248 lines
12 KiB
JSON
248 lines
12 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-2026-43340",
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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": "2026-05-01T14:12:56.003Z",
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"datePublished": "2026-05-08T13:37:18.580Z",
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"dateUpdated": "2026-05-11T22:22:40.639Z"
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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": "2026-05-11T22:22:40.639Z"
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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: Reinit dev->spinlock between attachments to low-level drivers\n\n`struct comedi_device` is the main controlling structure for a COMEDI\ndevice created by the COMEDI subsystem. It contains a member `spinlock`\ncontaining a spin-lock that is initialized by the COMEDI subsystem, but\nis reserved for use by a low-level driver attached to the COMEDI device\n(at least since commit 25436dc9d84f (\"Staging: comedi: remove RT\ncode\")).\n\nSome COMEDI devices (those created on initialization of the COMEDI\nsubsystem when the \"comedi.comedi_num_legacy_minors\" parameter is\nnon-zero) can be attached to different low-level drivers over their\nlifetime using the `COMEDI_DEVCONFIG` ioctl command. This can result in\ninconsistent lock states being reported when there is a mismatch in the\nspin-lock locking levels used by each low-level driver to which the\nCOMEDI device has been attached. Fix it by reinitializing\n`dev->spinlock` before calling the low-level driver's `attach` function\npointer if `CONFIG_LOCKDEP` is enabled."
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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.c"
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],
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"versions": [
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{
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"version": "ed9eccbe8970f6eedc1b978c157caf1251a896d4",
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"lessThan": "3181c34b415c5464be9d34bff3e43ef63b747039",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "ed9eccbe8970f6eedc1b978c157caf1251a896d4",
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"lessThan": "2b1f49e4fdff3ef0f8e9158bbb5b149e06287560",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "ed9eccbe8970f6eedc1b978c157caf1251a896d4",
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"lessThan": "4d5ffe524903a30e2e0da7d16841a56bec2de55c",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "ed9eccbe8970f6eedc1b978c157caf1251a896d4",
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"lessThan": "c01bcc67a9a692d65508ebd480405b5e77d562b7",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "ed9eccbe8970f6eedc1b978c157caf1251a896d4",
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"lessThan": "430291d8f3884f57ae0057049b0ca291453e29e1",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "ed9eccbe8970f6eedc1b978c157caf1251a896d4",
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"lessThan": "b89c026227712c367950bbae055a5b31073d3b30",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "ed9eccbe8970f6eedc1b978c157caf1251a896d4",
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"lessThan": "83134a7a176ce5b4b19b6edecf4360e8d98d1a5a",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "ed9eccbe8970f6eedc1b978c157caf1251a896d4",
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"lessThan": "4b9a9a6d71e3e252032f959fb3895a33acb5865c",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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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.c"
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],
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"versions": [
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{
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"version": "2.6.29",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "2.6.29",
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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": "5.10.253",
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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": "5.15.203",
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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": "6.1.168",
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"lessThanOrEqual": "6.1.*",
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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": "6.6.134",
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"lessThanOrEqual": "6.6.*",
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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": "6.12.81",
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"lessThanOrEqual": "6.12.*",
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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": "6.18.22",
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"lessThanOrEqual": "6.18.*",
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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": "6.19.12",
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"lessThanOrEqual": "6.19.*",
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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": "7.0",
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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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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.29",
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"versionEndExcluding": "5.10.253"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.29",
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"versionEndExcluding": "5.15.203"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.29",
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"versionEndExcluding": "6.1.168"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.29",
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"versionEndExcluding": "6.6.134"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.29",
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"versionEndExcluding": "6.12.81"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.29",
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"versionEndExcluding": "6.18.22"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.29",
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"versionEndExcluding": "6.19.12"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.29",
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"versionEndExcluding": "7.0"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/3181c34b415c5464be9d34bff3e43ef63b747039"
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},
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{
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"url": "https://git.kernel.org/stable/c/2b1f49e4fdff3ef0f8e9158bbb5b149e06287560"
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},
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{
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"url": "https://git.kernel.org/stable/c/4d5ffe524903a30e2e0da7d16841a56bec2de55c"
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},
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{
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"url": "https://git.kernel.org/stable/c/c01bcc67a9a692d65508ebd480405b5e77d562b7"
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},
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{
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"url": "https://git.kernel.org/stable/c/430291d8f3884f57ae0057049b0ca291453e29e1"
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},
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{
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"url": "https://git.kernel.org/stable/c/b89c026227712c367950bbae055a5b31073d3b30"
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},
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{
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"url": "https://git.kernel.org/stable/c/83134a7a176ce5b4b19b6edecf4360e8d98d1a5a"
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},
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{
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"url": "https://git.kernel.org/stable/c/4b9a9a6d71e3e252032f959fb3895a33acb5865c"
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}
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],
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"title": "comedi: Reinit dev->spinlock between attachments to low-level drivers",
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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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}
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} |