CVE-2017-15126

CVE Details

Release Date:	2018-07-30
Impact:	None	What is this?

Description

A use-after-free flaw was found in fs/userfaultfd.c in the Linux kernelbefore 4.13.6. The issue is related to the handling of fork failure when dealing with event messages. Failure to fork correctly can lead to a situation where a fork event will be removed from an already freed list of events with userfaultfd_ctx_put().

See more information about CVE-2017-15126 from MITRE CVE dictionary and NIST NVD

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

CVSS v2 metrics

Base Score:	9.3
Vector String:	AV:N/AC:M/Au:N/C:C/I:C/A:C
Version:	2.0
Attack Vector:	Network
Attack Complexity:	Medium
Authentication:	None
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (kernel)	ELSA-2018-1062	2018-04-16