CVE-2021-47052 - Vulnerability Details - OpenCVE

In the Linux kernel, the following vulnerability has been resolved: crypto: sa2ul - Fix memory leak of rxd There are two error return paths that are not freeing rxd and causing memory leaks. Fix these. Addresses-Coverity: ("Resource leak")

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::::::::

No data.

References

Link	Providers
https://git.kernel.org/stable/c/0e596b3734649041ed77edc86a23c0442bbe062b
https://git.kernel.org/stable/c/854b7737199848a91f6adfa0a03cf6f0c46c86e8
https://git.kernel.org/stable/c/b7bd0657c2036add71981d88a7fae50188150b6e
https://git.kernel.org/stable/c/dfd6443bf49ac17adf882ca46c40c506a0284bd6
https://lore.kernel.org/linux-cve-announce/2024022841-CVE-2021-47052-3cca@gregkh/T/#u
https://nvd.nist.gov/vuln/detail/CVE-2021-47052
https://www.cve.org/CVERecord?id=CVE-2021-47052

History

Mon, 09 Dec 2024 19:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Linux Linux linux Kernel
CPEs		cpe:2.3:o:linux:linux_kernel::::::::
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: 2024-02-28T08:13:54.083Z

Updated: 2024-12-19T07:34:21.250Z

Reserved: 2024-02-27T18:42:55.972Z

Link: CVE-2021-47052

Vulnrichment

Updated: 2024-08-04T05:24:39.911Z

NVD

Status : Analyzed

Published: 2024-02-28T09:15:40.567

Modified: 2024-12-09T18:46:53.900

Link: CVE-2021-47052

Redhat

Severity : Low

Publid Date: 2024-02-28T00:00:00Z

Links: CVE-2021-47052 - Bugzilla

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-47052", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-27T18:42:55.972Z", "datePublished": "2024-02-28T08:13:54.083Z", "dateUpdated": "2024-12-19T07:34:21.250Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T07:34:21.250Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: sa2ul - Fix memory leak of rxd\n\nThere are two error return paths that are not freeing rxd and causing\nmemory leaks. Fix these.\n\nAddresses-Coverity: (\"Resource leak\")"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/crypto/sa2ul.c"], "versions": [{"version": "00c9211f60db2dead16856f81a3e6ab86b31f275", "lessThan": "0e596b3734649041ed77edc86a23c0442bbe062b", "status": "affected", "versionType": "git"}, {"version": "00c9211f60db2dead16856f81a3e6ab86b31f275", "lessThan": "dfd6443bf49ac17adf882ca46c40c506a0284bd6", "status": "affected", "versionType": "git"}, {"version": "00c9211f60db2dead16856f81a3e6ab86b31f275", "lessThan": "b7bd0657c2036add71981d88a7fae50188150b6e", "status": "affected", "versionType": "git"}, {"version": "00c9211f60db2dead16856f81a3e6ab86b31f275", "lessThan": "854b7737199848a91f6adfa0a03cf6f0c46c86e8", "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/crypto/sa2ul.c"], "versions": [{"version": "5.10", "status": "affected"}, {"version": "0", "lessThan": "5.10", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.37", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.11.21", "lessThanOrEqual": "5.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.12.4", "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/0e596b3734649041ed77edc86a23c0442bbe062b"}, {"url": "https://git.kernel.org/stable/c/dfd6443bf49ac17adf882ca46c40c506a0284bd6"}, {"url": "https://git.kernel.org/stable/c/b7bd0657c2036add71981d88a7fae50188150b6e"}, {"url": "https://git.kernel.org/stable/c/854b7737199848a91f6adfa0a03cf6f0c46c86e8"}], "title": "crypto: sa2ul - Fix memory leak of rxd", "x_generator": {"engine": "bippy-5f407fcff5a0"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47052", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-03-11T16:41:06.445130Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:13:39.230Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.911Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/0e596b3734649041ed77edc86a23c0442bbe062b", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/dfd6443bf49ac17adf882ca46c40c506a0284bd6", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/b7bd0657c2036add71981d88a7fae50188150b6e", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/854b7737199848a91f6adfa0a03cf6f0c46c86e8", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/0e596b3734649041ed77edc86a23c0442bbe062b", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/dfd6443bf49ac17adf882ca46c40c506a0284bd6", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/b7bd0657c2036add71981d88a7fae50188150b6e", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/854b7737199848a91f6adfa0a03cf6f0c46c86e8", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.911Z"}}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47052", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-03-11T16:41:06.445130Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-23T19:01:16.772Z"}, "title": "CISA