spi: fix null pointer dereference within spi_sync

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The vulnerability of the __spi_sync() function in the Linux operating system’s Serial Peripheral Interface (SPI) driver allows a hacker to trigger a service failure.

The vulnerability of the spisync function in the drivers/spi/spi.c file of the Linux System on Chip Serial Peripheral Interface SPI driver is related to the assignment of a zero pointer. Exploiting this vulnerability could allow an attacker to cause a service failure...

kernel: mptcp: fix deadlock in __mptcp_push_pending()

A vulnerability was found in the Linux kernel's mptcp component in the mptcppushpending function, where a deadlock can occur when calling mptcpflushjoinlist with the subflow socket lock held. This happens if the synchronization function mptcpsockoptsyncall is invoked, causing the system to hang d...