Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ublk: The kernel-owned devinfo fields are reset in the ublkctrladddev function. The memcpy function copies the ublksrvctrldevinfo from the user space into ub-devinfo, and then updates the fields owned by the driver. However, i...

CVE-2026-45962

The CVE affects the Linux kernel ublk driver, where ublk_ctrl_cmd_dump() could access (header *)sqe->cmd before checking IO_URING_F_SQE128, enabling out-of-bounds memory access. The mitigation is to check the SQE128 flag earlier in ublk_ctrl_uring_cmd() and return -EINVAL if not set. Several s...