283 lines
14 KiB
JSON
283 lines
14 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-2023-53242",
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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": "2025-09-15T14:19:21.848Z",
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"datePublished": "2025-09-15T14:23:11.251Z",
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"dateUpdated": "2026-08-05T09:13:15.049Z"
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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": "2026-08-05T09:13:15.049Z"
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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\nthermal/drivers/hisi: Drop second sensor hi3660\n\nThe commit 74c8e6bffbe1 (\"driver core: Add __alloc_size hint to devm\nallocators\") exposes a panic \"BRK handler: Fatal exception\" on the\nhi3660_thermal_probe funciton.\nThis is because the function allocates memory for only one\nsensors array entry, but tries to fill up a second one.\n\nFix this by removing the unneeded second access."
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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:N/I:H/A:H",
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"baseScore": 7.1,
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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 - The OOB write occurs only in hi3660_thermal_probe during local platform-driver bind for hisilicon,hi3660-tsensor (HiKey960/Kirin 960 SoC thermal), with no network or adjacent-protocol path into this driver.\nAC:L - On affected hi3660 DT platforms the undersized devm_kzalloc and subsequent sensor[1] stores execute deterministically every probe; no race or attacker-uncontrollable layout is required to hit the OOB write or fortify BRK panic.\nPR:L - The slab OOB runs automatically at boot when HISI_THERMAL probes the DT tsensor, so a local unprivileged user on that device can be present to leverage the resulting adjacent kmalloc-32 corruption without needing sysfs bind (0200) as real root.\nUI:N - Probe and the OOB stores run as part of normal driver init/boot (or privileged rebind); no victim mount, open, or other interactive action is required.\nS:U - Corruption and any resulting oops remain inside the host kernel thermal/driver heap and do not cross a VM, IOMMU, or other security-authority boundary.\nC:N - The overflow only stores fixed constants (HI3660_LITTLE_SENSOR, a rodata string pointer, and the hisi_thermal_data pointer) with no out-of-bounds read or other disclosure primitive.\nI:H - Writing sensor[1] past a one-element allocation is a genuine slab out-of-bounds write that clobbers an adjacent kmalloc-32 object's pointer fields, which per guidance is High integrity impact.\nA:H - With __alloc_size fortify the OOB triggers a BRK/fatal exception during probe, and without it adjacent-heap corruption can still oops/panic the kernel—Availability High."
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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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"drivers/thermal/hisi_thermal.c"
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],
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"versions": [
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{
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"version": "7d3a2a2bbadb4bf5856ed394ba09b8fbb7a80460",
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"lessThan": "3cf2181e438f43ed24e12424fe36d156cca233b9",
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"status": "affected",
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"versionType": "git"
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"status": "affected",
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"status": "affected",
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{
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"product": "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/thermal/hisi_thermal.c"
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],
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"versions": [
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{
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"version": "4.20",
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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": "4.20",
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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": "5.4.235",
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"lessThanOrEqual": "5.4.*",
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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": "5.10.173",
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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": "5.15.99",
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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": "6.1.16",
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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": "6.2.3",
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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",
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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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"references": [
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{
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"url": "https://git.kernel.org/stable/c/3cf2181e438f43ed24e12424fe36d156cca233b9"
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},
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{
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"url": "https://git.kernel.org/stable/c/e02bc492883abf751fd1a8d89fc025fbce6744c6"
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},
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{
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"url": "https://git.kernel.org/stable/c/f5aaf140ab1c02889c088e1b1098adad600541af"
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},
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{
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"url": "https://git.kernel.org/stable/c/9f6756cd09889c7201ee31e6f76fbd914fb0b80d"
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},
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{
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"url": "https://git.kernel.org/stable/c/68e675a9b69cfc34dd915d91a4650e3ee53421f4"
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},
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{
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"url": "https://git.kernel.org/stable/c/15cc25829a97c3957e520e971868aacc84341317"
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}
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],
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"title": "thermal/drivers/hisi: Drop second sensor hi3660",
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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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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 5.5,
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"attackVector": "LOCAL",
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"baseSeverity": "MEDIUM",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"integrityImpact": "NONE",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "HIGH",
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"privilegesRequired": "LOW",
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"confidentialityImpact": "NONE"
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}
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},
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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-2023-53242",
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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": "2026-01-14T17:58:08.612232Z"
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}
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}
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"type": "CWE",
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"description": "CWE-noinfo Not enough information"
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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": "2026-01-14T18:02:50.842Z"
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}
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}
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]
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}
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} |