ice: fix double free in ice_sf_eth_activate() error path

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Summary

CVECVE-2026-46162
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-28 10:16:31 UTC
Updated2026-05-28 13:44:01 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: ice: fix double free in ice_sf_eth_activate() error path When auxiliary_device_add() fails, ice_sf_eth_activate() jumps to aux_dev_uninit and calls auxiliary_device_uninit(&sf_dev->adev). The device release callback ice_sf_dev_release() frees sf_dev, but the current error path falls through to sf_dev_free and calls kfree(sf_dev) again, causing a double free. Keep kfree(sf_dev) for the auxiliary_device_init() failure path, but avoid falling through to sf_dev_free after auxiliary_device_uninit().

Risk And Classification

EPSS: 0.000180000 probability, percentile 0.048040000 (date 2026-06-02)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 13acc5c4cdbeccf3274cbbd4de2e2d316b8c4ce6 2ca30340b5028ddc3f17086a538feeff06167b1b git Not specified
CNA Linux Linux affected 13acc5c4cdbeccf3274cbbd4de2e2d316b8c4ce6 121d1f253aed515cd85748f68c664a6cb756e8ad git Not specified
CNA Linux Linux affected 13acc5c4cdbeccf3274cbbd4de2e2d316b8c4ce6 d0c6a4816609f145ffcc74e64baa214c571c17c6 git Not specified
CNA Linux Linux affected 13acc5c4cdbeccf3274cbbd4de2e2d316b8c4ce6 9aab1c3d7299285e2569cbc0ed5892d631a241b2 git Not specified
CNA Linux Linux affected 6.12 Not specified
CNA Linux Linux unaffected 6.12 semver Not specified
CNA Linux Linux unaffected 6.12.88 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.30 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.7 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/d0c6a4816609f145ffcc74e64baa214c571c17c6 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/9aab1c3d7299285e2569cbc0ed5892d631a241b2 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/2ca30340b5028ddc3f17086a538feeff06167b1b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/121d1f253aed515cd85748f68c664a6cb756e8ad 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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