294 lines
14 KiB
JSON
294 lines
14 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-2026-43309",
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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": "2026-05-01T14:12:56.000Z",
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"datePublished": "2026-05-08T13:11:27.595Z",
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"dateUpdated": "2026-11-06T15:42:47.752Z"
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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": "2026-10-21T12:40:34.118Z"
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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\nmd raid: fix hang when stopping arrays with metadata through dm-raid\n\nWhen using device-mapper's dm-raid target, stopping a RAID array can cause\nthe system to hang under specific conditions.\n\nThis occurs when:\n\n- A dm-raid managed device tree is suspended from top to bottom\n (the top-level RAID device is suspended first, followed by its\n underlying metadata and data devices)\n\n- The top-level RAID device is then removed\n\nRemoving the top-level device triggers a hang in the following sequence:\nthe dm-raid destructor calls md_stop(), which tries to flush the\nwrite-intent bitmap by writing to the metadata sub-devices. However, these\ndevices are already suspended, making them unable to complete the write-intent\noperations and causing an indefinite block.\n\nFix:\n\n- Prevent bitmap flushing when md_stop() is called from dm-raid\ndestructor context\n and avoid a quiescing/unquescing cycle which could also cause I/O\n\n- Still allow write-intent bitmap flushing when called from dm-raid\nsuspend context\n\nThis ensures that RAID array teardown can complete successfully even when the\nunderlying devices are in a suspended state.\n\nThis second patch uses md_is_rdwr() to distinguish between suspend and\ndestructor paths as elaborated on above."
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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/md/md.c"
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],
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"versions": [
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{
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"version": "0dd84b319352bb8ba64752d4e45396d8b13e6018",
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"lessThan": "63054027d95200b04f3cf624faa7817e0555d56a",
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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": "0dd84b319352bb8ba64752d4e45396d8b13e6018",
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"lessThan": "24783dd06de870d646c25207bae186f78195f912",
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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": "0dd84b319352bb8ba64752d4e45396d8b13e6018",
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"lessThan": "338378dfffbdbb8d37a18f0a0c0358812671f91e",
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"status": "affected",
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},
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{
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"version": "0dd84b319352bb8ba64752d4e45396d8b13e6018",
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"lessThan": "cefcb9297fbdb6d94b61787b4f8d84f55b741470",
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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": "1678ca35b80a94d474fdc31e2497ce5d7ed52512",
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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": "690b5c90fd2d81fd1d2b6110fa36783232f6dce2",
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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": "8e7fb19f1a744fd34e982633ced756fee0498ef7",
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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": "a5a58fab556bfe618b4c9719eb85712d78c6cb10",
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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": "661c01b2181d9413c799127f13143583b69f20fd",
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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": "f42a9819ba84bed2e609a4dff56af37063dcabdc",
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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": "4.14.292",
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"lessThan": "4.15",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "4.19.257",
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"lessThan": "4.20",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.4.212",
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"lessThan": "5.5",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.10.140",
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"lessThan": "5.11",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.15.64",
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"lessThan": "5.16",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.19.6",
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"lessThan": "5.20",
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"status": "affected",
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"versionType": "semver"
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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/md/md.c"
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],
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"versions": [
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{
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"version": "6.0",
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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": "6.0",
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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": "6.12.114",
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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": "6.18.16",
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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": "6.19.6",
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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": "6.0",
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"versionEndExcluding": "6.12.114"
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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/63054027d95200b04f3cf624faa7817e0555d56a"
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},
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{
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"url": "https://git.kernel.org/stable/c/24783dd06de870d646c25207bae186f78195f912"
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},
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{
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"url": "https://git.kernel.org/stable/c/338378dfffbdbb8d37a18f0a0c0358812671f91e"
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},
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{
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"url": "https://git.kernel.org/stable/c/cefcb9297fbdb6d94b61787b4f8d84f55b741470"
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}
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],
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"title": "md raid: fix hang when stopping arrays with metadata through dm-raid",
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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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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2026-43309",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-11-06T15:35:03.007086Z"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-11-06T15:42:47.752Z"
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}
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}
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]
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}
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} |