CVE-2017-17807

CVE Details

Release Date:	2017-12-20
Impact:	None	What is this?

Description

The KEYS subsystem in the Linux kernel before 4.14.6 omitted an access-control check when adding a key to the current task's default request-key keyring via the request_key() system call, allowing a local user to use a sequence of crafted system calls to add keys to a keyring with only Search permission (not Write permission) to that keyring, related to construct_get_dest_keyring() in security/keys/request_key.c.

See more information about CVE-2017-17807 from MITRE CVE dictionary and NIST NVD

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

CVSS v3 metrics

Base Score:	3.3
Vector String:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Version:	3.0
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	None
Integrity Impact:	Low
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (dtrace-modules-3.8.13-118.31.1.el6uek)	ELSA-2019-4576	2019-03-12
Oracle Linux version 6 (kernel-uek)	ELSA-2019-4575	2019-03-12
Oracle Linux version 6 (kernel-uek)	ELSA-2019-4576	2019-03-12
Oracle Linux version 7 (dtrace-modules-3.8.13-118.31.1.el7uek)	ELSA-2019-4576	2019-03-12
Oracle Linux version 7 (kernel)	ELSA-2020-1016	2020-04-06
Oracle Linux version 7 (kernel-uek)	ELSA-2019-4575	2019-03-12
Oracle Linux version 7 (kernel-uek)	ELSA-2019-4576	2019-03-12
Oracle VM version 3.4 (kernel-uek)	OVMSA-2019-0009	2019-03-12