Security Advisory

CVE-2016-1886

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2016-05-25 15:00:00

Last updated 2024-08-05 23:10:40

Assigner mitre

CVSS score not scored

State PUBLISHED

Description

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."

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