348 lines
17 KiB
JSON
348 lines
17 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-2026-98347",
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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": "2026-10-06T08:46:36.136Z",
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"dateUpdated": "2026-10-19T09:17:58.195Z"
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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": "2026-10-19T09:17:58.195Z"
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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\nIB/IPoIB: Avoid restoring OPER_UP after multicast flush\n\nipoib_ib_dev_flush_light() temporarily clears IPOIB_FLAG_OPER_UP to\nprevent multicast joins while ipoib_mcast_dev_flush() is running, and\nrestores the flag afterwards if it was previously set.\n\nThis restore races with ipoib_ib_dev_down(). If the interface is brought\ndown while the flush is in progress, ipoib_ib_dev_down() clears\nIPOIB_FLAG_OPER_UP, but the flush path may set it again after the device\nhas already gone down.\n\nSince commit 894021a75291 (\"IB/ipoib: Make the carrier_on_task race\naware\"), ipoib_mcast_carrier_on_task() relies on IPOIB_FLAG_OPER_UP\nbeing cleared to terminate its rtnl_trylock() retry loop. If the flag is\nleft set after shutdown, the workqueue retries forever, causing teardown\nto deadlock when ipoib_ndo_uninit() waits in destroy_workqueue() while\nholding RTNL.\n\nInstead of overloading IPOIB_FLAG_OPER_UP to block multicast joins\nduring a light flush, introduce a dedicated IPOIB_FLAG_MCAST_FLUSH flag.\nUse it together with IPOIB_FLAG_OPER_UP to determine whether multicast\njoins are allowed, avoiding the race with device shutdown."
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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/infiniband/ulp/ipoib/ipoib.h",
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"drivers/infiniband/ulp/ipoib/ipoib_ib.c",
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"drivers/infiniband/ulp/ipoib/ipoib_multicast.c"
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],
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"versions": [
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{
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"version": "344bacca8cd811809fc33a249f2738ab757d327f",
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"lessThan": "f973769fb7cb33ba0d4a64b7dcfee0cabaead938",
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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": "344bacca8cd811809fc33a249f2738ab757d327f",
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"lessThan": "b72f38929f4b5aa83161fd3b22a7327207e51ec5",
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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": "344bacca8cd811809fc33a249f2738ab757d327f",
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"lessThan": "1b11e4b55b41d9e69a8e8d07622614202e2eaca9",
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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": "344bacca8cd811809fc33a249f2738ab757d327f",
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"lessThan": "326f7d34bd7e64de535566b65c0533b640df5a81",
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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": "344bacca8cd811809fc33a249f2738ab757d327f",
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"lessThan": "5ad925d45f28464a5e043c9620880bb6a030da89",
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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": "344bacca8cd811809fc33a249f2738ab757d327f",
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"lessThan": "188b334a6db36a8e0bfaaf59bc4020639a0f3aad",
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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": "344bacca8cd811809fc33a249f2738ab757d327f",
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"lessThan": "1ff3add37c329704ec46181b4ae4f00f9f16ce6f",
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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": "344bacca8cd811809fc33a249f2738ab757d327f",
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"lessThan": "9a141d3dc869d18b2eab35e999f4790a9b84e40f",
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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": "a289c65ca49d2680a3d797e633e57a45573d1df2",
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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": "b81459c78935e4579a577b2366c5f8878d3c7fee",
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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": "8a9d8dc9ce83a90bfbbe69181acc4cf1beff46f5",
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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": "dfe809702a11bd7fb91c882fb55620e39ce22109",
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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": "87160fb51bc343793cc8f5f031a87f1a35aecb82",
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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": "749fd55dd210f9676f0d445a6efaaa3bec65174a",
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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": "3.2.84",
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"lessThan": "3.3",
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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": "3.10.105",
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"lessThan": "3.11",
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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": "3.12.65",
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"lessThan": "3.13",
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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": "3.16.39",
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"lessThan": "3.17",
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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": "4.4.24",
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"lessThan": "4.5",
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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": "4.7.7",
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"lessThan": "4.8",
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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/infiniband/ulp/ipoib/ipoib.h",
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"drivers/infiniband/ulp/ipoib/ipoib_ib.c",
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"drivers/infiniband/ulp/ipoib/ipoib_multicast.c"
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],
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"versions": [
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{
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"version": "4.8",
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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": "4.8",
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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": "4.8",
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"versionEndExcluding": "5.10.271"
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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{
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},
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"versionStartIncluding": "3.10.105"
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},
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},
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},
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"vulnerable": true,
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"versionStartIncluding": "4.4.24"
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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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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/f973769fb7cb33ba0d4a64b7dcfee0cabaead938"
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},
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{
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"url": "https://git.kernel.org/stable/c/b72f38929f4b5aa83161fd3b22a7327207e51ec5"
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},
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{
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"url": "https://git.kernel.org/stable/c/1b11e4b55b41d9e69a8e8d07622614202e2eaca9"
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},
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{
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"url": "https://git.kernel.org/stable/c/326f7d34bd7e64de535566b65c0533b640df5a81"
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},
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{
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"url": "https://git.kernel.org/stable/c/5ad925d45f28464a5e043c9620880bb6a030da89"
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},
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{
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"url": "https://git.kernel.org/stable/c/188b334a6db36a8e0bfaaf59bc4020639a0f3aad"
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},
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{
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"url": "https://git.kernel.org/stable/c/1ff3add37c329704ec46181b4ae4f00f9f16ce6f"
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},
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{
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"url": "https://git.kernel.org/stable/c/9a141d3dc869d18b2eab35e999f4790a9b84e40f"
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}
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],
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"title": "IB/IPoIB: Avoid restoring OPER_UP after multicast flush",
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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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} |