CVE-2016-6522

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.

Score

CVSS 3.0 5.5 Medium

Status

Modified - cve@mitre.org

Published

2017-03-07

Last modified

2024-08-06

Weaknesses

CWE-190

Affected products

• Openbsd (Openbsd)

References

• http://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/023_uvmisavail.patch.sig
• http://www.openwall.com/lists/oss-security/2016/08/02/12
• http://www.openwall.com/lists/oss-security/2016/08/02/8
• http://www.securityfocus.com/bid/92264