CVE-2021-47431 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00033.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Linux	Linux Kernel

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products
Linux	Linux Kernel

References

Link	Providers
https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03
https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9
https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f
https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95
https://lore.kernel.org/linux-cve-announce/2024052158-CVE-2021-47431-ff0c@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2021-47431
https://www.cve.org/CVERecord?id=CVE-2021-47431

History

Mon, 04 Nov 2024 12:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2024-05-21T15:04:16.014Z

Updated: 2025-05-04T07:10:45.529Z

Reserved: 2024-05-21T14:58:30.829Z

Link: CVE-2021-47431

Vulnrichment

Updated: 2024-08-04T05:39:59.335Z

NVD

Status : Awaiting Analysis

Published: 2024-05-21T15:15:28.487

Modified: 2024-11-21T06:36:07.763

Link: CVE-2021-47431

Redhat

Severity : Low

Publid Date: 2024-05-21T00:00:00Z

Links: CVE-2021-47431 - Bugzilla

OpenCVE Enrichment

Updated: 2025-07-12T22:31:25Z

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-47431", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-21T14:58:30.829Z", "datePublished": "2024-05-21T15:04:16.014Z", "dateUpdated": "2025-05-04T07:10:45.529Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:10:45.529Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix gart.bo pin_count leak\n\ngmc_v{9,10}_0_gart_disable() isn't called matched with\ncorrespoding gart_enbale function in SRIOV case. This will\nlead to gart.bo pin_count leak on driver unload."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c", "drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "83d857d6b0967b6709cd38750c3ce2ed8ced1a95", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "621ddffb70db824eabd63d18ac635180fe9500f9", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "18d1c5ea3798ba42cfa0f8b2264d873463facb03", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "66805763a97f8f7bdf742fc0851d85c02ed9411f", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c", "drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c"], "versions": [{"version": "5.4.154", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.74", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.14.13", "lessThanOrEqual": "5.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.4.154"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.10.74"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.14.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.15"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95"}, {"url": "https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9"}, {"url": "https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03"}, {"url": "https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f"}], "title": "drm/amdgpu: fix gart.bo pin_count leak", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-06-17T17:37:14.662615Z", "id": "CVE-2021-47431", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-17T17:37:56.536Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:39:59.335Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:39:59.335Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47431", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-06-17T17:37:14.662615Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-17T17:37:15.605Z"}}], "cna": {"title": "drm/amdgpu: fix gart.bo pin_count leak", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "83d857d6b0967b6709cd38750c3ce2ed8ced1a95", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "621ddffb70db824eabd63d18ac635180fe9500f9", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "18d1c5ea3798ba42cfa0f8b2264d873463facb03", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "66805763a97f8f7bdf742fc0851d85c02ed9411f", "versionType": "git"}], "programFiles": ["drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c", "drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "unaffected", "version": "5.4.154", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.74", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.14.13", "versionType": "semver", "lessThanOrEqual": "5.14.*"}, {"status": "unaffected", "version": "5.15", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c", "drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95"}, {"url": "https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9"}, {"url": "https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03"}, {"url": "https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix gart.bo pin_count leak\n\ngmc_v{9,10}_0_gart_disable() isn't called matched with\ncorrespoding gart_enbale function in SRIOV case. This will\nlead to gart.bo pin_count leak on driver unload."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.154"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.74"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.14.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:10:45.529Z"}}}, "cveMetadata": {"cveId": "CVE-2021-47431", "state": "PUBLISHED", "dateUpdated": "2025-05-04T07:10:45.529Z", "dateReserved": "2024-05-21T14:58:30.829Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-05-21T15:04:16.014Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}