CVE-2017-12192

CVE Details

Release Date:

2017-10-11

Description

The keyctl_read_key function in security/keys/keyctl.c in the Key Management subcomponent in the Linux kernel before 4.13.5 does not properly consider that a key may be possessed but negatively instantiated, which allows local users to cause a denial of service (OOPS and system crash) via a crafted KEYCTL_READ operation.

See more information about CVE-2017-12192 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	5.5	Base Metrics:	AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Access Vector:	Local network	Attack Complexity:	Low
Privileges Required:	Low	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	None
Integrity Impact:	None	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (kernel)	ELSA-2020-2430	2020-06-10
Oracle Linux version 6 (kernel-uek)	ELSA-2017-3640	2017-11-13
Oracle Linux version 7 (kernel)	ELSA-2018-0151	2018-01-25
Oracle Linux version 7 (kernel-uek)	ELSA-2017-3640	2017-11-13
Oracle VM version 3.4 (kernel-uek)	OVMSA-2017-0169	2017-11-14

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team