CVE-2017-2618 Detail

Current Description

A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files before 4.9.10. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score matches with CNA score
CNA:  Red Hat, Inc.
Base Score:  5.5 MEDIUM
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: The NVD and the CNA have provided the same score. When this occurs only the CNA information is displayed, but the Acceptance Level icon for the CNA is given a checkmark to signify NVD concurrence.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/96272 Third Party Advisory  VDB Entry 
https://access.redhat.com/errata/RHSA-2017:0931 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:0932 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:0933 Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2618 Issue Tracking  Patch  Third Party Advisory 
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=0c461cb727d146c9ef2d3e86214f498b78b7d125 Patch  Vendor Advisory 
https://marc.info/?l=selinux&m=148588165923772&w=2 Patch  Third Party Advisory 
https://www.debian.org/security/2017/dsa-3791 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-682 Incorrect Calculation cwe source acceptance level NIST  
CWE-193 Off-by-one Error Reference acceptance level Red Hat, Inc.  

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-2618
NVD Published Date:
07/27/2018
NVD Last Modified:
10/09/2019
Source:
MITRE