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CVE Watch30 de out. de 2026

CVE-2026-99045

In the Linux kernel, the following vulnerability has been resolved: ibmveth: h_free logical LAN on open-fail after register ibmveth_open()

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Publicado: 23 de out. de 2026 · Última mod.: 30 de out. de 2026

EPSS · 30d
0.2%EPSS · 30 dias0.2%
2026-10-252026-11-07
Descrição técnica

In the Linux kernel, the following vulnerability has been resolved: ibmveth: h_free logical LAN on open-fail after register ibmveth_open() registers the logical LAN, then allocates the RX buffer pools. A pool failure jumps to out_free_buffer_pools without h_free_logical_lan(), so PHYP still owns the buffer-list page when it is unmapped. request_irq() failure already issued the hypercall before taking the same label. Move that h_free to the shared post-register unwind so both paths deregister before the buffer list is unmapped.

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