wifi: mt76: mt7915: unwind state on add_interface failure

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-90368
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-17 17:17:35 UTC
Updated2026-09-17 17:17:35 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: unwind state on add_interface failure When mt76_wcid_alloc() fails, mt7915_add_interface() returned without clearing the vif_mask/omac_mask bits it had already set, without removing the firmware dev info added earlier, and without clearing a monitor_vif pointer to the vif mac80211 is about to free. mac80211 does not call remove_interface() for a failed add, so the indices and firmware dev entry leaked permanently and testmode could dereference the stale monitor_vif. Add a proper error unwind.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected b619e01380eedf24e8d26a367e94e0ccaeb0c3dd 218fdf0fcb796b8d281dbdd4a6144c5a8fc7fd0f git Not specified
CNA Linux Linux affected b619e01380eedf24e8d26a367e94e0ccaeb0c3dd 507eddb8175a67df5086354b92d6a4fd7f6f1f96 git Not specified
CNA Linux Linux affected b619e01380eedf24e8d26a367e94e0ccaeb0c3dd 71bf9de2ab3fb2c54bedb0b4c9b468d2e1d55280 git Not specified
CNA Linux Linux affected b619e01380eedf24e8d26a367e94e0ccaeb0c3dd 2fb6480c52f611338e1b0abe5e6219be1fc9ab75 git Not specified
CNA Linux Linux affected 5.19 Not specified
CNA Linux Linux unaffected 5.19 semver Not specified
CNA Linux Linux unaffected 6.12.110 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.52 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.6 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/2fb6480c52f611338e1b0abe5e6219be1fc9ab75 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/71bf9de2ab3fb2c54bedb0b4c9b468d2e1d55280 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/507eddb8175a67df5086354b92d6a4fd7f6f1f96 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/218fdf0fcb796b8d281dbdd4a6144c5a8fc7fd0f 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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