5.5med

CVE-2016-6239

The mmap extension __MAP_NOFAULT in OpenBSD 5.8 and 5.9 allows attackers to cause a denial of service (kernel panic and crash) via a large…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
5.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.5%
percentile 42%
Public exploits
0
none known

Summary

The mmap extension __MAP_NOFAULT in OpenBSD 5.8 and 5.9 allows attackers to cause a denial of service (kernel panic and crash) via a large size value.

Exploit prediction (EPSS)

0.48% probability of exploitation in the next 30 days, higher than 42% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD2.04.9AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-20 Improper Input Validation

References

  • securitytracker.com /id/1036318 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • openbsd.org /errata59.html · x_refsource_CONFIRM, x_transferred
  • openwall.com /lists/oss-security/2016/07/14/5 · mailing-list, x_refsource_MLIST, x_transferred
  • openwall.com /lists/oss-security/2016/07/17/7 · mailing-list, x_refsource_MLIST, x_transferred
  • openbsd.org /errata58.html · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/91805 · vdb-entry, x_refsource_BID, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.