CVE-2026-90055

This vulnerability affects the Linux kernel 's usbatm driver (USB ATM). The root cause is in usbatm_atm_init(), which sets ci_range.vpi_bits and ci_range.vci_bits to ATM_CI_MAX (−1), a sentinel value intended for userspace ATM_SETCIRANGE requests rather than a valid bit count. These fields are us...

EUVD-2026-81916

In the Linux kernel, the following vulnerability has been resolved: usb: atm: usbatm: fix invalid cirange initialization syzbot reported a shift-out-of-bounds in vccconnect: UBSAN: shift-out-of-bounds in net/atm/common.c:382:32 shift exponent -1 is negative CPU: 0 UID: 0 PID: 5987 Comm: syz.0.18...