The vulnerability of the nj_release() function in the drivers/isdn/hardware/mISDN/netjet.c module of the driver support for mISDN hardware in the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the njrelease function in the drivers/isdn/hardware/mISDN/netjet.c module of the mISDN support driver for the Linux operating system is related to improper locking of resources. Exploiting this vulnerability could allow an attacker to cause service failures...

DEBIAN-CVE-2021-47284

In the Linux kernel, the following vulnerability has been resolved: isdn: mISDN: netjet: Fix crash in njprobe: 'njsetup' in netjet.c might fail with -EIO and in this case 'card-irq' is initialized and is bigger than zero. A subsequent call to 'njrelease' will free the irq that has not been...