CVE-2026-99044
Description
In the Linux kernel, the following vulnerability has been resolved: ice: fix use-after-free in dynamic port cleanup ice_dealloc_dynamic_port() uses dyn_port->vsi->idx to erase the dynamic port from pf->dyn_ports. However, it frees the VSI before reading the index for the erase, resulting in a use-after-free. Follow the reverse of the allocation order in ice_alloc_dynamic_port() by erasing the xarray entry before freeing the VSI.
How to fix
- Linux Linux7c1344df1ae0579f57b97647e5203b06496ce10c, ca8a6285b11d01e5a279b1aa7fb55b1a02ecebb1, b98eb58ba2f8fe8e9bba1b8a3b94fa5602c6de84, 1402fc67d2f4e2e1fc7bf8ee0825b8ad994557ff or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | eda69d654c7edae21312f731e0308941cb2ee2a9 ≤ v < 7c1344df1ae0579f57b97647e5203b06496ce10c, eda69d654c7edae21312f731e0308941cb2ee2a9 ≤ v < ca8a6285b11d01e5a279b1aa7fb55b1a02ecebb1, eda69d654c7edae21312f731e0308941cb2ee2a9 ≤ v < b98eb58ba2f8fe8e9bba1b8a3b94fa5602c6de84, eda69d654c7edae21312f731e0308941cb2ee2a9 ≤ v < 1402fc67d2f4e2e1fc7bf8ee0825b8ad994557ff, 6.12 | 7c1344df1ae0579f57b97647e5203b06496ce10c, ca8a6285b11d01e5a279b1aa7fb55b1a02ecebb1, b98eb58ba2f8fe8e9bba1b8a3b94fa5602c6de84, 1402fc67d2f4e2e1fc7bf8ee0825b8ad994557ff |
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