CVE-2021-38201

net/sunrpc/xdr.c in the Linux kernel before 5.13.4 allows remote attackers to cause a denial of service (xdr_set_page_base slab-out-of-bounds access) by performing many NFS 4.2 READ_PLUS operations.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4	Mailing List Patch Vendor Advisory
https://github.com/torvalds/linux/commit/6d1c0f3d28f98ea2736128ed3e46821496dc3a8c	Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20210902-0010/	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

Configuration 2 (hide)

AND

cpe:2.3:o:netapp:hci_bootstrap_os:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*

Configuration 3 (hide)

OR	cpe:2.3:a:netapp:hci_management_node:-:::::::*
	cpe:2.3:a:netapp:solidfire:-:::::::*

Configuration 4 (hide)

AND

cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:hci_storage_node:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-08-08 20:15

Updated : 2024-04-23 18:57

NVD link : CVE-2021-38201

Mitre link : CVE-2021-38201

CVE.ORG link : CVE-2021-38201

JSON object : View

Products Affected

netapp

hci_management_node
hci_compute_node
element_software
hci_bootstrap_os
hci_storage_node
solidfire

linux

linux_kernel

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

{"id": "CVE-2021-38201", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/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"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2021-08-08T20:15:07.147", "references": [{"url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/torvalds/linux/commit/6d1c0f3d28f98ea2736128ed3e46821496dc3a8c", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://security.netapp.com/advisory/ntap-20210902-0010/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-119"}]}], "descriptions": [{"lang": "en", "value": "net/sunrpc/xdr.c in the Linux kernel before 5.13.4 allows remote attackers to cause a denial of service (xdr_set_page_base slab-out-of-bounds access) by performing many NFS 4.2 READ_PLUS operations."}, {"lang": "es", "value": "El archivo net/sunrpc/xdr.c en el kernel de Linux versiones anteriores a 5.13.4, permite a atacantes remotos causar una denegaci\u00f3n de servicio (acceso fuera de los l\u00edmites de xdr_set_page_base) al llevar a cabo muchas operaciones NFS 4.2 READ_PLUS"}], "lastModified": "2024-04-23T18:57:47.143", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "899BD8D1-E0DF-40D5-AE89-966542B4F09E", "versionEndExcluding": "5.12.19", "versionStartIncluding": "5.11.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8C97AEB3-19D7-4AD5-AE45-466EC5444F87", "versionEndExcluding": "5.13.4", "versionStartIncluding": "5.13.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:netapp:hci_bootstrap_os:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1C767AA1-88B7-48F0-9F31-A89D16DCD52C"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "AD7447BC-F315-4298-A822-549942FC118B"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A3C19813-E823-456A-B1CE-EC0684CE1953"}, {"criteria": "cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A6E9EF0C-AFA8-4F7B-9FDC-1E0F7C26E737"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "85DF4B3F-4BBC-42B7-B729-096934523D63"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:netapp:hci_storage_node:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "02DEB4FB-A21D-4CB1-B522-EEE5093E8521"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}