A Red Hat only CVE-2020-12352 regression issue was found in the way the Linux kernels Bluetooth stack implementation handled the initialization of stack memory when handling certain AMP packets. This flaw allows a remote attacker in an adjacent range to leak small portions of stack memory on the system by sending specially crafted AMP packets. The highest threat from this vulnerability is to data confidentiality.
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Enterprise_linux | Redhat | 8.3 (including) | 8.3 (including) |
| Red Hat Enterprise Linux 8 | RedHat | kernel-rt-0:4.18.0-240.1.1.rt7.55.el8_3 | * |
| Red Hat Enterprise Linux 8 | RedHat | kernel-0:4.18.0-240.1.1.el8_3 | * |
| Linux | Ubuntu | trusty | * |
| Linux-aws | Ubuntu | trusty | * |
| Linux-azure | Ubuntu | trusty | * |
| Linux-hwe | Ubuntu | bionic | * |
| Linux-hwe | Ubuntu | esm-infra/bionic | * |
| Linux-lts-xenial | Ubuntu | trusty | * |
| Linux-raspi2 | Ubuntu | focal | * |
Access control involves the use of several protection mechanisms such as:
When any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc. There are two distinct behaviors that can introduce access control weaknesses: