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CVE-2017-2618 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

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.

Severity

CVSS 3.x Severity and Metrics:

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

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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	NIST
CWE-193	Off-by-one Error	Red Hat, Inc.

Known Affected Software Configurations Switch to CPE 2.2

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Denotes Vulnerable Software
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Change History

6 change records found show changes

Initial Analysis by NIST 9/20/2018 2:54:33 PM

Action	Type	Old Value	New Value
Added	CPE Configuration		Record truncated, showing 500 of 660 characters. View Entire Change Record OR cpe:2.3:o:debian:debian_linux:8.0::::::: cpe:2.3:o:redhat:enterprise_linux:7.0::::::: cpe:2.3:o:redhat:enterprise_linux_desktop:7.0::::::: cpe:2.3:o:redhat:enterprise_linux_server:7.0::::::: cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3::::::: cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4::::::: cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3::::::: *cpe:2.3:o:redhat:enterprise_linux_server_
Added	CPE Configuration		OR cpe:2.3:o:linux:linux_kernel::::::::* versions up to (excluding) 4.9.10
Added	CVSS V2		(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Added	CVSS V3		AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Added	CWE		CWE-682
Changed	Reference Type	http://www.securityfocus.com/bid/96272 No Types Assigned	http://www.securityfocus.com/bid/96272 Third Party Advisory, VDB Entry
Changed	Reference Type	https://access.redhat.com/errata/RHSA-2017:0931 No Types Assigned	https://access.redhat.com/errata/RHSA-2017:0931 Third Party Advisory
Changed	Reference Type	https://access.redhat.com/errata/RHSA-2017:0932 No Types Assigned	https://access.redhat.com/errata/RHSA-2017:0932 Third Party Advisory
Changed	Reference Type	https://access.redhat.com/errata/RHSA-2017:0933 No Types Assigned	https://access.redhat.com/errata/RHSA-2017:0933 Third Party Advisory
Changed	Reference Type	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2618 No Types Assigned	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2618 Issue Tracking, Patch, Third Party Advisory
Changed	Reference Type	https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=0c461cb727d146c9ef2d3e86214f498b78b7d125 No Types Assigned	https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=0c461cb727d146c9ef2d3e86214f498b78b7d125 Patch, Vendor Advisory
Changed	Reference Type	https://marc.info/?l=selinux&m=148588165923772&w=2 No Types Assigned	https://marc.info/?l=selinux&m=148588165923772&w=2 Patch, Third Party Advisory
Changed	Reference Type	https://www.debian.org/security/2017/dsa-3791 No Types Assigned	https://www.debian.org/security/2017/dsa-3791 Third Party Advisory

Quick Info

CVE Dictionary Entry:
CVE-2017-2618
NVD Published Date:
07/27/2018
NVD Last Modified:
02/12/2023
Source:
Red Hat, Inc.

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2017-2618 Detail

Description

Severity

References to Advisories, Solutions, and Tools

Weakness Enumeration

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Change History

CVE Modified by Red Hat, Inc. 2/12/2023 6:29:10 PM

CVE Modified by Red Hat, Inc. 2/02/2023 11:18:14 AM

CVE Modified by Red Hat, Inc. 10/09/2019 7:26:57 PM

Initial Analysis by NIST 9/20/2018 2:54:33 PM

CVE Modified by Red Hat, Inc. 7/28/2018 9:29:02 PM

CVE Modified by Red Hat, Inc. 7/27/2018 9:29:03 PM

Quick Info