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-2026-98343",
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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": "2026-09-25T10:25:14.343Z",
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"datePublished": "2026-10-06T08:46:33.196Z",
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"dateUpdated": "2026-10-19T09:17:54.287Z"
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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": "2026-10-19T09:17:54.287Z"
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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\ndmaengine: fix use-after-free in dma_chan_put() and dma_release_channel()\n\nWhen dma_device_put() drops the last reference on chan->device->ref,\ndma_device_release() runs and may free the dma_device along with its\nchannels.\n\ndma_chan_put() then still reads chan->device->owner via\ndma_chan_to_owner() for the trailing module_put(). KASAN catches it:\n\n\tslab-use-after-free in dma_chan_put+0x3e6/0x4c0\n\tRead of size 8 by task insmod/6319\n\tFreed by task 6319:\n\t kfree+0x225/0x470\n\t dma_chan_put+0x395/0x4c0\n\t dmaengine_put+0xf8/0x160\n\nCache the module owner in dma_chan_put() before the put so the trailing\nmodule_put() does not need chan->device."
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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/dma/dmaengine.c"
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],
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"versions": [
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{
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"version": "8ad342a863590b24ce77681b7e081363fb3333f7",
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"lessThan": "b92c502595336a3cc5bb7a060170891366745a5d",
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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": "8ad342a863590b24ce77681b7e081363fb3333f7",
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"lessThan": "855187a88bdf762c46b6849307597e3e02bfc1d9",
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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": "8ad342a863590b24ce77681b7e081363fb3333f7",
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"lessThan": "c9780b601438137494b407eb4301bb3de2587ac9",
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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": "8ad342a863590b24ce77681b7e081363fb3333f7",
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"lessThan": "07eb075b60d565a5e465a1945a80cc62807492ad",
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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": "8ad342a863590b24ce77681b7e081363fb3333f7",
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"lessThan": "9319dd64d5cdef851841c091f30424faa2284c31",
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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": "8ad342a863590b24ce77681b7e081363fb3333f7",
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"lessThan": "6cf31716b77a71c0d634106f4f3951377b8dc6dc",
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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": "8ad342a863590b24ce77681b7e081363fb3333f7",
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"lessThan": "02bd02c585293634b213b142cba63cbf77891f6b",
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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": "8ad342a863590b24ce77681b7e081363fb3333f7",
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"lessThan": "e873c74132f0c5f1452816cd9bb26208f0bba1e1",
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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/dma/dmaengine.c"
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],
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"versions": [
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{
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"version": "5.6",
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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": "5.6",
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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": "5.10.271",
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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": "5.15.222",
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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": "6.1.189",
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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": "6.6.158",
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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": "6.12.112",
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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": "6.18.54",
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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": "7.2.8",
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"lessThanOrEqual": "7.2.*",
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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": "7.3",
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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": "5.6",
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"versionEndExcluding": "5.10.271"
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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": "5.6",
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"versionEndExcluding": "5.15.222"
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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": "5.6",
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"versionEndExcluding": "6.1.189"
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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": "5.6",
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"versionEndExcluding": "6.6.158"
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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": "5.6",
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"versionEndExcluding": "6.12.112"
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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": "5.6",
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"versionEndExcluding": "6.18.54"
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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": "5.6",
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"versionEndExcluding": "7.2.8"
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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": "5.6",
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"versionEndExcluding": "7.3"
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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/b92c502595336a3cc5bb7a060170891366745a5d"
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},
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{
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"url": "https://git.kernel.org/stable/c/855187a88bdf762c46b6849307597e3e02bfc1d9"
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},
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{
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"url": "https://git.kernel.org/stable/c/c9780b601438137494b407eb4301bb3de2587ac9"
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},
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{
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"url": "https://git.kernel.org/stable/c/07eb075b60d565a5e465a1945a80cc62807492ad"
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},
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{
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"url": "https://git.kernel.org/stable/c/9319dd64d5cdef851841c091f30424faa2284c31"
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},
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{
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"url": "https://git.kernel.org/stable/c/6cf31716b77a71c0d634106f4f3951377b8dc6dc"
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},
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{
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"url": "https://git.kernel.org/stable/c/02bd02c585293634b213b142cba63cbf77891f6b"
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},
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{
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"url": "https://git.kernel.org/stable/c/e873c74132f0c5f1452816cd9bb26208f0bba1e1"
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}
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],
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"title": "dmaengine: fix use-after-free in dma_chan_put() and dma_release_channel()",
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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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} |