7.8

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
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 5.2 < 6.1.129
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.78
Linux ≫ Linux Kernel Version >= 6.7 < 6.12.14
Linux ≫ Linux Kernel Version >= 6.13 < 6.13.3
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.19% 0.091
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://git.kernel.org/stable/c/24a79c6bc8de763f7c50f4f84f8b0c183bc25a51
Patch
https://git.kernel.org/stable/c/c0464bad0e85fcd5d47e4297d1e410097c979e55
Patch
https://git.kernel.org/stable/c/c3f7161123fcbdc64e90119ccce292d8b66281c4
Patch
https://git.kernel.org/stable/c/c56ba3ea8e3c9a69a992aad18f7a65e43e51d623
Patch
https://git.kernel.org/stable/c/e966eae72762ecfdbdb82627e2cda48845b9dd66
Patch
https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html