CVE-2022-48695

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: mpt3sas: Corrija la advertencia de use-after-free. Corrija la siguiente advertencia de use-after-free que se observa durante el reinicio del controlador: refcount_t: underflow; use-after-free. ADVERTENCIA: CPU: 23 PID: 5399 en lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0

A user after-free vulnerability was found in the Linux kernel in the refcount_t variable when performing the controller reset. This issue could lead to denial of service of the system.

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fix use-after-free warning Fix the following use-after-free warning which is observed during controller reset: refcount_t: underflow; use-after-free. WARNING: CPU: 23 PID: 5399 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service. Issues addressed include a use-after-free vulnerability.