CVE Watch30 jul 2026

CVE-2025-21734

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Fix copy buffer page size For non-registered buffer, fa

CVSS

7.8

Alto

EPSS

0.2%

p10

KEV

—

Exploit Today

0-100

Publicado: 27 feb 2025 · Última mod.: 30 jul 2026 · CWE-787

EPSS · 30d

0.2%EPSS · 30 días0.2%

2026-07-152026-08-12

Descripción técnica

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Fix copy buffer page size For non-registered buffer, fastrpc driver copies the buffer and pass it to the remote subsystem. There is a problem with current implementation of page size calculation which is not considering the offset in the calculation. This might lead to passing of improper and out-of-bounds page size which could result in memory issue. Calculate page start and page end using the offset adjusted address instead of absolute address.

Referencias oficiales

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