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Vulnerability Details : CVE-2018-20669

An issue where a provided address with access_ok() is not checked was discovered in i915_gem_execbuffer2_ioctl in drivers/gpu/drm/i915/i915_gem_execbuffer.c in the Linux kernel through 4.19.13. A local attacker can craft a malicious IOCTL function call to overwrite arbitrary kernel memory, resulting in a Denial of Service or privilege escalation.
Publish Date : 2019-03-21 Last Update Date : 2019-04-04
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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) Denial Of Service
CWE ID 20

- Products Affected By CVE-2018-20669

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 4.19.13 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 1

- References For CVE-2018-20669

https://security.netapp.com/advisory/ntap-20190404-0002/ CONFIRM
http://www.securityfocus.com/bid/106748
BID 106748 Linux Kernel CVE-2018-20669 Local Privilege Escalation Vulnerability Release Date:2019-01-23
https://access.redhat.com/security/cve/cve-2018-20669
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/log/drivers/gpu/drm/i915/i915_gem_execbuffer.c
http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.html
MLIST [opensuse-security-announce] 20190218 [security-announce] openSUSE-SU-2019:0203-1: important: Security update for the Linux Kernel
http://www.openwall.com/lists/oss-security/2019/01/23/6
MLIST [oss-security] 20190123 Linux Kernel: Missing access_ok() checks in IOCTL function (gpu/drm/i915 Driver)

- Metasploit Modules Related To CVE-2018-20669

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


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