What is CVE-2018-20669?

CVE-2018-20669 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Improper Input Validation flaw (CWE-20). CVE-2018-20669 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2018-20669?

CVE-2018-20669 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2018-20669?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2018-20669 patch availability.

Is CVE-2018-20669 actively exploited?

CVE-2018-20669 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2018-20669

High

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.

Package Linux Kernel

Published 2019-03-21

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-20

CVE-2018-20669 is a Improper Input Validation vulnerability

What is Improper Input Validation?

The product receives input but does not validate it correctly, allowing attackers to craft inputs that cause unexpected behavior. Learn more on MITRE CWE

References

8 total

Openwall
http://www.openwall.com/lists/oss-security/2019/01/23/6

Exploit Mailing List Patch Third Party Advisory
Kernel Git
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/log/drivers/gpu/drm/i915/i915_gem_execbuffer.c

Release Notes Vendor Advisory
Lists
http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.html

Mailing List Third Party Advisory
Securityfocus
http://www.securityfocus.com/bid/106748

Broken Link Third Party Advisory VDB Entry
Red Hat
https://access.redhat.com/security/cve/cve-2018-20669

Third Party Advisory

Showing 5 of 8 references View all on NVD

Details

CVE ID CVE-2018-20669

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2019-03-21

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2018-20669?

CVE-2018-20669 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Improper Input Validation flaw (CWE-20) . CVE-2018-20669 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2018-20669?

CVE-2018-20669 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2018-20669?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2018-20669 patch availability.
Is CVE-2018-20669 actively exploited?

No. CVE-2018-20669 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.