CVE-2021-47200

kernel: drm/prime: Fix use after free in mmap with drm_gem_ttm_mmap

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Severity

Moderate

Red Hat Product Security

6.7

CVSS 3.1

Review impact separately from score.

Published · April 10, 2024

Updated · August 5, 2026

Description

A use after free law was found in drivers/gpu/drm/drm_prime.c in the Linux kernel, occuring in mmap with drm_gem_ttm_mmap.

Statement

Red Hat Enterprise Linux 8 and 9 are not affected by this vulnerability.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.7
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CWE-416 · Use After Free