CVE-2016-6522

Summary

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 Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• http://www.openwall.com/lists/oss-security/2016/08/02/8
• 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.securityfocus.com/bid/92264

References

• http://www.openwall.com/lists/oss-security/2016/08/02/8
• 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.securityfocus.com/bid/92264

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