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CVE-2017-7889 Detail

Description

The mm subsystem in the Linux kernel through 3.2 does not properly enforce the CONFIG_STRICT_DEVMEM protection mechanism, which allows local users to read or write to kernel memory locations in the first megabyte (and bypass slab-allocation access restrictions) via an application that opens the /dev/mem file, related to arch/x86/mm/init.c and drivers/char/mem.c.


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://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a4866aa812518ed1a37d8ea0c881dc946409de94 Issue Tracking  Patch  Third Party Advisory 
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a4866aa812518ed1a37d8ea0c881dc946409de94 Issue Tracking  Patch  Third Party Advisory 
http://www.debian.org/security/2017/dsa-3945 Third Party Advisory 
http://www.debian.org/security/2017/dsa-3945 Third Party Advisory 
http://www.openwall.com/lists/oss-security/2017/04/16/4 Mailing List  Patch  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2017/04/16/4 Mailing List  Patch  Third Party Advisory 
http://www.securityfocus.com/bid/97690 Third Party Advisory  VDB Entry 
http://www.securityfocus.com/bid/97690 Third Party Advisory  VDB Entry 
https://access.redhat.com/errata/RHSA-2017:1842 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:1842 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:2077 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:2077 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:2669 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:2669 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:1854 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2018:1854 Third Party Advisory 
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b8f254aa17f720053054c4ecff3920973a83b9d6 Third Party Advisory 
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b8f254aa17f720053054c4ecff3920973a83b9d6 Third Party Advisory 
https://github.com/torvalds/linux/commit/a4866aa812518ed1a37d8ea0c881dc946409de94 Issue Tracking  Patch  Third Party Advisory 
https://github.com/torvalds/linux/commit/a4866aa812518ed1a37d8ea0c881dc946409de94 Issue Tracking  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
CWE-732 Incorrect Permission Assignment for Critical Resource cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

12 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-7889
NVD Published Date:
04/16/2017
NVD Last Modified:
11/20/2024
Source:
MITRE