CVE-2026-31633: falha crítica em Linux
rxrpc: Fix integer overflow in rxgk_verify_response()
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28Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 9.8epss 0.7%
probabilidade de exploração
0.7%top 49% das CVEs
exploração observada
nãonenhuma fonte reporta
In the Linux kernel, the following vulnerability has been resolved:
rxrpc: Fix integer overflow in rxgk_verify_response()
In rxgk_verify_response(), there's a potential integer overflow due to
rounding up token_len before checking it, thereby allowing the length check to
be bypassed.
Fix this by checking the unrounded value against len too (len is limited as
the response must fit in a single UDP packet).
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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