CVE-2026-45962

In the Linux kernel, the following vulnerability has been resolved: ublk: Validate SQE128 flag before accessing the cmd ublkctrlcmddump accesses header sqe-cmd before IOURINGFSQE128 flag check. This could cause out of boundary memory access. Move the SQE128 flag check earlier in ublkctrluringcmd ...

CVE-2026-45962

In the Linux kernel ublk subsystem, CVE-2026-45962 describes a vulnerability where ublk_ctrl_cmd_dump() may access (header *)sqe->cmd before validating IO_URING_F_SQE128, risking out-of-bounds memory access. The fix moves the SQE128 flag check earlier in ublk_ctrl_uring_cmd() to immediately re...

CVE-2026-45962 ublk: Validate SQE128 flag before accessing the cmd

In the Linux kernel, the following vulnerability has been resolved: ublk: Validate SQE128 flag before accessing the cmd ublkctrlcmddump accesses header sqe-cmd before IOURINGFSQE128 flag check. This could cause out of boundary memory access. Move the SQE128 flag check earlier in ublkctrluringcmd ...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from accessing the cmd variable before checking the IOURINGFSQE128 flag. This vulnerability may lead t...