Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001433)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001433 advisory. drivers/infiniband/core/ucma.c in the Linux kernel through 4.17.11 allows ucmaleavemulticast to access a certain data structure after a cleanup step in...

kernel: use-after-free in ucma_leave_multicast in drivers/infiniband/core/ucma.c

A flaw was found in the Linux Kernel in the ucmaleavemulticast function in drivers/infiniband/core/ucma.c which allows access to a certain data structure after freeing it in ucmaprocessjoin. This allows an attacker to cause a use-after-free bug and to induce kernel memory corruption, leading to a...

kernel: use-after-free in ucma_leave_multicast in drivers/infiniband/core/ucma.c

A flaw was found in the Linux Kernel in the ucmaleavemulticast function in drivers/infiniband/core/ucma.c which allows access to a certain data structure after freeing it in ucmaprocessjoin. This allows an attacker to cause a use-after-free bug and to induce kernel memory corruption, leading to a...