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 the Linux kernel, which stems from a failure to process a DBC de-activation transaction in the qaic driver after a user leaves, which could...

CVE-2025-40172

The connected Astra Linux entry for CVE-2025-40172 provides concrete technical details: a Linux kernel vulnerability in accel/qaic where find_and_map_user_pages() may return 0 when a zero-length DMA request is made, or when a QAIC_TRANS_DMA_XFER_CONT occurs after bytes are transferred, causing en...

CVE-2025-22001 accel/qaic: Fix integer overflow in qaic_validate_req()

In the Linux kernel, the following vulnerability has been resolved: accel/qaic: Fix integer overflow in qaicvalidatereq These are u64 variables that come from the user via qaicattachsliceboioctl. Use checkaddoverflow to ensure that the math doesn't have an integer wrapping bug...