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...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-986496)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986496 advisory. 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...

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...