National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-14954 Detail

Current Description

The waitid implementation in kernel/exit.c in the Linux kernel through 4.13.4 accesses rusage data structures in unintended cases, which allows local users to obtain sensitive information, and bypass the KASLR protection mechanism, via a crafted system call.

Source:  MITRE      Last Modified:  10/01/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-14954
Original release date:
10/01/2017
Last revised:
10/06/2017
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:H/I:N/A:N (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):
High
Integrity (I):
None
Availability (A):
None
CVSS Severity (version 2.0):
CVSS v2 Base Score:
2.1 LOW
Vector:
(AV:L/AC:L/Au:N/C:P/I:N/A:N) (legend)
Impact Subscore:
2.9
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

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=6c85501f2fabcfc4fc6ed976543d252c4eaf4be9 Issue Tracking; Patch; Third Party Advisory External Source MISC http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6c85501f2fabcfc4fc6ed976543d252c4eaf4be9
https://github.com/torvalds/linux/commit/6c85501f2fabcfc4fc6ed976543d252c4eaf4be9 Issue Tracking; Patch; Third Party Advisory External Source MISC https://github.com/torvalds/linux/commit/6c85501f2fabcfc4fc6ed976543d252c4eaf4be9
https://grsecurity.net/~spender/exploits/wait_for_kaslr_to_be_effective.c Third Party Advisory External Source MISC https://grsecurity.net/~spender/exploits/wait_for_kaslr_to_be_effective.c
https://twitter.com/_argp/status/914021130712870912 Third Party Advisory External Source MISC https://twitter.com/_argp/status/914021130712870912
https://twitter.com/grsecurity/status/914079864478666753 Third Party Advisory External Source MISC https://twitter.com/grsecurity/status/914079864478666753

Technical Details

Vulnerability Type (View All)

  • Information Leak / Disclosure (CWE-200)

Change History 1 change record found - show changes