CVEvulnerability
CVE-2016-6522
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2017-03-07
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-190
Description
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.
Affected configurations
• openbsd openbsd 5.9
Related
Weakness · CWE (1)
- CWE-190 Integer Overflow or Wraparound weakness
References
- http://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/023_uvmisavail.patch.sig Patch
- http://www.openwall.com/lists/oss-security/2016/08/02/12 Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/08/02/8 Exploit, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/92264 www.securityfocus.com
- http://ftp.openbsd.org/pub/OpenBSD/patches/5.9/common/023_uvmisavail.patch.sig Patch
- http://www.openwall.com/lists/oss-security/2016/08/02/12 Exploit, Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/08/02/8 Exploit, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/92264 www.securityfocus.com