Linux unaffected 4.9 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/0b5325a0771674f1d65618de7db3df9d49186a12 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/0e4c0d83267261cf67ec9690856edf4a56bb7dfc 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/59f64c2839022f41a7867b38f9e38c185ff39283 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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