Integer overflow in the uvm_map_isavail function in uvm...
Moderate severity
Unreviewed
Published
May 17, 2022
to the GitHub Advisory Database
•
Updated Jan 27, 2023
Description
Published by the National Vulnerability Database
Mar 7, 2017
Published to the GitHub Advisory Database
May 17, 2022
Last updated
Jan 27, 2023
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.
References