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Vulnerability Details : CVE-2017-7889

The mm subsystem in the Linux kernel through 4.10.10 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.
Publish Date : 2017-04-16 Last Update Date : 2017-04-21
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- CVSS Scores & Vulnerability Types

CVSS Score
7.2
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Bypass a restriction or similar
CWE ID 284

- Products Affected By CVE-2017-7889

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 4.10.10 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 1

- References For CVE-2017-7889

https://github.com/torvalds/linux/commit/a4866aa812518ed1a37d8ea0c881dc946409de94
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a4866aa812518ed1a37d8ea0c881dc946409de94
http://www.securityfocus.com/bid/97690
BID 97690 Linux Kernel CVE-2017-7889 Multiple Local Security Bypass Vulnerabilities Release Date:2017-04-18
http://www.openwall.com/lists/oss-security/2017/04/16/4

- Metasploit Modules Related To CVE-2017-7889

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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