National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2017-15299 Detail

Current Description

The KEYS subsystem in the Linux kernel through 4.13.7 mishandles use of add_key for a key that already exists but is uninstantiated, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted system call.

Source:  MITRE
Description Last Modified:  10/14/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 1.8

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 4.9 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://access.redhat.com/errata/RHSA-2018:0654
https://bugzilla.redhat.com/show_bug.cgi?id=1498016 Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
https://marc.info/?t=150654188100001&r=1&w=2 Issue Tracking Patch Third Party Advisory
https://marc.info/?t=150783958600011&r=1&w=2 Issue Tracking Patch Third Party Advisory
https://usn.ubuntu.com/3798-1/
https://usn.ubuntu.com/3798-2/
https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1499828.html Exploit Issue Tracking Mailing List Patch Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • NULL Pointer Dereference (CWE-476)

Change History

6 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-15299
NVD Published Date:
10/14/2017
NVD Last Modified:
10/30/2018