Vulnerability DatabaseCVE-2018-20669
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CVE-2018-20669
Published:March 18, 2019
Updated:May 17, 2026
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.
Related Resources (9)
https://security.netapp.com/advisory/ntap-20190404-0002/
https://usn.ubuntu.com/4485-1/
http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.html
http://www.openwall.com/lists/oss-security/2019/01/23/6
http://www.securityfocus.com/bid/106748
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/log/drivers/gpu/drm/i915/i915_gem_execbuffer.c
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-20669
https://support.f5.com/csp/article/K32059550
https://access.redhat.com/security/cve/cve-2018-20669
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CVSS v4
Base Score:
8.5
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Input Validation
CWE-20
EPSS
Base Score:
0.08