CVE-2016-6522
MEDIUM 5.5EPSS 0.4%
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.
- CVSS v3.0 NVD
- 5.5 MEDIUM
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS v2.0 NVD
- 4.9 MEDIUM
AV:L/AC:L/Au:N/C:N/I:N/A:C - EPSS
- 0.45% chance of exploitation in the next 30 days, 37th percentile
- Published
- 2017-03-07
- Updated
- 2024-08-06
Proof-of-concept exploits (1)
Security advisories
- http://www.openwall.com/lists/oss-security/2016/08/02/12
- http://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/023_uvmisavail.patch.sig
- http://www.securityfocus.com/bid/92264