Integer Overflow in uvm_map_isavail Function in OpenBSD 5.9

CVE-2016-6522 · MEDIUM Severity

AV:L/AC:L/AU:N/C:N/I:N/A:C

Integer overflow in the uvm_map_isavail function in uvm/uvm_map.c in OpenBSD 5.9 allows local users to cause a denial of service (kernel panic) via a crafted mmap call, which triggers the new mapping to overlap with an existing mapping.

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