wifi: mt76: mt7915: release hif2 reference on probe IRQ failure

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-90352
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-17 17:17:34 UTC
Updated2026-09-17 17:17:34 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: release hif2 reference on probe IRQ failure The hif2 reference obtained by mt7915_pci_init_hif2() is only released on error paths that key off dev->hif2, which is not assigned until after the IRQ setup. If pci_alloc_irq_vectors() or the primary devm_request_irq() fails, the reference leaks. Drop it explicitly on those paths via mt7915_put_hif2().

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected f68d67623dec9445960b52a0e9e8e60297596b4b 8a2e38019846da29a112fac4dd96fe5bfa298faf git Not specified
CNA Linux Linux affected f68d67623dec9445960b52a0e9e8e60297596b4b 2a434d2637b9c9be9bcc8a84dc46880cc1446643 git Not specified
CNA Linux Linux affected f68d67623dec9445960b52a0e9e8e60297596b4b 5c30a6350a300fbb800831f1b4373b2f59e03410 git Not specified
CNA Linux Linux affected f68d67623dec9445960b52a0e9e8e60297596b4b ed5cc46a3c8f4fe7f549c661914d8d835169acc0 git Not specified
CNA Linux Linux affected f68d67623dec9445960b52a0e9e8e60297596b4b fb9c7b4c238b4e5469a11a1fb8cf332f6193b995 git Not specified
CNA Linux Linux affected f68d67623dec9445960b52a0e9e8e60297596b4b 8370aebd26a9dfa2e0de665e3ab504c0e97ee730 git Not specified
CNA Linux Linux affected 5.19 Not specified
CNA Linux Linux unaffected 5.19 semver Not specified
CNA Linux Linux unaffected 6.1.188 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.157 6.6.* 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/fb9c7b4c238b4e5469a11a1fb8cf332f6193b995 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/5c30a6350a300fbb800831f1b4373b2f59e03410 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/2a434d2637b9c9be9bcc8a84dc46880cc1446643 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/8370aebd26a9dfa2e0de665e3ab504c0e97ee730 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/8a2e38019846da29a112fac4dd96fe5bfa298faf 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ed5cc46a3c8f4fe7f549c661914d8d835169acc0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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