CVE-2021-47147 - Vulnerability Details - OpenCVE

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

ptp: ocp: Fix a resource leak in an error handling path

If an error occurs after a successful 'pci_ioremap_bar()' call, it must be
undone by a corresponding 'pci_iounmap()' call, as already done in the
remove function.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00018.

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

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://git.kernel.org/stable/c/0e38e702f1152479e6afac34f151dbfd99417f99
https://git.kernel.org/stable/c/9c1bb37f8cad5e2ee1933fa1da9a6baa7876a8e4
https://lore.kernel.org/linux-cve-announce/2024032559-CVE-2021-47147-e4bc@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2021-47147
https://www.cve.org/CVERecord?id=CVE-2021-47147

History

Thu, 31 Oct 2024 15:15:00 +0000

Type	Values Removed	Values Added
Metrics	cvssV3_1 `{'score': 4.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N'}`	cvssV3_1 `{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}`

MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2024-03-25T09:07:43.750Z

Updated: 2025-05-04T07:05:03.078Z

Reserved: 2024-03-04T18:12:48.845Z

Link: CVE-2021-47147

Vulnrichment

Updated: 2024-08-04T05:24:39.942Z

NVD

Status : Awaiting Analysis

Published: 2024-03-25T09:15:09.100

Modified: 2024-11-21T06:35:29.547

Link: CVE-2021-47147

Redhat

Severity : Low

Publid Date: 2024-03-25T00:00:00Z

Links: CVE-2021-47147 - Bugzilla

OpenCVE Enrichment

Updated: 2025-07-13T11:31:21Z

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-47147", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-03-04T18:12:48.845Z", "datePublished": "2024-03-25T09:07:43.750Z", "dateUpdated": "2025-05-04T07:05:03.078Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:05:03.078Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nptp: ocp: Fix a resource leak in an error handling path\n\nIf an error occurs after a successful 'pci_ioremap_bar()' call, it must be\nundone by a corresponding 'pci_iounmap()' call, as already done in the\nremove function."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/ptp/ptp_ocp.c"], "versions": [{"version": "a7e1abad13f3f0366ee625831fecda2b603cdc17", "lessThan": "0e38e702f1152479e6afac34f151dbfd99417f99", "status": "affected", "versionType": "git"}, {"version": "a7e1abad13f3f0366ee625831fecda2b603cdc17", "lessThan": "9c1bb37f8cad5e2ee1933fa1da9a6baa7876a8e4", "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/ptp/ptp_ocp.c"], "versions": [{"version": "5.11", "status": "affected"}, {"version": "0", "lessThan": "5.11", "status": "unaffected", "versionType": "semver"}, {"version": "5.12.9", "lessThanOrEqual": "5.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.13", "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:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "5.12.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "5.13"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0e38e702f1152479e6afac34f151dbfd99417f99"}, {"url": "https://git.kernel.org/stable/c/9c1bb37f8cad5e2ee1933fa1da9a6baa7876a8e4"}], "title": "ptp: ocp: Fix a resource leak in an error handling path", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-noinfo Not enough information"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.2, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2024-03-25T17:17:52.408774Z", "id": "CVE-2021-47147", "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": "2024-10-31T14:26:17.617Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.942Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/0e38e702f1152479e6afac34f151dbfd99417f99", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/9c1bb37f8cad5e2ee1933fa1da9a6baa7876a8e4", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/0e38e702f1152479e6afac34f151dbfd99417f99", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/9c1bb37f8cad5e2ee1933fa1da9a6baa7876a8e4", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.942Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.2, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2021-47147", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-03-25T17:17:52.408774Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "description": "CWE-noinfo Not enough information"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-23T19:01:19.442Z"}}], "cna": {"title": "ptp: ocp: Fix a resource leak in an error handling path", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "a7e1abad13f3f0366ee625831fecda2b603cdc17", "lessThan": "0e38e702f1152479e6afac34f151dbfd99417f99", "versionType": "git"}, {"status": "affected", "version": "a7e1abad13f3f0366ee625831fecda2b603cdc17", "lessThan": "9c1bb37f8cad5e2ee1933fa1da9a6baa7876a8e4", "versionType": "git"}], "programFiles": ["drivers/ptp/ptp_ocp.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.11"}, {"status": "unaffected", "version": "0", "lessThan": "5.11", "versionType": "semver"}, {"status": "unaffected", "version": "5.12.9", "versionType": "semver", "lessThanOrEqual": "5.12.*"}, {"status": "unaffected", "version": "5.13", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/ptp/ptp_ocp.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/0e38e702f1152479e6afac34f151dbfd99417f99"}, {"url": "https://git.kernel.org/stable/c/9c1bb37f8cad5e2ee1933fa1da9a6baa7876a8e4"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nptp: ocp: Fix a resource leak in an error handling path\n\nIf an error occurs after a successful 'pci_ioremap_bar()' call, it must be\nundone by a corresponding 'pci_iounmap()' call, as already done in the\nremove function."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.12.9", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.13", "versionStartIncluding": "5.11"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:05:03.078Z"}}}, "cveMetadata": {"cveId": "CVE-2021-47147", "state": "PUBLISHED", "dateUpdated": "2025-05-04T07:05:03.078Z", "dateReserved": "2024-03-04T18:12:48.845Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-03-25T09:07:43.750Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}