IT

Tracker / CVE-2025-21734

CVE-2025-21734

High 7.8

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.

Affected products and versions

linux linux_kernel · 5.2 → 6.1.129
linux linux_kernel · 6.13 → 6.13.3
linux linux_kernel · 6.2 → 6.6.78
linux linux_kernel · 6.7 → 6.12.14

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References