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LIN1021-9523 : Security Advisory - linux - CVE-2021-47489

Created: May 22, 2024    Updated: Apr 27, 2025
Resolved Date: Apr 21, 2025
Found In Version: 10.21.20.1
Fix Version: 10.21.20.12
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: Kernel

Description

In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu: Fix even more out of bound writes from debugfs

CVE-2021-42327 was fixed by:

commit f23750b5b3d98653b31d4469592935ef6364ad67
Author: Thelford Williams <tdwilliamsiv@gmail.com>
Date:   Wed Oct 13 16:04:13 2021 -0400

    drm/amdgpu: fix out of bounds write

but amdgpu_dm_debugfs.c contains more of the same issue so fix the
remaining ones.

v2:
        * Add missing fix in dp_max_bpc_write (Harry Wentland)

CREATE(Triage):(User=admin) CVE-2021-47489 (https://nvd.nist.gov/vuln/detail/CVE-2021-47489)

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