CVE-2018-20669

HIGH

Linux Kernel < 4.14.185 - Memory Corruption via i915_gem_execbuffer2_ioctl

Title source: llm
STIX 2.1

Description

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.

References (8)

Core 8
Core References
Broken Link, Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/106748
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.html
Exploit, Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2019/01/23/6
Third Party Advisory x_refsource_misc
https://access.redhat.com/security/cve/cve-2018-20669
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20190404-0002/
Third Party Advisory x_refsource_confirm
https://support.f5.com/csp/article/K32059550
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4485-1/

Scores

CVSS v3 7.8
EPSS 0.0008
EPSS Percentile 23.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-20
Status published
Products (8)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
linux/linux_kernel 4.13 - 4.14.185
netapp/cn1610_firmware
netapp/hci_management_node
netapp/snapprotect
netapp/solidfire
Published Mar 21, 2019
Tracked Since Feb 18, 2026