National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-15274 Detail

Current Description

security/keys/keyctl.c in the Linux kernel before 4.11.5 does not consider the case of a NULL payload in conjunction with a nonzero length value, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a crafted add_key or keyctl system call, a different vulnerability than CVE-2017-12192.

Source:  MITRE      Last Modified:  10/11/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-15274
Original release date:
10/11/2017
Last revised:
11/03/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 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 (legend)
Impact Score:
3.6
Exploitability Score:
1.8
CVSS Version 3 Metrics:
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 Severity (version 2.0):
CVSS v2 Base Score:
4.9 MEDIUM
Vector:
(AV:L/AC:L/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore:
6.9
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5649645d725c73df4302428ee4e02c869248b4c5 Issue Tracking; Patch; Third Party Advisory External Source CONFIRM http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5649645d725c73df4302428ee4e02c869248b4c5
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.5 Release Notes; Vendor Advisory External Source CONFIRM http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.5
http://www.securityfocus.com/bid/101292 Third Party Advisory; VDB Entry External Source BID 101292
https://bugzilla.suse.com/show_bug.cgi?id=1045327 Issue Tracking; Third Party Advisory External Source CONFIRM https://bugzilla.suse.com/show_bug.cgi?id=1045327
https://github.com/torvalds/linux/commit/5649645d725c73df4302428ee4e02c869248b4c5 Issue Tracking; Patch; Third Party Advisory External Source CONFIRM https://github.com/torvalds/linux/commit/5649645d725c73df4302428ee4e02c869248b4c5
https://patchwork.kernel.org/patch/9781573/ Issue Tracking; Patch; Vendor Advisory External Source CONFIRM https://patchwork.kernel.org/patch/9781573/

Technical Details

Vulnerability Type (View All)

  • NULL Pointer Dereference (CWE-476)

Change History 2 change records found - show changes