CVE-2026-74458

A flaw was found in the Kvaser USB CAN driver kvaserusbleaf in the Linux kernel. This vulnerability occurs due to insufficient validation of received command lengths from a USB buffer. A malicious or malformed command shorter than the expected header length, or one that exceeds the destination...

SUSE CVE-2026-74458

In the Linux kernel, the following vulnerability has been resolved: can: kvaserusbleaf: kvaserusbleafwaitcmd: validate received command extents The wait and bulk receive paths walk variable-length commands from a USB buffer. A nonzero command shorter than CMDHEADERLEN can still be dispatched, and...

AZL-96111 CVE-2026-74458 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: can: kvaserusbleaf: kvaserusbleafwaitcmd: validate received command extents The wait and bulk receive paths walk variable-length commands from a USB buffer. A nonzero command shorter than CMDHEADERLEN can still be dispatched, and...

CVE-2026-74458

In the Linux kernel, the following vulnerability has been resolved: can: kvaserusbleaf: kvaserusbleafwaitcmd: validate received command extents The wait and bulk receive paths walk variable-length commands from a USB buffer. A nonzero command shorter than CMDHEADERLEN can still be dispatched, and...

UBUNTU-CVE-2026-74458

In the Linux kernel, the following vulnerability has been resolved: can: kvaserusbleaf: kvaserusbleafwaitcmd: validate received command extents The wait and bulk receive paths walk variable-length commands from a USB buffer. A nonzero command shorter than CMDHEADERLEN can still be dispatched, and...

EUVD-2026-59651

In the Linux kernel, the following vulnerability has been resolved: can: kvaserusbleaf: kvaserusbleafwaitcmd: validate received command extents The wait and bulk receive paths walk variable-length commands from a USB buffer. A nonzero command shorter than CMDHEADERLEN can still be dispatched, and...

CVE-2026-74458

Summary: CVE-2026-74458 affects the Linux kernel can: kvaser_usb_leaf code. The flaw allowed dispatch of variable-length USB commands when a nonzero command shorter than CMD_HEADER_LEN was received; a matching command could be copied into a caller-owned kvaser_cmd using the device-provided length...

CVE-2026-74458

In the Linux kernel, the following vulnerability has been resolved: can: kvaserusbleaf: kvaserusbleafwaitcmd: validate received command extents The wait and bulk receive paths walk variable-length commands from a USB buffer. A nonzero command shorter than CMDHEADERLEN can still be dispatched, and...

CVE-2026-74458 can: kvaser_usb_leaf: kvaser_usb_leaf_wait_cmd(): validate received command extents

In the Linux kernel, the following vulnerability has been resolved: can: kvaserusbleaf: kvaserusbleafwaitcmd: validate received command extents The wait and bulk receive paths walk variable-length commands from a USB buffer. A nonzero command shorter than CMDHEADERLEN can still be dispatched, and...

CVE-2026-74458 can: kvaser_usb_leaf: kvaser_usb_leaf_wait_cmd(): validate received command extents

In the Linux kernel, the following vulnerability has been resolved: can: kvaserusbleaf: kvaserusbleafwaitcmd: validate received command extents The wait and bulk receive paths walk variable-length commands from a USB buffer. A nonzero command shorter than CMDHEADERLEN can still be dispatched, and...

CVE-2026-74458: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: can: kvaserusbleaf: kvaserusbleafwaitcmd: validate received command extents The wait and bulk receive paths walk variable-length commands from a USB buffer. A nonzero command shorter than CMDHEADERLEN can still be dispatched, and...

Vulnerability of the functions kvaser_usb_leaf_wait_cmd() and kvaser_usb_leaf_read_bulk_callback() in the kernel module drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c of the Linux operating system, which allows a hacker to cause a service failure

The vulnerabilities of the functions kvaserusbleafwaitcmd and kvaserusbleafreadbulkcallback in the kernel module drivers/net/can/usb/kvaserusb/kvaserusbleaf.c of the Linux operating system are related to the execution of a loop with an unreachable exit condition. Exploiting these vulnerabilities...