xhci: Prevent queuing new commands if xhci is inaccessible

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Summary

CVECVE-2026-97430
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-24 17:17:21 UTC
Updated2026-09-25 13:17:26 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: xhci: Prevent queuing new commands if xhci is inaccessible Refuse to queue a new command on the command ring if xHC is marked inaccessible with the HCD_FLAG_HW_ACCESSIBLE. HCD_FLAG_HW_ACCESSIBLE is set and cleared in suspend and resume. Also print a warning if xhci is being suspended with commands still pending on the command ring.

Risk And Classification

EPSS: 0.001660000 probability, percentile 0.052120000 (date 2026-09-27)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 5535b1d5f8885695c6ded783c692e3c0d0eda8ca a50948386256b24d73971b9a152fe1de808446ab git Not specified
CNA Linux Linux affected 5535b1d5f8885695c6ded783c692e3c0d0eda8ca a05e54c1eeaba10414aa2fde94589a7c9885f2a1 git Not specified
CNA Linux Linux affected 5535b1d5f8885695c6ded783c692e3c0d0eda8ca 82b70c799281cc24506085be978b829149ba0ca4 git Not specified
CNA Linux Linux affected 2.6.37 Not specified
CNA Linux Linux unaffected 2.6.37 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/82b70c799281cc24506085be978b829149ba0ca4 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/a05e54c1eeaba10414aa2fde94589a7c9885f2a1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/a50948386256b24d73971b9a152fe1de808446ab 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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