Linux Kernel PCI RCAR-EP Out-of-Bounds Memory Access Vulnerability

A vulnerability in the Linux kernel's PCI RCAR-EP component can lead to out-of-bounds memory access. The issue arises in the 'rcar_pcie_parse_outbound_ranges()' function, where a stack-allocated string variable is improperly used to store a dynamically generated resource name. This mismanagement can cause undefined behavior, potentially allowing garbage data to be read from memory or, in rare cases, causing a system crash by accessing unmapped memory above the stack.

Impact

Exploitation of this vulnerability can lead to out-of-bounds memory access, with possible consequences including reading of garbage data from memory or causing a system crash by accessing unmapped memory.