kernel: i2c: unbounded length leads to buffer overflow in ismt_access()

A buffer overflow vulnerability was found in the Linux kernel Intel’s iSMT SMBus host controller driver in the way it handled the I2CSMBUSBLOCKPROCCALL case via the ioctl I2CSMBUS with malicious input data. In particular, the userspace controllable "data-block0" variable was not capped to a numbe...

DEBIAN-CVE-2022-3077

A buffer overflow vulnerability was found in the Linux kernel Intel’s iSMT SMBus host controller driver in the way it handled the I2CSMBUSBLOCKPROCCALL case via the ioctl I2CSMBUS with malicious input data. This flaw could allow a local user to crash the system...