CVE-2025-21734 — misc: fastrpc: Fix copy buffer page size
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 pa…
Published: 2025-02-27 · CVSS: 7.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7