210 lines
9.7 KiB
JSON
210 lines
9.7 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-2024-49976",
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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": "2024-10-21T12:17:06.052Z",
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"datePublished": "2024-10-21T18:02:23.774Z",
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"dateUpdated": "2026-05-23T15:54:11.904Z"
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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": "2026-05-23T15:54:11.904Z"
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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\ntracing/timerlat: Drop interface_lock in stop_kthread()\n\nstop_kthread() is the offline callback for \"trace/osnoise:online\", since\ncommit 5bfbcd1ee57b (\"tracing/timerlat: Add interface_lock around clearing\nof kthread in stop_kthread()\"), the following ABBA deadlock scenario is\nintroduced:\n\nT1 | T2 [BP] | T3 [AP]\nosnoise_hotplug_workfn() | work_for_cpu_fn() | cpuhp_thread_fun()\n | _cpu_down() | osnoise_cpu_die()\n mutex_lock(&interface_lock) | | stop_kthread()\n | cpus_write_lock() | mutex_lock(&interface_lock)\n cpus_read_lock() | cpuhp_kick_ap() |\n\nAs the interface_lock here in just for protecting the \"kthread\" field of\nthe osn_var, use xchg() instead to fix this issue. Also use\nfor_each_online_cpu() back in stop_per_cpu_kthreads() as it can take\ncpu_read_lock() again."
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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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"kernel/trace/trace_osnoise.c"
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],
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"versions": [
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{
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"version": "b4fdabffae14cca2c80d99bd81f3f27239ac7f5e",
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"lessThan": "a4a05ceffe8fad68b45de38fe2311bda619e76e2",
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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": "4679272d5252720746fd9c5465352cbc5665f230",
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"lessThan": "09cb44cc3d3df7ade2cebc939d6257a2fa8afc7a",
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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": "5bfbcd1ee57b607fd29e4645c7f350dd385dd9ad",
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"lessThan": "db8571a9a098086608c11a15856ff585789e67e8",
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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": "5bfbcd1ee57b607fd29e4645c7f350dd385dd9ad",
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"lessThan": "b484a02c9cedf8703eff8f0756f94618004bd165",
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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": "6.6.51",
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"lessThan": "6.6.55",
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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": "6.10.10",
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"lessThan": "6.10.14",
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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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"kernel/trace/trace_osnoise.c"
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],
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"versions": [
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{
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"version": "6.11",
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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": "6.11",
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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": "6.6.55",
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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": "6.10.14",
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"lessThanOrEqual": "6.10.*",
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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": "6.11.3",
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"lessThanOrEqual": "6.11.*",
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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",
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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": "6.6.51",
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"versionEndExcluding": "6.6.55"
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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": "6.10.10",
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"versionEndExcluding": "6.10.14"
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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": "6.11",
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"versionEndExcluding": "6.11.3"
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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": "6.11",
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"versionEndExcluding": "6.12"
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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/a4a05ceffe8fad68b45de38fe2311bda619e76e2"
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},
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{
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"url": "https://git.kernel.org/stable/c/09cb44cc3d3df7ade2cebc939d6257a2fa8afc7a"
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},
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{
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"url": "https://git.kernel.org/stable/c/db8571a9a098086608c11a15856ff585789e67e8"
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},
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{
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"url": "https://git.kernel.org/stable/c/b484a02c9cedf8703eff8f0756f94618004bd165"
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}
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],
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"title": "tracing/timerlat: Drop interface_lock in stop_kthread()",
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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-2024-49976",
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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": "2024-10-22T13:33:08.568915Z"
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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": "2024-10-22T13:38:45.341Z"
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}
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}
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]
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}
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} |