CVEvulnerability

CVE-2016-4470

5.5 MEDIUM Published 2016-06-27 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2016-06-27
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C

Description

The key_reject_and_link function in security/keys/key.c in the Linux kernel through 4.6.3 does not ensure that a certain data structure is initialized, which allows local users to cause a denial of service (system crash) via vectors involving a crafted keyctl request2 command.

Affected configurations

• oracle vm server 3.3 • oracle vm server 3.4 • oracle linux 5.0 • oracle linux 6 • oracle linux 7 • linux linux kernel (<= 4.6.3) • novell suse linux enterprise real time extension 12.0 • redhat enterprise linux 6.0 • redhat enterprise linux desktop 7.0 • redhat enterprise linux for real time 7.0 • redhat enterprise linux hpc node 7.0 • redhat enterprise linux hpc node eus 7.0 • redhat enterprise linux server 7.0 • redhat enterprise linux server aus 7.2 • redhat enterprise linux server eus 7.2 • redhat enterprise linux workstation 7.0 • redhat enterprise mrg 2.0

References