wifi: mt76: mt7921: fix resource leak in probe error path

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Summary

CVECVE-2026-74326
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-15 06:22:33 UTC
Updated2026-08-17 06:19:27 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: fix resource leak in probe error path When pcim_iomap_region() or devm_kmemdup() fail, the code returns directly without cleaning up previously allocated resources: - mt76_device allocated by mt76_alloc_device() - pci irq vectors allocated by pci_alloc_irq_vectors() Fix this by jumping to the existing error cleanup path instead of returning directly.

Risk And Classification

EPSS: 0.001550000 probability, percentile 0.051880000 (date 2026-08-17)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected ee5bb35d2b83fadc6920aa2478326fb50ea653a9 79a307b2730e4b4e060cf3e19a6c21b87116ee78 git Not specified
CNA Linux Linux affected ee5bb35d2b83fadc6920aa2478326fb50ea653a9 346dac35b1384af9338b34b6835e82e634ea4d2c git Not specified
CNA Linux Linux affected 7.1 Not specified
CNA Linux Linux unaffected 7.1 semver Not specified
CNA Linux Linux unaffected 7.1.5 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/346dac35b1384af9338b34b6835e82e634ea4d2c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/79a307b2730e4b4e060cf3e19a6c21b87116ee78 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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