MacOS process_policy stack leak through uninitialized field(CVE-2017-7154)

The syscall processpolicyscope=PROCPOLICYSCOPEPROCESS, action=PROCPOLICYACTIONGET, policy=PROCPOLICYRESOURCEUSAGE, policysubtype=PROCPOLICYRUSAGECPU, attrp=, targetpid=0, targetthreadid= causes 4 bytes of uninitialized kernel stack memory to be written to userspace. The call graph looks as follow...

macOS process_policy Stack Leak

MacOS processpolicy stack leak through uninitialized field CVE-2017-7154 The syscall processpolicyscope=PROCPOLICYSCOPEPROCESS, action=PROCPOLICYACTIONGET, policy=PROCPOLICYRESOURCEUSAGE, policysubtype=PROCPOLICYRUSAGECPU, attrp=, targetpid=0, targetthreadid= causes 4 bytes of uninitialized kerne...

CVE-2017-7154

An issue was discovered in certain Apple products. iOS before 11.2 is affected. macOS before 10.13.2 is affected. tvOS before 11.2 is affected. The issue involves the "Kernel" component. It allows local users to bypass intended memory-read restrictions or cause a denial of service system crash...

CVE-2017-7154

CVE-2017-7154 is an Apple kernel issue affecting iOS before 11.2, macOS before 10.13.2, and tvOS before 11.2. Apple’s security content (HT208334) documents kernel-related vulnerabilities (including a Meltdown-type read of kernel memory) and kernel-level memory/read restrictions bypass leading to ...