The vulnerability of the find_and_map_user_pages() function in the drivers/accel/qaic/qaic_control.c file of the Linux kernel allows a hacker to trigger a service failure.

The vulnerability of the findandmapuserpages function in the Linux kernel’s drivers/accel/qaic/qaiccontrol.c file is related to incorrect validation of input data. Exploiting this vulnerability could allow an attacker to cause a service failure...

SUSE CVE-2023-53778

In the Linux kernel, the following vulnerability has been resolved: accel/qaic: Clean up integer overflow checking in mapuserpages The encodedma function has some validation on intrans-size but it would be more clear to move those checks to findandmapuserpages. The encodedma had two checks: if...

CVE-2023-53778

In the Linux kernel, the following vulnerability has been resolved: accel/qaic: Clean up integer overflow checking in mapuserpages The encodedma function has some validation on intrans-size but it would be more clear to move those checks to findandmapuserpages. The encodedma had two checks: if...

CVE-2025-40172

In the Linux kernel, the following vulnerability has been resolved: accel/qaic: Treat remaining == 0 as error in findandmapuserpages Currently, if findandmapuserpages takes a DMA xfer request from the user with a length field set to 0, or in a rare case, the host receives QAICTRANSDMAXFERCONT fro...

accel/qaic: Treat remaining == 0 as error in find_and_map_user_pages()

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CVE-2025-40172 accel/qaic: Treat remaining == 0 as error in find_and_map_user_pages()

In the Linux kernel, the following vulnerability has been resolved: accel/qaic: Treat remaining == 0 as error in findandmapuserpages Currently, if findandmapuserpages takes a DMA xfer request from the user with a length field set to 0, or in a rare case, the host receives QAICTRANSDMAXFERCONT fro...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from the findandmapuserpages function not properly handling zero-length requests, which could lead to a null pointer...