202 lines
10 KiB
JSON
202 lines
10 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-2022-49613",
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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": "2025-02-26T02:21:30.418Z",
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"datePublished": "2025-02-26T02:23:34.739Z",
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"dateUpdated": "2026-11-05T19:49:41.012Z"
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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": "2026-05-11T19:03:20.267Z"
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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\nserial: 8250: Fix PM usage_count for console handover\n\nWhen console is enabled, univ8250_console_setup() calls\nserial8250_console_setup() before .dev is set to uart_port. Therefore,\nit will not call pm_runtime_get_sync(). Later, when the actual driver\nis going to take over univ8250_console_exit() is called. As .dev is\nalready set, serial8250_console_exit() makes pm_runtime_put_sync() call\nwith usage count being zero triggering PM usage count warning\n(extra debug for univ8250_console_setup(), univ8250_console_exit(), and\nserial8250_register_ports()):\n\n[ 0.068987] univ8250_console_setup ttyS0 nodev\n[ 0.499670] printk: console [ttyS0] enabled\n[ 0.717955] printk: console [ttyS0] printing thread started\n[ 1.960163] serial8250_register_ports assigned dev for ttyS0\n[ 1.976830] printk: console [ttyS0] disabled\n[ 1.976888] printk: console [ttyS0] printing thread stopped\n[ 1.977073] univ8250_console_exit ttyS0 usage:0\n[ 1.977075] serial8250 serial8250: Runtime PM usage count underflow!\n[ 1.977429] dw-apb-uart.6: ttyS0 at MMIO 0x4010006000 (irq = 33, base_baud = 115200) is a 16550A\n[ 1.977812] univ8250_console_setup ttyS0 usage:2\n[ 1.978167] printk: console [ttyS0] printing thread started\n[ 1.978203] printk: console [ttyS0] enabled\n\nTo fix the issue, call pm_runtime_get_sync() in\nserial8250_register_ports() as soon as .dev is set for an uart_port\nif it has console enabled.\n\nThis problem became apparent only recently because 82586a721595 (\"PM:\nruntime: Avoid device usage count underflows\") added the warning\nprintout. I confirmed this problem also occurs with v5.18 (w/o the\nwarning printout, obviously)."
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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/tty/serial/8250/8250_core.c",
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"drivers/tty/serial/serial_core.c",
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"include/linux/serial_core.h"
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],
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"versions": [
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{
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"version": "bedb404e91bb2908d9921fc736a518a9d89525fc",
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"lessThan": "d9cb6fabc90102f9e61fe35bd0160db88f4f53b4",
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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": "bedb404e91bb2908d9921fc736a518a9d89525fc",
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"lessThan": "190ce5cdc55d1b66ea582ac2be6fd5a72e3cc486",
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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": "bedb404e91bb2908d9921fc736a518a9d89525fc",
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"lessThan": "5df66302f03f87ae8953785a882d78e911f00c55",
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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": "bedb404e91bb2908d9921fc736a518a9d89525fc",
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"lessThan": "f9b11229b79c0fb2100b5bb4628a101b1d37fbf6",
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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/tty/serial/8250/8250_core.c",
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"drivers/tty/serial/serial_core.c",
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"include/linux/serial_core.h"
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],
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"versions": [
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{
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"version": "5.7",
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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": "5.7",
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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": "5.10.132",
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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": "5.15.56",
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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": "5.18.13",
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"lessThanOrEqual": "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": "5.19",
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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": "5.7",
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"versionEndExcluding": "5.10.132"
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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": "5.7",
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"versionEndExcluding": "5.15.56"
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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": "5.7",
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"versionEndExcluding": "5.18.13"
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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": "5.7",
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"versionEndExcluding": "5.19"
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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/d9cb6fabc90102f9e61fe35bd0160db88f4f53b4"
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},
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{
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"url": "https://git.kernel.org/stable/c/190ce5cdc55d1b66ea582ac2be6fd5a72e3cc486"
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},
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{
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"url": "https://git.kernel.org/stable/c/5df66302f03f87ae8953785a882d78e911f00c55"
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},
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{
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"url": "https://git.kernel.org/stable/c/f9b11229b79c0fb2100b5bb4628a101b1d37fbf6"
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}
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],
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"title": "serial: 8250: Fix PM usage_count for console handover",
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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-2022-49613",
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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": "2026-11-05T19:46:23.198072Z"
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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": "2026-11-05T19:49:41.012Z"
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}
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}
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]
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}
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} |