PT-2026-64665 · Linux · Linux
CVE-2026-64444
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Publicado
2026-07-25
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Atualizado
2026-07-25
Nenhuma
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In the Linux kernel, the following vulnerability has been resolved:
staging: rtl8723bs: fix OOB read in OnAssocRsp() IE loop
The IE parsing loop in OnAssocRsp() advances by (pIE->length + 2) each
iteration but only guards on i < pkt len. When a malicious AP sends an
AssocResponse whose last IE has only one byte remaining in the frame
(the element id byte lands at pkt len-1), the loop reads pIE->length
from pframe[pkt len], which is one byte past the allocated receive buffer.
Additionally, even when the header bytes are in bounds, pIE->length
itself can extend the data window beyond pkt len, silently passing a
truncated IE to the handler functions.
Add two guards at the top of the loop body:
- Break if fewer than sizeof(*pIE) bytes remain (can't read header).
- Break if the IE's declared data extends past pkt len.
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