CVE-2021-47033 - Vulnerability Details - OpenCVE

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7615: fix tx skb dma unmap The first pointer in the txp needs to be unmapped as well, otherwise it will leak DMA mapping entries

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/75bc5f779a7664d1fc19cb915039439c6e58bb94
https://git.kernel.org/stable/c/821ae236ccea989a1fcc6abfc4d5b74ad4ba39d2
https://git.kernel.org/stable/c/a025277a80add18c33d01042525a74fe5b875f25
https://git.kernel.org/stable/c/ebee7885bb12a8fe2c2f9bac87dbd87a05b645f9
https://lore.kernel.org/linux-cve-announce/2024022836-CVE-2021-47033-4d0d@gregkh/T/#u
https://nvd.nist.gov/vuln/detail/CVE-2021-47033
https://www.cve.org/CVERecord?id=CVE-2021-47033

History

Thu, 12 Dec 2024 16:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Linux Linux linux Kernel
Weaknesses		CWE-401
CPEs		cpe:2.3:o:linux:linux_kernel::::::::
Vendors & Products		Linux Linux linux Kernel
Metrics	cvssV3_1 `{'score': 2.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/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: 2024-02-28T08:13:42.072Z

Updated: 2024-12-19T07:33:59.049Z

Reserved: 2024-02-27T18:42:55.963Z

Link: CVE-2021-47033

Vulnrichment

Updated: 2024-08-04T05:24:39.198Z

NVD

Status : Analyzed

Published: 2024-02-28T09:15:39.663

Modified: 2024-12-12T15:39:46.350

Link: CVE-2021-47033

Redhat

Severity : Low

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

Links: CVE-2021-47033 - Bugzilla

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-47033", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-27T18:42:55.963Z", "datePublished": "2024-02-28T08:13:42.072Z", "dateUpdated": "2024-12-19T07:33:59.049Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T07:33:59.049Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmt76: mt7615: fix tx skb dma unmap\n\nThe first pointer in the txp needs to be unmapped as well, otherwise it will\nleak DMA mapping entries"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7615/mac.c"], "versions": [{"version": "27d5c528a7ca08dcd44877fdd9fc08b76630bf77", "lessThan": "75bc5f779a7664d1fc19cb915039439c6e58bb94", "status": "affected", "versionType": "git"}, {"version": "27d5c528a7ca08dcd44877fdd9fc08b76630bf77", "lessThan": "a025277a80add18c33d01042525a74fe5b875f25", "status": "affected", "versionType": "git"}, {"version": "27d5c528a7ca08dcd44877fdd9fc08b76630bf77", "lessThan": "821ae236ccea989a1fcc6abfc4d5b74ad4ba39d2", "status": "affected", "versionType": "git"}, {"version": "27d5c528a7ca08dcd44877fdd9fc08b76630bf77", "lessThan": "ebee7885bb12a8fe2c2f9bac87dbd87a05b645f9", "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/net/wireless/mediatek/mt76/mt7615/mac.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/75bc5f779a7664d1fc19cb915039439c6e58bb94"}, {"url": "https://git.kernel.org/stable/c/a025277a80add18c33d01042525a74fe5b875f25"}, {"url": "https://git.kernel.org/stable/c/821ae236ccea989a1fcc6abfc4d5b74ad4ba39d2"}, {"url": "https://git.kernel.org/stable/c/ebee7885bb12a8fe2c2f9bac87dbd87a05b645f9"}], "title": "mt76: mt7615: fix tx skb dma unmap", "x_generator": {"engine": "bippy-5f407fcff5a0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-06-21T16:29:24.120719Z", "id": "CVE-2021-47033", "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": "2024-06-21T16:29:35.936Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.198Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/75bc5f779a7664d1fc19cb915039439c6e58bb94", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/a025277a80add18c33d01042525a74fe5b875f25", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/821ae236ccea989a1fcc6abfc4d5b74ad4ba39d2", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/ebee7885bb12a8fe2c2f9bac87dbd87a05b645f9", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/75bc5f779a7664d1fc19cb915039439c6e58bb94", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/a025277a80add18c33d01042525a74fe5b875f25", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/821ae236ccea989a1fcc6abfc4d5b74ad4ba39d2", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/ebee7885bb12a8fe2c2f9bac87dbd87a05b645f9", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.198Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47033", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-06-21T16:29:24.120719Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-21T16:29:32.428Z"}}], "cna": {"title": "mt76: mt7615: fix tx skb dma unmap", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "27d5c528a7ca08dcd44877fdd9fc08b76630bf77", "lessThan": "75bc5f779a7664d1fc19cb915039439c6e58bb94", "versionType": "git"}, {"status": "affected", "version": "27d5c528a7ca08dcd44877fdd9fc08b76630bf77", "lessThan": "a025277a80add18c33d01042525a74fe5b875f25", "versionType": "git"}, {"status": "affected", "version": "27d5c528a7ca08dcd44877fdd9fc08b76630bf77", "lessThan": "821ae236ccea989a1fcc6abfc4d5b74ad4ba39d2", "versionType": "git"}, {"status": "affected", "version": "27d5c528a7ca08dcd44877fdd9fc08b76630bf77", "lessThan": "ebee7885bb12a8fe2c2f9bac87dbd87a05b645f9", "versionType": "git"}], "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7615/mac.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/net/wireless/mediatek/mt76/mt7615/mac.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/75bc5f779a7664d1fc19cb915039439c6e58bb94"}, {"url": "https://git.kernel.org/stable/c/a025277a80add18c33d01042525a74fe5b875f25"}, {"url": "https://git.kernel.org/stable/c/821ae236ccea989a1fcc6abfc4d5b74ad4ba39d2"}, {"url": "https://git.kernel.org/stable/c/ebee7885bb12a8fe2c2f9bac87dbd87a05b645f9"}], "x_generator": {"engine": "bippy-5f407fcff5a0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmt76: mt7615: fix tx skb dma unmap\n\nThe first pointer in the txp needs to be unmapped as well, otherwise it will\nleak DMA mapping entries"}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T07:33:59.049Z"}}}, "cveMetadata": {"cveId": "CVE-2021-47033", "state": "PUBLISHED", "dateUpdated": "2024-12-19T07:33:59.049Z", "dateReserved": "2024-02-27T18:42:55.963Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-02-28T08:13:42.072Z", "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\nmt76: mt7615: fix tx skb dma unmap\n\nThe first pointer in the txp needs to be unmapped as well, otherwise it will\nleak DMA mapping entries"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mt76: mt7615: fix tx skb dma unmap. El primer puntero en el txp tambi\u00e9n debe desasignarse; de lo contrario, se filtrar\u00e1n entradas de mapeo DMA"}], "id": "CVE-2021-47033", "lastModified": "2024-12-12T15:39:46.350", "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": "2024-02-28T09:15:39.663", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/75bc5f779a7664d1fc19cb915039439c6e58bb94"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/821ae236ccea989a1fcc6abfc4d5b74ad4ba39d2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a025277a80add18c33d01042525a74fe5b875f25"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ebee7885bb12a8fe2c2f9bac87dbd87a05b645f9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/75bc5f779a7664d1fc19cb915039439c6e58bb94"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/821ae236ccea989a1fcc6abfc4d5b74ad4ba39d2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a025277a80add18c33d01042525a74fe5b875f25"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ebee7885bb12a8fe2c2f9bac87dbd87a05b645f9"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}