202 lines
9.4 KiB
JSON
202 lines
9.4 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-2023-53149",
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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": "2025-05-02T15:51:43.565Z",
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"datePublished": "2025-09-15T14:03:13.334Z",
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"dateUpdated": "2026-11-05T20:21:05.202Z"
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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": "2026-10-30T12:17:27.269Z"
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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\next4: avoid deadlock in fs reclaim with page writeback\n\nExt4 has a filesystem wide lock protecting ext4_writepages() calls to\navoid races with switching of journalled data flag or inode format. This\nlock can however cause a deadlock like:\n\nCPU0 CPU1\n\next4_writepages()\n percpu_down_read(sbi->s_writepages_rwsem);\n ext4_change_inode_journal_flag()\n percpu_down_write(sbi->s_writepages_rwsem);\n - blocks, all readers block from now on\n ext4_do_writepages()\n ext4_init_io_end()\n kmem_cache_zalloc(io_end_cachep, GFP_KERNEL)\n fs_reclaim frees dentry...\n dentry_unlink_inode()\n iput() - last ref =>\n iput_final() - inode dirty =>\n write_inode_now()...\n ext4_writepages() tries to acquire sbi->s_writepages_rwsem\n and blocks forever\n\nMake sure we cannot recurse into filesystem reclaim from writeback code\nto avoid the deadlock."
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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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"fs/ext4/ext4.h",
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"fs/ext4/inode.c",
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"fs/ext4/migrate.c"
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],
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"versions": [
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{
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"version": "c8585c6fcaf2011de54c3592e80a634a2b9e1a7f",
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"lessThan": "385b49a1f34b26f62e3834c773560b120825b6f8",
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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": "c8585c6fcaf2011de54c3592e80a634a2b9e1a7f",
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"lessThan": "2ec97dc90df40c50e509809dc9a198638a7e18b6",
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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": "c8585c6fcaf2011de54c3592e80a634a2b9e1a7f",
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"lessThan": "4b4340bf04ce9a52061f15000ecedd126abc093c",
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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": "c8585c6fcaf2011de54c3592e80a634a2b9e1a7f",
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"lessThan": "00d873c17e29cc32d90ca852b82685f1673acaa5",
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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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"fs/ext4/ext4.h",
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"fs/ext4/inode.c",
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"fs/ext4/migrate.c"
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],
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"versions": [
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{
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"version": "4.7",
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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": "4.7",
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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": "6.1.191",
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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": "6.2.16",
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"lessThanOrEqual": "6.2.*",
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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": "6.3.3",
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"lessThanOrEqual": "6.3.*",
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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": "6.4",
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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": "4.7",
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"versionEndExcluding": "6.1.191"
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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": "4.7",
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"versionEndExcluding": "6.2.16"
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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": "4.7",
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"versionEndExcluding": "6.3.3"
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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": "4.7",
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"versionEndExcluding": "6.4"
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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/385b49a1f34b26f62e3834c773560b120825b6f8"
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},
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{
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"url": "https://git.kernel.org/stable/c/2ec97dc90df40c50e509809dc9a198638a7e18b6"
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},
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{
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"url": "https://git.kernel.org/stable/c/4b4340bf04ce9a52061f15000ecedd126abc093c"
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},
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{
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"url": "https://git.kernel.org/stable/c/00d873c17e29cc32d90ca852b82685f1673acaa5"
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}
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],
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"title": "ext4: avoid deadlock in fs reclaim with page writeback",
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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-2023-53149",
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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": "2026-11-05T20:19:11.717190Z"
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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": "2026-11-05T20:21:05.202Z"
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}
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}
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]
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}
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} |