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CVE-2017-5669 Detail

Description

The do_shmat function in ipc/shm.c in the Linux kernel through 4.9.12 does not restrict the address calculated by a certain rounding operation, which allows local users to map page zero, and consequently bypass a protection mechanism that exists for the mmap system call, by making crafted shmget and shmat system calls in a privileged context.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.debian.org/security/2017/dsa-3804 Third Party Advisory 
http://www.debian.org/security/2017/dsa-3804 Third Party Advisory 
http://www.securityfocus.com/bid/96754 Third Party Advisory  VDB Entry 
http://www.securityfocus.com/bid/96754 Third Party Advisory  VDB Entry 
http://www.securitytracker.com/id/1037918 Third Party Advisory  VDB Entry 
http://www.securitytracker.com/id/1037918 Third Party Advisory  VDB Entry 
https://bugzilla.kernel.org/show_bug.cgi?id=192931 Issue Tracking  Patch  Vendor Advisory 
https://bugzilla.kernel.org/show_bug.cgi?id=192931 Issue Tracking  Patch  Vendor Advisory 
https://github.com/torvalds/linux/commit/95e91b831f87ac8e1f8ed50c14d709089b4e01b8 Patch  Third Party Advisory 
https://github.com/torvalds/linux/commit/95e91b831f87ac8e1f8ed50c14d709089b4e01b8 Patch  Third Party Advisory 
https://github.com/torvalds/linux/commit/e1d35d4dc7f089e6c9c080d556feedf9c706f0c7 Patch  Third Party Advisory 
https://github.com/torvalds/linux/commit/e1d35d4dc7f089e6c9c080d556feedf9c706f0c7 Patch  Third Party Advisory 
https://usn.ubuntu.com/3583-1/ Third Party Advisory 
https://usn.ubuntu.com/3583-1/ Third Party Advisory 
https://usn.ubuntu.com/3583-2/ Third Party Advisory 
https://usn.ubuntu.com/3583-2/ Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

10 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-5669
NVD Published Date:
02/24/2017
NVD Last Modified:
11/20/2024
Source:
MITRE