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5.5
MEDIUM CVSS 3.0
CVE-2017-2618
Linux Kernel SELinux Denial of Service (DoS)
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.

INFO

Published Date :

July 27, 2018, 7:29 p.m.

Last Modified :

Nov. 21, 2024, 3:23 a.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2017-2618 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat enterprise_linux
2 Redhat enterprise_linux_desktop
3 Redhat enterprise_linux_server
4 Redhat enterprise_linux_workstation
5 Redhat enterprise_linux_server_aus
6 Redhat enterprise_linux_server_eus
1 Linux linux_kernel
1 Debian debian_linux
: Total Affected Vendor : 3 | Products : 8
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.0 MEDIUM [email protected]
CVSS 3.0 MEDIUM [email protected]
Solution
Update the Linux kernel to address a denial-of-service vulnerability by upgrading the kernel packages.
  • Update the Linux kernel to a version greater than 4.9.10.
  • Reboot the system after updating the kernel packages.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2017-2618.

URL 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
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
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-2618 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2017-2618 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2017-2618 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2017-2618 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/96272
    Added Reference https://access.redhat.com/errata/RHSA-2017:0931
    Added Reference https://access.redhat.com/errata/RHSA-2017:0932
    Added Reference https://access.redhat.com/errata/RHSA-2017:0933
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2618
    Added Reference https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=0c461cb727d146c9ef2d3e86214f498b78b7d125
    Added Reference https://marc.info/?l=selinux&m=148588165923772&w=2
    Added Reference https://www.debian.org/security/2017/dsa-3791
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 12, 2023

    Action Type Old Value New Value
    Changed Description A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory. 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.
    Removed Reference https://access.redhat.com/security/cve/CVE-2017-2618 [No Types Assigned]
    Removed Reference https://bugzilla.redhat.com/show_bug.cgi?id=1419916 [No Types Assigned]
    Added CWE Red Hat, Inc. CWE-193
  • CVE Modified by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Changed 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. A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory.
    Added Reference https://access.redhat.com/security/cve/CVE-2017-2618 [No Types Assigned]
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1419916 [No Types Assigned]
    Removed CWE Red Hat, Inc. CWE-193
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CVSS V3 Red Hat, Inc. AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE Red Hat, Inc. CWE-193
  • Initial Analysis by [email protected]

    Sep. 20, 2018

    Action Type Old Value New Value
    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
    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://www.debian.org/security/2017/dsa-3791 No Types Assigned https://www.debian.org/security/2017/dsa-3791 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://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://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 http://www.securityfocus.com/bid/96272 No Types Assigned http://www.securityfocus.com/bid/96272 Third Party Advisory, VDB Entry
    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
    Added CWE CWE-682
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.9.10
    Added CPE Configuration 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_eus:7.4:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jul. 29, 2018

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2017/dsa-3791 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2017:0933 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2017:0932 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2017:0931 [No Types Assigned]
    Added Reference http://www.securityfocus.com/bid/96272 [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 28, 2018

    Action Type Old Value New Value
    Removed Reference https://marc.info/?l=selinux&m=148588165923772&w=2 [No Types Assigned]
    Added Reference https://marc.info/?l=selinux&m=148588165923772&w=2 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 5.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 4.9
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.05 }} -0.00%

score

0.15609

percentile