net/mana: Null service_wq on setup error to prevent double destroy

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Summary

CVECVE-2026-43440
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-08 15:16:56 UTC
Updated2026-05-12 14:10:27 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: net/mana: Null service_wq on setup error to prevent double destroy In mana_gd_setup() error path, set gc->service_wq to NULL after destroy_workqueue() to match the cleanup in mana_gd_cleanup(). This prevents a use-after-free if the workqueue pointer is checked after a failed setup.

Risk And Classification

EPSS: 0.000170000 probability, percentile 0.041290000 (date 2026-05-11)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected fa3c2f8d9152344a478abb847081c1b5f84a94f5 59489ce60d7412ed82fb1d8002faa3102dcd4916 git Not specified
CNA Linux Linux affected a9a7c3203fdc4d4a8d8a7a3b1ed05d2bb4c6e77e 6c92392602b451e3869f15ab685f8f650e942b13 git Not specified
CNA Linux Linux affected f975a0955276579e2176a134366ed586071c7c6a 87c2302813abc55c46485711a678e3c312b00666 git Not specified
CNA Linux Linux affected 6.18.16 6.18.19 semver Not specified
CNA Linux Linux affected 6.19.6 6.19.9 semver Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/6c92392602b451e3869f15ab685f8f650e942b13 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/59489ce60d7412ed82fb1d8002faa3102dcd4916 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/87c2302813abc55c46485711a678e3c312b00666 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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