ADP Vulnrichment"}], "cna": {"title": "crypto: sa2ul - Fix memory leak of rxd", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "00c9211f60db2dead16856f81a3e6ab86b31f275", "lessThan": "0e596b3734649041ed77edc86a23c0442bbe062b", "versionType": "git"}, {"status": "affected", "version": "00c9211f60db2dead16856f81a3e6ab86b31f275", "lessThan": "dfd6443bf49ac17adf882ca46c40c506a0284bd6", "versionType": "git"}, {"status": "affected", "version": "00c9211f60db2dead16856f81a3e6ab86b31f275", "lessThan": "b7bd0657c2036add71981d88a7fae50188150b6e", "versionType": "git"}, {"status": "affected", "version": "00c9211f60db2dead16856f81a3e6ab86b31f275", "lessThan": "854b7737199848a91f6adfa0a03cf6f0c46c86e8", "versionType": "git"}], "programFiles": ["drivers/crypto/sa2ul.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.10"}, {"status": "unaffected", "version": "0", "lessThan": "5.10", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.37", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.11.21", "versionType": "semver", "lessThanOrEqual": "5.11.*"}, {"status": "unaffected", "version": "5.12.4", "versionType": "semver", "lessThanOrEqual": "5.12.*"}, {"status": "unaffected", "version": "5.13", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/crypto/sa2ul.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/0e596b3734649041ed77edc86a23c0442bbe062b"}, {"url": "https://git.kernel.org/stable/c/dfd6443bf49ac17adf882ca46c40c506a0284bd6"}, {"url": "https://git.kernel.org/stable/c/b7bd0657c2036add71981d88a7fae50188150b6e"}, {"url": "https://git.kernel.org/stable/c/854b7737199848a91f6adfa0a03cf6f0c46c86e8"}], "x_generator": {"engine": "bippy-5f407fcff5a0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: sa2ul - Fix memory leak of rxd\n\nThere are two error return paths that are not freeing rxd and causing\nmemory leaks. Fix these.\n\nAddresses-Coverity: (\"Resource leak\")"}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T07:34:21.250Z"}}}, "cveMetadata": {"cveId": "CVE-2021-47052", "state": "PUBLISHED", "dateUpdated": "2024-12-19T07:34:21.250Z", "dateReserved": "2024-02-27T18:42:55.972Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-02-28T08:13:54.083Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4E433B72-3E3A-435E-9A66-80D28868BDF2", "versionEndExcluding": "5.10.37", "versionStartIncluding": "5.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8CBB94EC-EC33-4464-99C5-03E5542715F0", "versionEndExcluding": "5.11.21", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D8C7052F-1B7B-4327-9C2B-84EBF3243838", "versionEndExcluding": "5.12.4", "versionStartIncluding": "5.12", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: sa2ul - Fix memory leak of rxd\n\nThere are two error return paths that are not freeing rxd and causing\nmemory leaks. Fix these.\n\nAddresses-Coverity: (\"Resource leak\")"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: crypto: sa2ul - Reparar la p\u00e9rdida de memoria de rxd Hay dos rutas de retorno de error que no liberan rxd y causan p\u00e9rdidas de memoria. Arregla esto. Direcciones-Cobertura: (\"Fuga de recursos\")"}], "id": "CVE-2021-47052", "lastModified": "2024-12-09T18:46:53.900", "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": "2024-02-28T09:15:40.567", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0e596b3734649041ed77edc86a23c0442bbe062b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/854b7737199848a91f6adfa0a03cf6f0c46c86e8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b7bd0657c2036add71981d88a7fae50188150b6e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dfd6443bf49ac17adf882ca46c40c506a0284bd6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0e596b3734649041ed77edc86a23c0442bbe062b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/854b7737199848a91f6adfa0a03cf6f0c46c86e8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b7bd0657c2036add71981d88a7fae50188150b6e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dfd6443bf49ac17adf882ca46c40c506a0284bd6"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}