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| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmt76: fix potential DMA mapping leak\n\nWith buf uninitialized in mt76_dma_tx_queue_skb_raw, its field skip_unmap\ncould potentially inherit a non-zero value from stack garbage.\nIf this happens, it will cause DMA mappings for MCU command frames to not be\nunmapped after completion" |
| } |
| ], |
| "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/dma.c" |
| ], |
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| { |
| "version": "27d5c528a7ca08dcd44877fdd9fc08b76630bf77", |
| "lessThan": "9fa26701cd1fc4d932d431971efc5746325bdfce", |
| "status": "affected", |
| "versionType": "git" |
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| "lessThan": "9b68ce2856dadc0e1cb6fd21fbeb850da49efd08", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "27d5c528a7ca08dcd44877fdd9fc08b76630bf77", |
| "lessThan": "91b9548d413fda488ea853cd1b9f59b572db3a0c", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "27d5c528a7ca08dcd44877fdd9fc08b76630bf77", |
| "lessThan": "b4403cee6400c5f679e9c4a82b91d61aa961eccf", |
| "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/dma.c" |
| ], |
| "versions": [ |
| { |
| "version": "5.10", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "5.10", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.37", |
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| "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" |
| } |
| ] |
| } |
| ], |
| "cpeApplicability": [ |
| { |
| "nodes": [ |
| { |
| "operator": "OR", |
| "negate": false, |
| "cpeMatch": [ |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.10", |
| "versionEndExcluding": "5.10.37" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.10", |
| "versionEndExcluding": "5.11.21" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.10", |
| "versionEndExcluding": "5.12.4" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.10", |
| "versionEndExcluding": "5.13" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/9fa26701cd1fc4d932d431971efc5746325bdfce" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/9b68ce2856dadc0e1cb6fd21fbeb850da49efd08" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/91b9548d413fda488ea853cd1b9f59b572db3a0c" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/b4403cee6400c5f679e9c4a82b91d61aa961eccf" |
| } |
| ], |
| "title": "mt76: fix potential DMA mapping leak", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2021-47064", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
