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-2026-46167

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...

CVE-2026-46167

CVE-2026-46167 – Linux kernel usb/usblp heap leak : The vulnerability stems from an uninitialized status buffer (statusbuf) allocated at probe time for LPGETSTATUS. If a malicious printer returns zero bytes, a stale 8-byte heap region could be copied to userspace via LPGETSTATUS, causing a heap l...