395 lines
18 KiB
JSON
395 lines
18 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2021-47476",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2024-05-22T06:20:56.200Z",
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"datePublished": "2024-05-22T08:19:30.201Z",
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"dateUpdated": "2026-05-11T13:55:25.459Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-11T13:55:25.459Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"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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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/comedi/drivers/ni_usb6501.c"
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],
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{
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{
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"status": "affected",
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{
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{
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{
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/comedi/drivers/ni_usb6501.c"
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],
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"versions": [
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{
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"version": "3.18",
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"status": "affected"
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},
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{
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"version": "0",
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"versionType": "semver"
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},
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{
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"version": "4.4.292",
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"lessThanOrEqual": "4.4.*",
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},
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{
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"version": "4.9.290",
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"lessThanOrEqual": "4.9.*",
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"status": "unaffected",
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},
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{
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"version": "4.14.255",
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"lessThanOrEqual": "4.14.*",
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"status": "unaffected",
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},
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{
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"version": "4.19.217",
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"lessThanOrEqual": "4.19.*",
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"status": "unaffected",
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},
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{
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"version": "5.4.159",
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"lessThanOrEqual": "5.4.*",
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"status": "unaffected",
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},
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{
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"version": "5.10.79",
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"lessThanOrEqual": "5.10.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.14.18",
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"lessThanOrEqual": "5.14.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.2",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.16",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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{
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{
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"url": "https://git.kernel.org/stable/c/4a9d43cb5d5f39fa39fc1da438517004cc95f7ea"
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{
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{
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"url": "https://git.kernel.org/stable/c/907767da8f3a925b060c740e0b5c92ea7dbec440"
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}
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],
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"title": "comedi: ni_usb6501: fix NULL-deref in command paths",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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},
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"adp": [
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{
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"problemTypes": [
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{
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"descriptions": [
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{
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"type": "CWE",
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"cweId": "CWE-476",
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"lang": "en",
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"description": "CWE-476 NULL Pointer Dereference"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 4.6,
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"attackVector": "PHYSICAL",
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"baseSeverity": "MEDIUM",
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"vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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"integrityImpact": "NONE",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "HIGH",
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"privilegesRequired": "NONE",
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"confidentialityImpact": "NONE"
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}
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},
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2024-06-25T18:23:48.578876Z",
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"id": "CVE-2021-47476",
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"options": [
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{
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"Exploitation": "none"
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"Automatable": "no"
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"version": "2.0.3"
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