CVE-2025-21734
misc: fastrpc: Fix copy buffer page size
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Feb 27, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
02b45b47fbe84e23699bb6bdc74d4c2780e282b4 < c56ba3ea8e3c9a69a992aad18f7a65e43e51d623 02b45b47fbe84e23699bb6bdc74d4c2780e282b4 < c0464bad0e85fcd5d47e4297d1e410097c979e55 02b45b47fbe84e23699bb6bdc74d4c2780e282b4 < 24a79c6bc8de763f7c50f4f84f8b0c183bc25a51 02b45b47fbe84e23699bb6bdc74d4c2780e282b4 < c3f7161123fcbdc64e90119ccce292d8b66281c4 02b45b47fbe84e23699bb6bdc74d4c2780e282b4 < e966eae72762ecfdbdb82627e2cda48845b9dd66
Linux / Linux
5.2
References
git.kernel.org: https://git.kernel.org/stable/c/c56ba3ea8e3c9a69a992aad18f7a65e43e51d623 git.kernel.org: https://git.kernel.org/stable/c/c0464bad0e85fcd5d47e4297d1e410097c979e55 git.kernel.org: https://git.kernel.org/stable/c/24a79c6bc8de763f7c50f4f84f8b0c183bc25a51 git.kernel.org: https://git.kernel.org/stable/c/c3f7161123fcbdc64e90119ccce292d8b66281c4 git.kernel.org: https://git.kernel.org/stable/c/e966eae72762ecfdbdb82627e2cda48845b9dd66 lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html