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CVE-2016-1886

Integer signedness error in the genkbd_commonioctl function in sys/dev/kbd/kbd.c in FreeBSD 9.3 before p42, 10.1 before p34, 10.2 before p17

Published
Last modified
published
Not listed in CISA KEV
1 on Exploit-DB

Summary

Integer signedness error in the genkbd_commonioctl function in sys/dev/kbd/kbd.c in FreeBSD 9.3 before p42, 10.1 before p34, 10.2 before p17, and 10.3 before p3 allows local users to obtain sensitive information from kernel memory, cause a denial of service (memory overwrite and kernel crash), or gain privileges via a negative value in the flen structure member in the arg argument in a SETFKEY ioctl call, which triggers a "two way heap and stack overflow."

Timeline

  1. CVE published
  2. Public exploit on Exploit-DB

    EDB-44211

  3. Record last updated

Affected versions

  • n/a n/a

    Version range not reported

References 6

securitytracker.com

securityfocus.com

freebsd.org

security.freebsd.org

cturt.github.io

Exploit-DB