Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/smc: fixed the issue where NULL sndbufdesc was used in smccdctxhandler. When performing a stress test on SMC-R using the rmmod mlx5ib driver during the wrk/nginx test, we found that there is a possibility of triggering a pani...

NXP SC16IS7xx UART Driver Buffer Overflow DoS

The vulnerability of the functions sc16is7xxhandletx and sc16is7xxhandlerx in the drivers/tty/serial/sc16is7xx.c file of the Linux kernel device driver is related to a violation of synchronization mechanisms. Exploiting this vulnerability could allow an attacker to compromise the confidentiality,...

kernel: net/smc: fix NULL sndbuf_desc in smc_cdc_tx_handler()

A flaw was found in the Linux kernel's Shared Memory Communications SMC subsystem. A race condition between link group termination and buffer creation can cause the kernel to access an uninitialized memory pointer during message handling. A local user could trigger these conditions to crash the...