258 lines
13 KiB
JSON
258 lines
13 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-2026-74294",
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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": "2026-08-15T05:44:03.882Z",
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"datePublished": "2026-08-15T05:57:59.508Z",
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"dateUpdated": "2026-10-16T18:55:30.979Z"
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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": "2026-10-03T10:56:00.067Z"
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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\nASoC: meson: aiu: Validate written enum values\n\nThe AIU HDMI and internal codec mux put callbacks use the written enum\nvalue with snd_soc_enum_item_to_val() before checking whether the value is\nvalid for the enumeration.\n\nReject out-of-range values before converting the enum item, matching the\nvalidation already done by the G12A HDMI and internal codec mux controls."
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H",
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"baseScore": 7.3,
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"baseSeverity": "HIGH"
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},
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"scenarios": [
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{
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"lang": "en",
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"value": "AV:L - Exploitation requires issuing SNDRV_CTL_IOCTL_ELEM_WRITE against /dev/snd/controlC* on a Meson system with the AIU driver loaded; there is no network, adjacent-radio, or physical-device code path to the vulnerable mux put callbacks.\nAC:L - An attacker who can open the ALSA control device can reliably supply any out-of-range enumerated.item[0] value and trigger the bug on demand; no race, special memory layout, or other attacker-uncontrollable precondition is required.\nPR:L - On typical Linux-based Amlogic/Meson deployments (TV boxes, Kodi/SBC boards), unprivileged local users in the audio group can open the ALSA control device and write mixer controls without real root in the init namespace.\nUI:N - No victim interaction is required beyond the attacker opening /dev/snd/controlC* and writing the HDMI Source or ACodec Source enum control; no mount, playback, or other user action is needed.\nS:U - Impact is confined to the kernel audio subsystem on the local host; it does not cross VM, container, IOMMU, or other security boundaries into a different authority.\nC:H - Out-of-range mux values make snd_soc_dapm_mux_update_power() index past e->texts[] and pass the resulting pointer to strcmp(), causing an out-of-bounds kernel memory read that can disclose adjacent kernel data.\nI:L - The bug can force limited integrity changes via FIELD_PREP-masked AIU MMIO mux register writes and DAPM route reconnections, but it does not provide arbitrary kernel memory write or code-execution primitives.\nA:H - strcmp() on a pointer obtained from out-of-bounds e->texts[mux] can dereference invalid kernel addresses and trigger a kernel oops or panic, causing complete local audio/subsystem denial of service."
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}
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]
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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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"sound/soc/meson/aiu-acodec-ctrl.c",
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"sound/soc/meson/aiu-codec-ctrl.c"
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],
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"versions": [
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{
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"version": "b82b734c0e9a75e1b956214ac523a8eb590f51f3",
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"lessThan": "91797708f99e4a910ab019760069c0a7e00a6fc0",
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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": "b82b734c0e9a75e1b956214ac523a8eb590f51f3",
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"lessThan": "90703664dbc5a4bf3d84f649404318f3cafdbe69",
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"status": "affected",
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},
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"status": "affected",
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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": "b82b734c0e9a75e1b956214ac523a8eb590f51f3",
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"lessThan": "0965892cc486ca554d72eeb62d85ccf8d0137a5a",
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"status": "affected",
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{
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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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"sound/soc/meson/aiu-acodec-ctrl.c",
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"sound/soc/meson/aiu-codec-ctrl.c"
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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": "6.1.189",
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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": "6.6.158",
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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": "6.12.111",
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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": "6.18.53",
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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": "7.1.5",
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"lessThanOrEqual": "7.1.*",
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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": "7.2",
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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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"negate": false,
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"cpeMatch": [
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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": "6.1.189"
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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/91797708f99e4a910ab019760069c0a7e00a6fc0"
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},
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{
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"url": "https://git.kernel.org/stable/c/90703664dbc5a4bf3d84f649404318f3cafdbe69"
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"url": "https://git.kernel.org/stable/c/8a6d6735e7c02e88841cca1497ff3d8089f2ef24"
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{
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"url": "https://git.kernel.org/stable/c/96f5b92d958bc34500500f29fab8e0b908f25397"
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{
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"url": "https://git.kernel.org/stable/c/0965892cc486ca554d72eeb62d85ccf8d0137a5a"
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{
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"url": "https://git.kernel.org/stable/c/d65adf85477247be04ac86886f8edfaa047b5d4a"
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}
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],
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"title": "ASoC: meson: aiu: Validate written enum values",
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"x_generator": {
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"engine": "bippy-1.2.0"
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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-2026-74294",
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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": "2026-10-16T18:52:28.719550Z"
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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": "2026-10-16T18:55:30.979Z"
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}
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}
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]
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}
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} |