282 lines
14 KiB
JSON
282 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-2026-72441",
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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": "2026-08-09T03:40:39.930Z",
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"datePublished": "2026-08-15T05:56:53.305Z",
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"dateUpdated": "2026-11-06T17:05:42.677Z"
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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": "2026-08-17T05:14:42.172Z"
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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\nieee802154: fix kernel-infoleak in dgram_recvmsg()\n\nKMSAN reported a kernel-infoleak in move_addr_to_user():\n\nBUG: KMSAN: kernel-infoleak in instrument_copy_to_user\ninclude/linux/instrumented.h:131 [inline]\nBUG: KMSAN: kernel-infoleak in _inline_copy_to_user\ninclude/linux/uaccess.h:205 [inline]\nBUG: KMSAN: kernel-infoleak in _copy_to_user+0xcc/0x120\nlib/usercopy.c:26\n instrument_copy_to_user include/linux/instrumented.h:131 [inline]\n _inline_copy_to_user include/linux/uaccess.h:205 [inline]\n _copy_to_user+0xcc/0x120 lib/usercopy.c:26\n copy_to_user include/linux/uaccess.h:236 [inline]\n move_addr_to_user+0x2e7/0x440 net/socket.c:302\n ____sys_recvmsg+0x232/0x610 net/socket.c:2925\n ...\n Uninit was stored to memory at:\n ieee802154_addr_to_sa include/net/ieee802154_netdev.h:369 [inline]\n dgram_recvmsg+0xa09/0xbe0 net/ieee802154/socket.c:739\n\nThe issue occurs because the `pan_id` field of `struct ieee802154_addr`\nis left uninitialized when the address mode is `IEEE802154_ADDR_NONE`.\nThe execution flow is as follows:\n\n1. `__ieee802154_rx_handle_packet()` declares a local `struct\nieee802154_hdr hdr` on the stack.\n2. `ieee802154_hdr_pull()` calls `ieee802154_hdr_get_addr()` to parse\nthe source and destination addresses into this structure.\n3. If the address mode is `IEEE802154_ADDR_NONE`,\n`ieee802154_hdr_get_addr()` previously only set the `mode` field,\nleaving the `pan_id` field containing uninitialized stack memory.\n4. This uninitialized `pan_id` is later copied into a `struct\nsockaddr_ieee802154` in `dgram_recvmsg()` via `ieee802154_addr_to_sa()`.\n5. Finally, `move_addr_to_user()` copies the socket address structure to\nuser space, leaking the uninitialized bytes.\n\nFix this by using `memset` to zero out the address structure in\n`ieee802154_hdr_get_addr()` when the mode is `IEEE802154_ADDR_NONE`."
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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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"net/ieee802154/header_ops.c"
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],
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"versions": [
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{
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"version": "94b4f6c21cf54029377a0645675a9d81b6cf890d",
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"lessThan": "a2ee1a038a16e286d084bc293a7522d010a59ec3",
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"status": "affected",
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},
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{
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"version": "94b4f6c21cf54029377a0645675a9d81b6cf890d",
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"lessThan": "09cfe665f2c5d7a8a5ed4d6b487434a011325368",
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"status": "affected",
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},
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{
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"version": "94b4f6c21cf54029377a0645675a9d81b6cf890d",
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"lessThan": "c88e687e44cb9c7690f5039a5a5941dba1f6a204",
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{
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},
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{
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"version": "94b4f6c21cf54029377a0645675a9d81b6cf890d",
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"lessThan": "fc8766467b53335220b4b594ba15bc8f8cee0c76",
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"status": "affected",
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{
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"lessThan": "de3bd9809af7555611334cb6a071806744430ef7",
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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": "94b4f6c21cf54029377a0645675a9d81b6cf890d",
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"lessThan": "f14802465f5956baafe5f4b4541eb626b06b41f1",
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"status": "affected",
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},
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{
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"version": "94b4f6c21cf54029377a0645675a9d81b6cf890d",
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"lessThan": "4db86f8ab11b5a41bfc36680be837e6ac1375ec6",
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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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"net/ieee802154/header_ops.c"
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],
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"versions": [
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{
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"version": "3.15",
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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": "3.15",
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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": "5.10.261",
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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": "5.15.212",
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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": "6.1.178",
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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": "6.6.145",
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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": "6.12.97",
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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": "6.18.40",
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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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"nodes": [
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"operator": "OR",
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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": "3.15",
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"versionEndExcluding": "5.10.261"
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{
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/a2ee1a038a16e286d084bc293a7522d010a59ec3"
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},
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{
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"url": "https://git.kernel.org/stable/c/09cfe665f2c5d7a8a5ed4d6b487434a011325368"
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},
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{
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"url": "https://git.kernel.org/stable/c/c88e687e44cb9c7690f5039a5a5941dba1f6a204"
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},
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{
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"url": "https://git.kernel.org/stable/c/71b5add66c51d6764325de5f2e300bbf4f39e7a6"
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},
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{
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"url": "https://git.kernel.org/stable/c/fc8766467b53335220b4b594ba15bc8f8cee0c76"
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},
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{
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"url": "https://git.kernel.org/stable/c/de3bd9809af7555611334cb6a071806744430ef7"
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},
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{
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"url": "https://git.kernel.org/stable/c/f14802465f5956baafe5f4b4541eb626b06b41f1"
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},
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{
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"url": "https://git.kernel.org/stable/c/4db86f8ab11b5a41bfc36680be837e6ac1375ec6"
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}
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],
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"title": "ieee802154: fix kernel-infoleak in dgram_recvmsg()",
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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-2026-72441",
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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": "2026-11-06T16:55:28.811122Z"
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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": "2026-11-06T17:05:42.677Z"
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}
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}
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]
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}
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} |