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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T12:05:17.668Z

Reserved: 2019-01-03T00:00:00

Link: CVE-2018-20669

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-03-21T16:00:37.327

Modified: 2024-11-21T04:01:57.657

Link: CVE-2018-20669

cve-icon Redhat

Severity : Important

Publid Date: 2019-01-04T00:00:00Z

Links: CVE-2018-20669 - Bugzilla