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| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncomedi: ni_usb6501: fix NULL-deref in command paths\n\nThe driver uses endpoint-sized USB transfer buffers but had no sanity\nchecks on the sizes. This can lead to zero-size-pointer dereferences or\noverflowed transfer buffers in ni6501_port_command() and\nni6501_counter_command() if a (malicious) device has smaller max-packet\nsizes than expected (or when doing descriptor fuzz testing).\n\nAdd the missing sanity checks to probe()." |
| } |
| ], |
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| "programFiles": [ |
| "drivers/comedi/drivers/ni_usb6501.c" |
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| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/comedi/drivers/ni_usb6501.c" |
| ], |
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| "version": "3.18", |
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| }, |
| { |
| "version": "0", |
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| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.4.292", |
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| "versionType": "semver" |
| }, |
| { |
| "version": "4.9.290", |
| "lessThanOrEqual": "4.9.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.14.255", |
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| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.19.217", |
| "lessThanOrEqual": "4.19.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.4.159", |
| "lessThanOrEqual": "5.4.*", |
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| }, |
| { |
| "version": "5.10.79", |
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| "versionType": "semver" |
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| { |
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| "lessThanOrEqual": "5.15.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.16", |
| "lessThanOrEqual": "*", |
| "status": "unaffected", |
| "versionType": "original_commit_for_fix" |
| } |
| ] |
| } |
| ], |
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| { |
| "nodes": [ |
| { |
| "operator": "OR", |
| "negate": false, |
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| "versionEndExcluding": "4.4.292" |
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| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/58478143771b20ab219937b1c30a706590a59224" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/aa39738423503825625853b643b9e99d11c23816" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/df7b1238f3b599a0b9284249772cdfd1ea83a632" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/bc51111bf6e8e7b6cc94b133e4c291273a16acd1" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/b0156b7c9649d8f55a2ce3d3258509f1b2a181c3" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/ef143dc0c3defe56730ecd3a9de7b3e1d7e557c1" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/4a9d43cb5d5f39fa39fc1da438517004cc95f7ea" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/d6a727a681a39ae4f73081a9bedb45d14f95bdd1" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/907767da8f3a925b060c740e0b5c92ea7dbec440" |
| } |
| ], |
| "title": "comedi: ni_usb6501: fix NULL-deref in command paths", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2021-47476", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
