CVE-2017-12192 Detail

Current Description

The keyctl_read_key function in security/keys/keyctl.c in the Key Management subcomponent in the Linux kernel before 4.13.5 does not properly consider that a key may be possessed but negatively instantiated, which allows local users to cause a denial of service (OOPS and system crash) via a crafted KEYCTL_READ operation.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
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: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=37863c43b2c6464f252862bf2e9768264e961678 Patch  Vendor Advisory 
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5 Vendor Advisory 
https://access.redhat.com/errata/RHSA-2018:0151
https://bugzilla.redhat.com/show_bug.cgi?id=1493435 Issue Tracking  Third Party Advisory 
https://github.com/torvalds/linux/commit/37863c43b2c6464f252862bf2e9768264e961678 Patch  Vendor Advisory 
https://lkml.org/lkml/2017/9/18/764 Mailing List  Third Party Advisory 
https://usn.ubuntu.com/3583-1/
https://usn.ubuntu.com/3583-2/

Weakness Enumeration

CWE-ID CWE Name Source
CWE-476 NULL Pointer Dereference cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-12192
NVD Published Date:
10/11/2017
NVD Last Modified:
03/15/2018
Source:
Red Hat, Inc.