CVE-2026-46167

A flaw was found in the Linux kernel's usblp driver. A local user, interacting with a malicious printer, could exploit this vulnerability. When the LPGETSTATUS ioctl is used and a printer responds with zero bytes, the driver may return uninitialized kernel memory. This leads to information...

CVE-2026-46151

A flaw was found in the Linux kernel's USB printer usblp driver. A malicious USB printer can exploit a heap leak vulnerability by sending a truncated device ID response. This can lead to the disclosure of up to 1021 bytes of uninitialized kernel memory, potentially exposing sensitive information ...

CVE-2026-46167

In the Linux kernel, the following vulnerability has been resolved: usb: usblp: fix uninitialized heap leak via LPGETSTATUS ioctl Just like in a previous problem in this driver, usblpctrlmsg will collapse the usbcontrolmsg return value to 0/-errno, discarding the actual number of bytes transferre...

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 the LPGETSTATUS ioctl command in the usblp driver. This command fails to initialize heap memory,...