CVE-2021-47074 - Vulnerability Details - OpenCVE

In the Linux kernel, the following vulnerability has been resolved: nvme-loop: fix memory leak in nvme_loop_create_ctrl() When creating loop ctrl in nvme_loop_create_ctrl(), if nvme_init_ctrl() fails, the loop ctrl should be freed before jumping to the "out" label.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

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.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Linux	Linux Kernel

Configuration 1 [-]

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:5.13:rc1::::::
	cpe:2.3:o:linux:linux_kernel:5.13:rc2::::::

No data.

References

Link	Providers
https://git.kernel.org/stable/c/03504e3b54cc8118cc26c064e60a0b00c2308708
https://git.kernel.org/stable/c/551ba08d4b7eb26f75758cdb9f15105b276517ad
https://git.kernel.org/stable/c/9c980795ccd77e8abec33dd6fe28dfe1c4083e65
https://lore.kernel.org/linux-cve-announce/2024030142-CVE-2021-47074-46a7@gregkh/T/#u
https://nvd.nist.gov/vuln/detail/CVE-2021-47074
https://www.cve.org/CVERecord?id=CVE-2021-47074

History

Thu, 12 Dec 2024 15:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Linux Linux linux Kernel
Weaknesses		CWE-401
CPEs		cpe:2.3:o:linux:linux_kernel:::::::: cpe:2.3:o:linux:linux_kernel:5.13:rc1:::::: cpe:2.3:o:linux:linux_kernel:5.13:rc2::::::
Vendors & Products		Linux Linux linux Kernel
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': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}`

Mon, 04 Nov 2024 13:15:00 +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: 2024-03-01T21:15:12.095Z

