CVE-2021-47431
Detail
Description
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: fix gart.bo pin_count leak
gmc_v{9,10}_0_gart_disable() isn't called matched with
correspoding gart_enbale function in SRIOV case. This will
lead to gart.bo pin_count leak on driver unload.
Metrics
CVSS Version 4.0
CVSS Version 3.x
CVSS Version 2.0
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NVD assessment
not yet provided.
CVSS 3.x Severity and Vector Strings:
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 Severity and Vector Strings:
NVD assessment
not yet provided.
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Weakness Enumeration
CWE-ID
CWE Name
Source
NVD-CWE-Other
Other
NIST
Change History
7 change records found show changes
CVE Modified by kernel.org
8/10/2026 11:17:20 PM
Action
Type
Old Value
New Value
Changed
Affected
[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c","drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"d38ceaf99ed015f2a0b9af3499791bd3a3daae21","lessThan":"83d857d6b0967b6709cd38750c3ce2ed8ced1a95","versionType":"git","status":"affected"},{"version":"d38ceaf99ed015f2a0b9af3499791bd3a3daae21","lessThan":"621ddffb70db824eabd63d18ac635180fe9500f9","versionType":"git","status":"affected"},{"version":"d38ceaf99ed015f2a0b9af3499791bd3a3daae21","lessThan":"18d1c5ea3798ba42cfa0f8b2264d873463facb03","versionType":"git","status":"affected"},{"version":"d38ceaf99ed015f2a0b9af3499791bd3a3daae21","lessThan":"66805763a97f8f7bdf742fc0851d85c02ed9411f","versionType":"git","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c","drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"4.2","status":"affected"},{"version":"0","lessThan":"4.2","versionType":"semver","status":"unaffected"},{"version":"5.4.154","lessThanOrEqual":"5.4.*","versionType":"semver","status":"unaffected"},{"version":"5.10.74","lessThanOrEqual":"5.10.*","versionType":"semver","status":"unaffected"},{"version":"5.14.13","lessThanOrEqual":"5.14.*","versionType":"semver","status":"unaffected"},{"version":"5.15","lessThanOrEqual":"*","versionType":"original_commit_for_fix","status":"unaffected"}]}]
[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c","drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"5dd696ae5d648b412a29b314c50e5dcf65829b9d","lessThan":"83d857d6b0967b6709cd38750c3ce2ed8ced1a95","versionType":"git","status":"affected"},{"version":"5dd696ae5d648b412a29b314c50e5dcf65829b9d","lessThan":"621ddffb70db824eabd63d18ac635180fe9500f9","versionType":"git","status":"affected"},{"version":"5dd696ae5d648b412a29b314c50e5dcf65829b9d","lessThan":"18d1c5ea3798ba42cfa0f8b2264d873463facb03","versionType":"git","status":"affected"},{"version":"5dd696ae5d648b412a29b314c50e5dcf65829b9d","lessThan":"66805763a97f8f7bdf742fc0851d85c02ed9411f","versionType":"git","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c","drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"4.13","status":"affected"},{"version":"0","lessThan":"4.13","versionType":"semver","status":"unaffected"},{"version":"5.4.154","lessThanOrEqual":"5.4.*","versionType":"semver","status":"unaffected"},{"version":"5.10.74","lessThanOrEqual":"5.10.*","versionType":"semver","status":"unaffected"},{"version":"5.14.13","lessThanOrEqual":"5.14.*","versionType":"semver","status":"unaffected"},{"version":"5.15","lessThanOrEqual":"*","versionType":"original_commit_for_fix","status":"unaffected"}]}]
CVE Modified by CISA-ADP
6/17/2026 12:17:27 AM
Action
Type
Old Value
New Value
Added
SSVC
{"timestamp":"2024-06-17T17:37:14.662615Z","id":"CVE-2021-47431","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}
CVE Modified by kernel.org
6/17/2026 12:17:27 AM
Action
Type
Old Value
New Value
Added
Affected
[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c","drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"d38ceaf99ed015f2a0b9af3499791bd3a3daae21","lessThan":"83d857d6b0967b6709cd38750c3ce2ed8ced1a95","versionType":"git","status":"affected"},{"version":"d38ceaf99ed015f2a0b9af3499791bd3a3daae21","lessThan":"621ddffb70db824eabd63d18ac635180fe9500f9","versionType":"git","status":"affected"},{"version":"d38ceaf99ed015f2a0b9af3499791bd3a3daae21","lessThan":"18d1c5ea3798ba42cfa0f8b2264d873463facb03","versionType":"git","status":"affected"},{"version":"d38ceaf99ed015f2a0b9af3499791bd3a3daae21","lessThan":"66805763a97f8f7bdf742fc0851d85c02ed9411f","versionType":"git","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c","drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"4.2","status":"affected"},{"version":"0","lessThan":"4.2","versionType":"semver","status":"unaffected"},{"version":"5.4.154","lessThanOrEqual":"5.4.*","versionType":"semver","status":"unaffected"},{"version":"5.10.74","lessThanOrEqual":"5.10.*","versionType":"semver","status":"unaffected"},{"version":"5.14.13","lessThanOrEqual":"5.14.*","versionType":"semver","status":"unaffected"},{"version":"5.15","lessThanOrEqual":"*","versionType":"original_commit_for_fix","status":"unaffected"}]}]
Initial Analysis by NIST
9/23/2025 4:25:23 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Added
CWE
NVD-CWE-Other
Added
CPE Configuration
OR
*cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.2 up to (excluding) 5.4.154
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.14.13
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.74
Added
Reference Type
CVE: https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03 Types: Patch
Added
Reference Type
CVE: https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9 Types: Patch
Added
Reference Type
CVE: https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f Types: Patch
Added
Reference Type
CVE: https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95 Types: Patch
Added
Reference Type
kernel.org: https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03 Types: Patch
Added
Reference Type
kernel.org: https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9 Types: Patch
Added
Reference Type
kernel.org: https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f Types: Patch
Added
Reference Type
kernel.org: https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95 Types: Patch
CVE Modified by CVE
11/21/2024 1:36:07 AM
Action
Type
Old Value
New Value
Added
Reference
https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03
Added
Reference
https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9
Added
Reference
https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f
Added
Reference
https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95
CVE Modified by kernel.org
5/28/2024 4:16:03 PM
Action
Type
Old Value
New Value
New CVE Received from kernel.org
5/21/2024 11:15:28 AM
Action
Type
Old Value
New Value
Added
Description
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: fix gart.bo pin_count leak
gmc_v{9,10}_0_gart_disable() isn't called matched with
correspoding gart_enbale function in SRIOV case. This will
lead to gart.bo pin_count leak on driver unload.
Added
Reference
kernel.org https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03 [No types assigned]
Added
Reference
kernel.org https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9 [No types assigned]
Added
Reference
kernel.org https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f [No types assigned]
Added
Reference
kernel.org https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95 [No types assigned]
Quick Info
CVE Dictionary Entry: CVE-2021-47431 NVD
Published Date: 05/21/2024 NVD
Last Modified: 08/10/2026
Source: kernel.org
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