186 lines
9.5 KiB
JSON
186 lines
9.5 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-2022-49662",
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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": "2025-02-26T02:21:30.435Z",
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"datePublished": "2025-02-26T02:23:58.824Z",
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"dateUpdated": "2026-11-05T19:49:41.836Z"
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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": "2026-07-24T14:33:11.583Z"
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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\nipv6: fix lockdep splat in in6_dump_addrs()\n\nAs reported by syzbot, we should not use rcu_dereference()\nwhen rcu_read_lock() is not held.\n\nWARNING: suspicious RCU usage\n5.19.0-rc2-syzkaller #0 Not tainted\n\nnet/ipv6/addrconf.c:5175 suspicious rcu_dereference_check() usage!\n\nother info that might help us debug this:\n\nrcu_scheduler_active = 2, debug_locks = 1\n1 lock held by syz-executor326/3617:\n #0: ffffffff8d5848e8 (rtnl_mutex){+.+.}-{3:3}, at: netlink_dump+0xae/0xc20 net/netlink/af_netlink.c:2223\n\nstack backtrace:\nCPU: 0 PID: 3617 Comm: syz-executor326 Not tainted 5.19.0-rc2-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106\n in6_dump_addrs+0x12d1/0x1790 net/ipv6/addrconf.c:5175\n inet6_dump_addr+0x9c1/0xb50 net/ipv6/addrconf.c:5300\n netlink_dump+0x541/0xc20 net/netlink/af_netlink.c:2275\n __netlink_dump_start+0x647/0x900 net/netlink/af_netlink.c:2380\n netlink_dump_start include/linux/netlink.h:245 [inline]\n rtnetlink_rcv_msg+0x73e/0xc90 net/core/rtnetlink.c:6046\n netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2501\n netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]\n netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345\n netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921\n sock_sendmsg_nosec net/socket.c:714 [inline]\n sock_sendmsg+0xcf/0x120 net/socket.c:734\n ____sys_sendmsg+0x6eb/0x810 net/socket.c:2492\n ___sys_sendmsg+0xf3/0x170 net/socket.c:2546\n __sys_sendmsg net/socket.c:2575 [inline]\n __do_sys_sendmsg net/socket.c:2584 [inline]\n __se_sys_sendmsg net/socket.c:2582 [inline]\n __x64_sys_sendmsg+0x132/0x220 net/socket.c:2582\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80\n entry_SYSCALL_64_after_hwframe+0x46/0xb0"
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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/ipv6/addrconf.c"
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],
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"versions": [
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{
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"version": "676457fe5ad19517a8b21d1c3f4d23512118f6a3",
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"lessThan": "ea18594da69a09f68491da57f9fa09f003efbbc7",
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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": "88e2ca3080947fe22eb520c1f8231e79a105d011",
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"lessThan": "2930ee1a166df0e12fe9fec4b79cc3dc9634ae45",
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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": "88e2ca3080947fe22eb520c1f8231e79a105d011",
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"lessThan": "b39fda51c32dd879451e0119881f31493bf83283",
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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": "88e2ca3080947fe22eb520c1f8231e79a105d011",
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"lessThan": "4e43e64d0f1332fcc503babad4dc31aead7131ca",
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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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"net/ipv6/addrconf.c"
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],
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"versions": [
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{
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"version": "5.13",
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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": "5.13",
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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": "5.15.53",
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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": "5.18.10",
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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": "5.13",
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"versionEndExcluding": "5.15.53"
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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": "5.13",
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"versionEndExcluding": "5.18.10"
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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": "5.13",
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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/ea18594da69a09f68491da57f9fa09f003efbbc7"
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},
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{
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"url": "https://git.kernel.org/stable/c/2930ee1a166df0e12fe9fec4b79cc3dc9634ae45"
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},
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{
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"url": "https://git.kernel.org/stable/c/b39fda51c32dd879451e0119881f31493bf83283"
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},
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{
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"url": "https://git.kernel.org/stable/c/4e43e64d0f1332fcc503babad4dc31aead7131ca"
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}
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],
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"title": "ipv6: fix lockdep splat in in6_dump_addrs()",
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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-2022-49662",
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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": "2026-11-05T19:46:43.720505Z"
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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": "2026-11-05T19:49:41.836Z"
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}
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}
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]
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}
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} |