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CVE-2017-12192 Detail

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.


Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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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

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Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-12192
NVD Published Date:
10/11/2017
NVD Last Modified:
02/12/2023
Source:
Red Hat, Inc.