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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2017-15126 Detail

Description

A use-after-free flaw was found in fs/userfaultfd.c in the Linux kernel before 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().


Metrics

 
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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=384632e67e0829deb8015ee6ad916b180049d252 Vendor Advisory 
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=384632e67e0829deb8015ee6ad916b180049d252 Vendor Advisory 
http://www.securityfocus.com/bid/102516 Third Party Advisory  VDB Entry 
http://www.securityfocus.com/bid/102516 Third Party Advisory  VDB Entry 
https://access.redhat.com/errata/RHSA-2018:0676 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:0676 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:1062 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:1062 Third Party Advisory 
https://access.redhat.com/security/cve/CVE-2017-15126 Third Party Advisory 
https://access.redhat.com/security/cve/CVE-2017-15126 Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=1523481 Issue Tracking  Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=1523481 Issue Tracking  Third Party Advisory 
https://github.com/torvalds/linux/commit/384632e67e0829deb8015ee6ad916b180049d252 Third Party Advisory 
https://github.com/torvalds/linux/commit/384632e67e0829deb8015ee6ad916b180049d252 Third Party Advisory 
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.6 Vendor Advisory 
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.6 Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free cwe source acceptance level NIST  
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

10 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-15126
NVD Published Date:
01/14/2018
NVD Last Modified:
11/20/2024
Source:
Red Hat, Inc.