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CVE-2025-21734

misc: fastrpc: Fix copy buffer page size PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
Linux / Linuxaffected 02b45b47fbe84e23699bb6bdc74d4c2780e282b4 before c56ba3ea8e3c9a69a992aad18f7a65e43e51d623; affected 02b45b47fbe84e23699bb6bdc74d4c2780e282b4 before c0464bad0e85fcd5d47e4297d1e410097c979e55; affected 02b45b47fbe84e23699bb6bdc74d4c2780e282b4 before 24a79c6bc8de763f7c50f4f84f8b0c183bc25a51; affected 02b45b47fbe84e23699bb6bdc74d4c2780e282b4 before c3f7161123fcbdc64e90119ccce292d8b66281c4; affected 02b45b47fbe84e23699bb6bdc74d4c2780e282b4 before e966eae72762ecfdbdb82627e2cda48845b9dd66
Linux / Linuxaffected 5.2; unaffected 0 before 5.2; unaffected 6.1.129 through 6.1.*; unaffected 6.6.78 through 6.6.*; unaffected 6.12.14 through 6.12.*; unaffected 6.13.3 through 6.13.*; unaffected 6.14 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CVE

No English description supplied.