vulnerability

Red Hat: CVE-2018-20669: kernel: missing access_ok() checks in i915_gem_execbuffer2_ioctl() results in priviledge escalation

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Mar 21, 2019
Added
Jul 9, 2025
Modified
Jul 9, 2025

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.

Solution

no-fix-redhat-rpm-package
Title
NEW

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