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5.5
MEDIUM CVSS 3.0
CVE-2017-15116
Linux Kernel Rngapi Reset Denial of Service
Description

The rngapi_reset function in crypto/rng.c in the Linux kernel before 4.2 allows attackers to cause a denial of service (NULL pointer dereference).

INFO

Published Date :

Nov. 30, 2017, 6:29 p.m.

Last Modified :

April 20, 2025, 1:37 a.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2017-15116 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 Linux linux_kernel
1 Redhat enterprise_linux
: Total Affected Vendor : 2 | Products : 2
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]
Solution
To address the vulnerability, update the Linux kernel and reboot the system.
  • Update the Linux kernel packages.
  • Reboot the system.
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-2017-15116.

URL Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6 Patch Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:0676
https://access.redhat.com/errata/RHSA-2018:1062
https://bugzilla.redhat.com/show_bug.cgi?id=1485815 Issue Tracking Permissions Required
https://bugzilla.redhat.com/show_bug.cgi?id=1514609 Issue Tracking
https://github.com/torvalds/linux/commit/94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6 Patch Vendor Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6 Patch Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:0676
https://access.redhat.com/errata/RHSA-2018:1062
https://bugzilla.redhat.com/show_bug.cgi?id=1485815 Issue Tracking Permissions Required
https://bugzilla.redhat.com/show_bug.cgi?id=1514609 Issue Tracking
https://github.com/torvalds/linux/commit/94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6 Patch Vendor 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-2017-15116 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-2017-15116 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-2017-15116 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-2017-15116 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://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6
    Added Reference https://access.redhat.com/errata/RHSA-2018:0676
    Added Reference https://access.redhat.com/errata/RHSA-2018:1062
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1485815
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1514609
    Added Reference https://github.com/torvalds/linux/commit/94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6
  • 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 random number generator API. A null pointer dereference in the rngapi_reset function may result in denial of service, crashing the system. The rngapi_reset function in crypto/rng.c in the Linux kernel before 4.2 allows attackers to cause a denial of service (NULL pointer dereference).
    Removed CVSS V3 Red Hat, Inc. AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
    Removed Reference https://access.redhat.com/security/cve/CVE-2017-15116 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Changed Description The rngapi_reset function in crypto/rng.c in the Linux kernel before 4.2 allows attackers to cause a denial of service (NULL pointer dereference). A flaw was found in the Linux kernel's random number generator API. A null pointer dereference in the rngapi_reset function may result in denial of service, crashing the system.
    Added CVSS V3 Red Hat, Inc. AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
    Added Reference https://access.redhat.com/security/cve/CVE-2017-15116 [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 12, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:1062 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2018:0676 [No Types Assigned]
  • Initial Analysis by [email protected]

    Dec. 20, 2017

    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://bugzilla.redhat.com/show_bug.cgi?id=1485815 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1485815 Issue Tracking, Permissions Required
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1514609 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1514609 Issue Tracking
    Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6 No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6 Patch, Vendor Advisory
    Changed Reference Type https://github.com/torvalds/linux/commit/94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6 No Types Assigned https://github.com/torvalds/linux/commit/94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6 Patch, Vendor Advisory
    Added CWE CWE-476
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.2
    Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
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 }} -0.15%

score

0.11071

percentile