CVEvulnerability

CVE-2016-1886

7.8 HIGH Published 2016-05-25 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2016-05-25
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.8 HIGH — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
CWE-119

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."

Affected configurations

• freebsd freebsd 9.3 • freebsd freebsd 10.1 • freebsd freebsd 10.2 • freebsd freebsd 10.3

Related

Weakness · CWE (1)

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness

References