PT-2026-116711 · Linux · Linux

CVE-2026-98492

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Publicado

2026-10-18

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Atualizado

2026-10-18

Nenhuma

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In the Linux kernel, the following vulnerability has been resolved:
net: macb: fix dma alloc coherent() leak on macb alloc() error paths
Fix 3 leaks in macb alloc() error paths:
  • Tx buffer allocated but crossing a 4G boundary: Tx leaked.
  • Rx buffer allocation fails: Tx leaked.
  • Rx buffer allocated but crossing a 4G boundary: Tx & Rx leaked.
This is because our error handling calls macb free(bp) which in turn frees the buffers stored in bp->queues[0], but nothing has been stored in there. Fix by storing allocated buffers into bp->queues[0] ASAP.
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Identificadores relacionados

CVE-2026-98492

Produtos afetados

Linux