Updated: 2024-12-19T07:34:46.119Z

Reserved: 2024-02-29T22:33:44.297Z

Link: CVE-2021-47074

Vulnrichment

Updated: 2024-08-04T05:24:39.815Z

NVD

Status : Analyzed

Published: 2024-03-01T22:15:47.113

Modified: 2024-12-12T14:43:36.903

Link: CVE-2021-47074

Redhat

Severity : Low

Publid Date: 2024-03-01T00:00:00Z

Links: CVE-2021-47074 - Bugzilla

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-47074", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-29T22:33:44.297Z", "datePublished": "2024-03-01T21:15:12.095Z", "dateUpdated": "2024-12-19T07:34:46.119Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T07:34:46.119Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-loop: fix memory leak in nvme_loop_create_ctrl()\n\nWhen creating loop ctrl in nvme_loop_create_ctrl(), if nvme_init_ctrl()\nfails, the loop ctrl should be freed before jumping to the \"out\" label."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/nvme/target/loop.c"], "versions": [{"version": "3a85a5de29ea779634ddfd768059e06196687aba", "lessThan": "9c980795ccd77e8abec33dd6fe28dfe1c4083e65", "status": "affected", "versionType": "git"}, {"version": "3a85a5de29ea779634ddfd768059e06196687aba", "lessThan": "551ba08d4b7eb26f75758cdb9f15105b276517ad", "status": "affected", "versionType": "git"}, {"version": "3a85a5de29ea779634ddfd768059e06196687aba", "lessThan": "03504e3b54cc8118cc26c064e60a0b00c2308708", "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/nvme/target/loop.c"], "versions": [{"version": "4.8", "status": "affected"}, {"version": "0", "lessThan": "4.8", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.40", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.12.7", "lessThanOrEqual": "5.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.13", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/9c980795ccd77e8abec33dd6fe28dfe1c4083e65"}, {"url": "https://git.kernel.org/stable/c/551ba08d4b7eb26f75758cdb9f15105b276517ad"}, {"url": "https://git.kernel.org/stable/c/03504e3b54cc8118cc26c064e60a0b00c2308708"}], "title": "nvme-loop: fix memory leak in nvme_loop_create_ctrl()", "x_generator": {"engine": "bippy-5f407fcff5a0"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.815Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/9c980795ccd77e8abec33dd6fe28dfe1c4083e65", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/551ba08d4b7eb26f75758cdb9f15105b276517ad", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/03504e3b54cc8118cc26c064e60a0b00c2308708", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-08-15T19:25:32.658990Z", "id": "CVE-2021-47074", "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": "2024-08-15T19:25:40.122Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/9c980795ccd77e8abec33dd6fe28dfe1c4083e65", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/551ba08d4b7eb26f75758cdb9f15105b276517ad", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/03504e3b54cc8118cc26c064e60a0b00c2308708", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.815Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47074", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-08-15T19:25:32.658990Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-08-15T19:25:37.437Z"}}], "cna": {"title": "nvme-loop: fix memory leak in nvme_loop_create_ctrl()", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3a85a5de29ea779634ddfd768059e06196687aba", "lessThan": "9c980795ccd77e8abec33dd6fe28dfe1c4083e65", "versionType": "git"}, {"status": "affected", "version": "3a85a5de29ea779634ddfd768059e06196687aba", "lessThan": "551ba08d4b7eb26f75758cdb9f15105b276517ad", "versionType": "git"}, {"status": "affected", "version": "3a85a5de29ea779634ddfd768059e06196687aba", "lessThan": "03504e3b54cc8118cc26c064e60a0b00c2308708", "versionType": "git"}], "programFiles": ["drivers/nvme/target/loop.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4.8"}, {"status": "unaffected", "version": "0", "lessThan": "4.8", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.40", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.12.7", "versionType": "semver", "lessThanOrEqual": "5.12.*"}, {"status": "unaffected", "version": "5.13", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/nvme/target/loop.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/9c980795ccd77e8abec33dd6fe28dfe1c4083e65"}, {"url": "https://git.kernel.org/stable/c/551ba08d4b7eb26f75758cdb9f15105b276517ad"}, {"url": "https://git.kernel.org/stable/c/03504e3b54cc8118cc26c064e60a0b00c2308708"}], "x_generator": {"engine": "bippy-5f407fcff5a0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-loop: fix memory leak in nvme_loop_create_ctrl()\n\nWhen creating loop ctrl in nvme_loop_create_ctrl(), if nvme_init_ctrl()\nfails, the loop ctrl should be freed before jumping to the \"out\" label."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T07:34:46.119Z"}}}, "cveMetadata": {"cveId": "CVE-2021-47074", "state": "PUBLISHED", "dateUpdated": "2024-12-19T07:34:46.119Z", "dateReserved": "2024-02-29T22:33:44.297Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-03-01T21:15:12.095Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "F63B848B-094A-4190-B459-A059A6701D88", "versionEndExcluding": "5.10.40", "versionStartIncluding": "4.8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E8F2CE30-38B0-4716-B12B-A139B0F9C5C9", "versionEndExcluding": "5.12.7", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*", "matchCriteriaId": "0CBAD0FC-C281-4666-AB2F-F8E6E1165DF7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*", "matchCriteriaId": "96AC23B2-D46A-49D9-8203-8E1BEDCA8532", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-loop: fix memory leak in nvme_loop_create_ctrl()\n\nWhen creating loop ctrl in nvme_loop_create_ctrl(), if nvme_init_ctrl()\nfails, the loop ctrl should be freed before jumping to the \"out\" label."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: nvme-loop: corrige la p\u00e9rdida de memoria en nvme_loop_create_ctrl() Al crear el control del bucle en nvme_loop_create_ctrl(), si nvme_init_ctrl() falla, el control del bucle debe liberarse antes de saltar al \"out\" \" etiqueta."}], "id": "CVE-2021-47074", "lastModified": "2024-12-12T14:43:36.903", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-03-01T22:15:47.113", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/03504e3b54cc8118cc26c064e60a0b00c2308708"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/551ba08d4b7eb26f75758cdb9f15105b276517ad"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9c980795ccd77e8abec33dd6fe28dfe1c4083e65"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/03504e3b54cc8118cc26c064e60a0b00c2308708"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/551ba08d4b7eb26f75758cdb9f15105b276517ad"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9c980795ccd77e8abec33dd6fe28dfe1c4083e65"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}