371 lines
17 KiB
JSON
371 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-2025-39721",
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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": "2025-04-16T07:20:57.117Z",
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"datePublished": "2025-09-05T17:21:28.911Z",
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"dateUpdated": "2026-11-10T12:36:49.602Z"
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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": "2026-05-11T21:34:58.636Z"
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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\ncrypto: qat - flush misc workqueue during device shutdown\n\nRepeated loading and unloading of a device specific QAT driver, for\nexample qat_4xxx, in a tight loop can lead to a crash due to a\nuse-after-free scenario. This occurs when a power management (PM)\ninterrupt triggers just before the device-specific driver (e.g.,\nqat_4xxx.ko) is unloaded, while the core driver (intel_qat.ko) remains\nloaded.\n\nSince the driver uses a shared workqueue (`qat_misc_wq`) across all\ndevices and owned by intel_qat.ko, a deferred routine from the\ndevice-specific driver may still be pending in the queue. If this\nroutine executes after the driver is unloaded, it can dereference freed\nmemory, resulting in a page fault and kernel crash like the following:\n\n BUG: unable to handle page fault for address: ffa000002e50a01c\n #PF: supervisor read access in kernel mode\n RIP: 0010:pm_bh_handler+0x1d2/0x250 [intel_qat]\n Call Trace:\n pm_bh_handler+0x1d2/0x250 [intel_qat]\n process_one_work+0x171/0x340\n worker_thread+0x277/0x3a0\n kthread+0xf0/0x120\n ret_from_fork+0x2d/0x50\n\nTo prevent this, flush the misc workqueue during device shutdown to\nensure that all pending work items are completed before the driver is\nunloaded.\n\nNote: This approach may slightly increase shutdown latency if the\nworkqueue contains jobs from other devices, but it ensures correctness\nand stability."
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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/crypto/intel/qat/qat_common/adf_common_drv.h",
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"drivers/crypto/intel/qat/qat_common/adf_init.c",
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"drivers/crypto/intel/qat/qat_common/adf_isr.c"
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],
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"versions": [
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{
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"version": "e5745f34113b758b45d134dec04a7df94dc67131",
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"lessThan": "fa4c14a82747886d333d8baef0d26da86ba1ccf7",
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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": "e5745f34113b758b45d134dec04a7df94dc67131",
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"lessThan": "5858448a6c65d8ee3f8600570d3ce19febcb33be",
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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": "e5745f34113b758b45d134dec04a7df94dc67131",
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"lessThan": "fe546f5c50fc474daca6bee72caa7ab68a74c33d",
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"status": "affected",
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},
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{
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"version": "e5745f34113b758b45d134dec04a7df94dc67131",
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"lessThan": "e59a52e429e13df3feb34f4853a8e36d121ed937",
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"status": "affected",
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{
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"lessThan": "3d4df408ba9bad2b205c7fb8afc1836a6a4ca88a",
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"status": "affected",
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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/crypto/intel/qat/qat_common/adf_common_drv.h",
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"drivers/crypto/intel/qat/qat_common/adf_init.c",
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"drivers/crypto/intel/qat/qat_common/adf_isr.c"
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],
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"versions": [
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{
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"version": "5.18",
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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": "5.18",
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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": "6.1.162",
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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": "6.6.103",
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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": "6.12.44",
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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": "6.16.4",
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"lessThanOrEqual": "6.16.*",
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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": "6.17",
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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": "5.18",
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"versionEndExcluding": "6.1.162"
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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": "5.18",
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"versionEndExcluding": "6.6.103"
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.18",
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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/fa4c14a82747886d333d8baef0d26da86ba1ccf7"
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},
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{
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"url": "https://git.kernel.org/stable/c/5858448a6c65d8ee3f8600570d3ce19febcb33be"
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},
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{
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"url": "https://git.kernel.org/stable/c/fe546f5c50fc474daca6bee72caa7ab68a74c33d"
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},
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{
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"url": "https://git.kernel.org/stable/c/e59a52e429e13df3feb34f4853a8e36d121ed937"
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},
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{
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"url": "https://git.kernel.org/stable/c/3d4df408ba9bad2b205c7fb8afc1836a6a4ca88a"
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}
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],
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"title": "crypto: qat - flush misc workqueue during device shutdown",
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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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"x_adpType": "supplier",
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"providerMetadata": {
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"shortName": "siemens-SADP",
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"dateUpdated": "2026-11-10T12:36:49.602Z"
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},
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"affected": [
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"vendor": "Siemens",
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"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)",
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]
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{
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"metrics": [
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"type": "ssvc",
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"content": {
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"id": "CVE-2025-39721",
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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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},
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{
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"Technical Impact": "partial"
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],
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}
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}
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],
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} |