National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-16995 Detail

Current Description

The check_alu_op function in kernel/bpf/verifier.c in the Linux kernel through 4.14.8 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging incorrect sign extension.

Source:  MITRE      Last Modified:  12/22/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-16995
Original release date:
12/27/2017
Last revised:
01/12/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
7.8 High
Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (legend)
Impact Score:
5.9
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):
High
Integrity (I):
High
Availability (A):
High
CVSS Severity (version 2.0):
CVSS v2 Base Score:
7.2 HIGH
Vector:
(AV:L/AC:L/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore:
10.0
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows unauthorized modification; 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=95a762e2c8c942780948091f8f2a4f32fce1ac6f Vendor Advisory External Source MISC http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=95a762e2c8c942780948091f8f2a4f32fce1ac6f
http://openwall.com/lists/oss-security/2017/12/21/2 Mailing List External Source MISC http://openwall.com/lists/oss-security/2017/12/21/2
http://www.securityfocus.com/bid/102288 Third Party Advisory; VDB Entry External Source BID 102288
https://bugs.chromium.org/p/project-zero/issues/detail?id=1454 Third Party Advisory External Source MISC https://bugs.chromium.org/p/project-zero/issues/detail?id=1454
https://github.com/torvalds/linux/commit/95a762e2c8c942780948091f8f2a4f32fce1ac6f Third Party Advisory External Source MISC https://github.com/torvalds/linux/commit/95a762e2c8c942780948091f8f2a4f32fce1ac6f
https://usn.ubuntu.com/usn/usn-3523-2/ External Source UBUNTU USN-3523-2
https://www.debian.org/security/2017/dsa-4073 Third Party Advisory External Source DEBIAN DSA-4073

Technical Details

Vulnerability Type (View All)

Change History 3 change records found - show changes