Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-004014)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004014 advisory. A race condition in the Linux kernel before 5.6.2 between the VTDISALLOCATE ioctl and closing/opening of ttys could lead to a use-after-free. Tenable has extracted t...

The vulnerability in the implementation of the VT_DISALLOCATE function in Linux kernel allows a attacker to trigger a service failure.

The vulnerability in the implementation of the VTDISALLOCATE function in Linux operating systems is related to the use of memory after it is freed during the loading of the tty utility. Exploiting this vulnerability can allow a remote attacker to cause a service failure...

UBUNTU-CVE-2020-36557

A race condition in the Linux kernel before 5.6.2 between the VTDISALLOCATE ioctl and closing/opening of ttys could lead to a use-after-free...

PT-2020-6690 · Linux +4 · Linux Kernel +4

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.6.2 Description: A race condition between the VT DISALLOCATE ioctl and closing/opening of ttys could lead to a use-after-free. This issue is related to the implementation of the VT DISALLOCATE call in the Linu...