CVE-2021-47457

In the Linux kernel, the following vulnerability has been resolved: can: isotp: isotpsendmsg: add result check for waiteventinterruptible Using waiteventinterruptible to wait for complete transmission, but do not check the result of waiteventinterruptible which can be interrupted. It will result ...

CVE-2021-47457

CVE-2021-47457 affects the Linux kernel’s CAN ISOTP path: isotp_sendmsg() failed to check the return value of wait_event_interruptible(), allowing a TX buffer to be accessed by multiple processes and causing interference. The fixes add a result check in isotp_sendmsg() to prevent multiple TX-acce...