PT-2024-11193 · Linux+2 · Linux Kernel+2

Jingwen Chen · Published 2021-05-19 · Updated 2024-12-17 · CVE-2021-47144

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A refcount leak has been resolved in the Linux kernel, specifically in the drm/amd/amdgpu module. The issue occurs because the gem object rfb->base.obj[0] is retrieved according to num planes in amdgpufb create, but not released according to num planes. To fix this, the object is released in amdgpu fbdev destroy according to num planes.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-402

Related Identifiers

BDU:2025-07355

CVE-2021-47144

OESA-2024-1483

OESA-2024-1484

OPENSUSE-SU-2024_1489-1

SUSE-SU-2024:1454-1

SUSE-SU-2024:1465-1

SUSE-SU-2024:1489-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 398

• https://nvd.nist.gov/vuln/detail/CVE-2021-47143 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-47142 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-47144 · Security Note
• https://git.kernel.org/stable/c/599e5d61ace952b0bb9bd942b198bbd0cfded1d7 · Patch
• https://git.kernel.org/stable/c/dde2656e0bbb2ac7d83a7bd95a8d5c3c95bbc009 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-52578 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-36783 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-52475 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-47145 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-47167 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-47161 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-47163 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2024:1454-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-52510 · Security Note
• https://bdu.fstec.ru/vul/2025-07355 · Security Note