CVE-2026-46162

Summary

In 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().

Affected Software

VendorProductVersion RangeStatus
LinuxLinux13acc5c4cdbeccf3274cbbd4de2e2d316b8c4ce6 < 2ca30340b5028ddc3f17086a538feeff06167b1baffected
LinuxLinux13acc5c4cdbeccf3274cbbd4de2e2d316b8c4ce6 < 121d1f253aed515cd85748f68c664a6cb756e8adaffected
LinuxLinux13acc5c4cdbeccf3274cbbd4de2e2d316b8c4ce6 < d0c6a4816609f145ffcc74e64baa214c571c17c6affected
LinuxLinux13acc5c4cdbeccf3274cbbd4de2e2d316b8c4ce6 < 9aab1c3d7299285e2569cbc0ed5892d631a241b2affected
LinuxLinux6.12affected
LinuxLinux0 < 6.12unaffected
LinuxLinux6.12.88 <= 6.12.*unaffected
LinuxLinux6.18.30 <= 6.18.*unaffected
LinuxLinux7.0.7 <= 7.0.*unaffected
LinuxLinux7.1 <= *unaffected

Weaknesses

References