Severity
Medium
Analysis Summary
arch/powerpc/mm/mmu_context_book3s64.c in the Linux kernel before 5.1.15 for powerpc has a bug where unrelated processes may be able to read/write to one another’s virtual memory under certain conditions via an mmap above 512 TB. Only a subset of powerpc systems are affected.
Impact
Privilege escalation
Affected Vendors
Linux
Affected Products
Remediation
Currently there are no patches available for this vulnerability.