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CVE Watch26 de out. de 2026

CVE-2026-98911

In the Linux kernel, the following vulnerability has been resolved: dpaa2-switch: fix the error path in dpaa2_switch_rx() In case of an er

CVSS

7.5

Alta

EPSS

0.3%

p25

KEV

—

Exploit Today

7

0-100

Publicado: 23 de out. de 2026 · Última mod.: 26 de out. de 2026

EPSS · 30d
0.3%EPSS · 30 dias0.3%
2026-10-252026-11-07
Descrição técnica

In the Linux kernel, the following vulnerability has been resolved: dpaa2-switch: fix the error path in dpaa2_switch_rx() In case of an error in dpaa2_switch_rx(), the dpaa2_switch_free_fd() function is called in order to free the FD. This is incorrect since the dpaa2_switch_free_fd() is intended to be used on Tx frame descriptors, meaning that it expects in the software annotation area of the FD data to find a valid skb pointer on which to call dev_kfree_skb(). Fix this by extracting the dma_unmap_page() from dpaa2_switch_build_linear_skb() directly into the dpaa2_switch_rx() function. This allows us to directly use free_pages() in case of an error before an SKB was created and kfree_skb() afterwards.

Referências oficiais
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