198 lines
9.1 KiB
JSON
198 lines
9.1 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-2026-53285",
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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": "2026-06-09T07:44:35.396Z",
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"datePublished": "2026-06-26T19:40:46.328Z",
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"dateUpdated": "2026-11-06T16:34:17.749Z"
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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": "2026-10-21T12:42:26.186Z"
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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\ndrm/amd/display: Wrap DCN32 phantom-plane allocation in DC_RUN_WITH_PREEMPTION_ENABLED\n\n[Why]\ndcn32_validate_bandwidth() wraps dcn32_internal_validate_bw() with\nDC_FP_START()/DC_FP_END(). In x86 non-RT, DC_FP_START takes fpregs_lock(),\nwhich disables local softirqs.\n\nThe DML1 path through dcn32_enable_phantom_plane() calls kvzalloc() to\nallocate ~335 KiB for dc_plane_state. This triggers the vmalloc path,\nwhich calls BUG_ON(in_interrupt()) because it's invoked within the\nFPU-enabled (softirq disabled) region, leading to a kernel crash.\n\n[How]\nWrap the dc_state_create_phantom_plane() call with the\nDC_RUN_WITH_PREEMPTION_ENABLED() macro to allow preemption during\nthis memory allocation.\n\n(cherry picked from commit 885ccbef7b94a8b38f69c4211c679021aa27ad11)"
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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/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c"
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],
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"versions": [
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{
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"version": "235c67634230b0f9ad8c0185272fed36c892b1c4",
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"lessThan": "19e82047cb68bcde55791ee20178acd431609b8d",
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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": "235c67634230b0f9ad8c0185272fed36c892b1c4",
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"lessThan": "a8c1480bb066cf0f6e79129b7292e1c99ff68b9b",
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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": "235c67634230b0f9ad8c0185272fed36c892b1c4",
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"lessThan": "30bb2ec6695d62f63db4aa6179c4626834ed0cd6",
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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": "235c67634230b0f9ad8c0185272fed36c892b1c4",
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"lessThan": "183182235f6d53bac62c6c39014738a54a68dfa6",
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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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"drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.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": "6.18.57",
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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": "7.0.10",
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"lessThanOrEqual": "7.0.*",
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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": "7.1",
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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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"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": "6.18.57"
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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": "6.0",
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"versionEndExcluding": "7.0.10"
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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": "6.0",
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"versionEndExcluding": "7.1"
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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/19e82047cb68bcde55791ee20178acd431609b8d"
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},
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{
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"url": "https://git.kernel.org/stable/c/a8c1480bb066cf0f6e79129b7292e1c99ff68b9b"
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},
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{
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"url": "https://git.kernel.org/stable/c/30bb2ec6695d62f63db4aa6179c4626834ed0cd6"
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},
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{
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"url": "https://git.kernel.org/stable/c/183182235f6d53bac62c6c39014738a54a68dfa6"
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}
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],
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"title": "drm/amd/display: Wrap DCN32 phantom-plane allocation in DC_RUN_WITH_PREEMPTION_ENABLED",
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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-2026-53285",
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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": "2026-11-06T16:25:10.350550Z"
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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": "2026-11-06T16:34:17.749Z"
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}
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}
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]
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}
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} |