CVE - CVE-2025-21734

CVE-ID
CVE-2025-21734	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/24a79c6bc8de763f7c50f4f84f8b0c183bc25a51 URL:https://git.kernel.org/stable/c/24a79c6bc8de763f7c50f4f84f8b0c183bc25a51 MISC:https://git.kernel.org/stable/c/c0464bad0e85fcd5d47e4297d1e410097c979e55 URL:https://git.kernel.org/stable/c/c0464bad0e85fcd5d47e4297d1e410097c979e55 MISC:https://git.kernel.org/stable/c/c3f7161123fcbdc64e90119ccce292d8b66281c4 URL:https://git.kernel.org/stable/c/c3f7161123fcbdc64e90119ccce292d8b66281c4 MISC:https://git.kernel.org/stable/c/c56ba3ea8e3c9a69a992aad18f7a65e43e51d623 URL:https://git.kernel.org/stable/c/c56ba3ea8e3c9a69a992aad18f7a65e43e51d623 MISC:https://git.kernel.org/stable/c/e966eae72762ecfdbdb82627e2cda48845b9dd66 URL:https://git.kernel.org/stable/c/e966eae72762ecfdbdb82627e2cda48845b9dd66
Assigning CNA
kernel.org
Date Record Created
20241229	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20241229)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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