National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-9242 Detail

Current Description

The __ip6_append_data function in net/ipv6/ip6_output.c in the Linux kernel through 4.11.3 is too late in checking whether an overwrite of an skb data structure may occur, which allows local users to cause a denial of service (system crash) via crafted system calls.

Source:  MITRE      Last Modified:  05/26/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-9242
Original release date:
05/26/2017
Last revised:
01/04/2018
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=232cd35d0804cc241eb887bb8d4d9b3b9881c64a Issue Tracking; Patch; Third Party Advisory External Source CONFIRM http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=232cd35d0804cc241eb887bb8d4d9b3b9881c64a
http://www.debian.org/security/2017/dsa-3886 External Source DEBIAN DSA-3886
http://www.securityfocus.com/bid/98731 Third Party Advisory; VDB Entry External Source BID 98731
https://access.redhat.com/errata/RHSA-2017:1842 External Source REDHAT RHSA-2017:1842
https://access.redhat.com/errata/RHSA-2017:2077 External Source REDHAT RHSA-2017:2077
https://github.com/torvalds/linux/commit/232cd35d0804cc241eb887bb8d4d9b3b9881c64a Issue Tracking; Patch; Third Party Advisory External Source CONFIRM https://github.com/torvalds/linux/commit/232cd35d0804cc241eb887bb8d4d9b3b9881c64a
https://patchwork.ozlabs.org/patch/764880/ Broken Link External Source CONFIRM https://patchwork.ozlabs.org/patch/764880/

Technical Details

Vulnerability Type (View All)

Change History 4 change records found - show changes