342 lines
18 KiB
JSON
342 lines
18 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-2025-38684",
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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": "2025-04-16T04:51:24.032Z",
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"datePublished": "2025-09-04T15:32:38.927Z",
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"dateUpdated": "2026-11-05T21:12:52.750Z"
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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": "2026-05-23T16:00:22.602Z"
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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\nnet/sched: ets: use old 'nbands' while purging unused classes\n\nShuang reported sch_ets test-case [1] crashing in ets_class_qlen_notify()\nafter recent changes from Lion [2]. The problem is: in ets_qdisc_change()\nwe purge unused DWRR queues; the value of 'q->nbands' is the new one, and\nthe cleanup should be done with the old one. The problem is here since my\nfirst attempts to fix ets_qdisc_change(), but it surfaced again after the\nrecent qdisc len accounting fixes. Fix it purging idle DWRR queues before\nassigning a new value of 'q->nbands', so that all purge operations find a\nconsistent configuration:\n\n - old 'q->nbands' because it's needed by ets_class_find()\n - old 'q->nstrict' because it's needed by ets_class_is_strict()\n\n BUG: kernel NULL pointer dereference, address: 0000000000000000\n #PF: supervisor read access in kernel mode\n #PF: error_code(0x0000) - not-present page\n PGD 0 P4D 0\n Oops: Oops: 0000 [#1] SMP NOPTI\n CPU: 62 UID: 0 PID: 39457 Comm: tc Kdump: loaded Not tainted 6.12.0-116.el10.x86_64 #1 PREEMPT(voluntary)\n Hardware name: Dell Inc. PowerEdge R640/06DKY5, BIOS 2.12.2 07/09/2021\n RIP: 0010:__list_del_entry_valid_or_report+0x4/0x80\n Code: ff 4c 39 c7 0f 84 39 19 8e ff b8 01 00 00 00 c3 cc cc cc cc 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <48> 8b 17 48 8b 4f 08 48 85 d2 0f 84 56 19 8e ff 48 85 c9 0f 84 ab\n RSP: 0018:ffffba186009f400 EFLAGS: 00010202\n RAX: 00000000000000d6 RBX: 0000000000000000 RCX: 0000000000000004\n RDX: ffff9f0fa29b69c0 RSI: 0000000000000000 RDI: 0000000000000000\n RBP: ffffffffc12c2400 R08: 0000000000000008 R09: 0000000000000004\n R10: ffffffffffffffff R11: 0000000000000004 R12: 0000000000000000\n R13: ffff9f0f8cfe0000 R14: 0000000000100005 R15: 0000000000000000\n FS: 00007f2154f37480(0000) GS:ffff9f269c1c0000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 0000000000000000 CR3: 00000001530be001 CR4: 00000000007726f0\n DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n PKRU: 55555554\n Call Trace:\n <TASK>\n ets_class_qlen_notify+0x65/0x90 [sch_ets]\n qdisc_tree_reduce_backlog+0x74/0x110\n ets_qdisc_change+0x630/0xa40 [sch_ets]\n __tc_modify_qdisc.constprop.0+0x216/0x7f0\n tc_modify_qdisc+0x7c/0x120\n rtnetlink_rcv_msg+0x145/0x3f0\n netlink_rcv_skb+0x53/0x100\n netlink_unicast+0x245/0x390\n netlink_sendmsg+0x21b/0x470\n ____sys_sendmsg+0x39d/0x3d0\n ___sys_sendmsg+0x9a/0xe0\n __sys_sendmsg+0x7a/0xd0\n do_syscall_64+0x7d/0x160\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n RIP: 0033:0x7f2155114084\n Code: 89 02 b8 ff ff ff ff eb bb 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 80 3d 25 f0 0c 00 00 74 13 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 54 c3 0f 1f 00 48 83 ec 28 89 54 24 1c 48 89\n RSP: 002b:00007fff1fd7a988 EFLAGS: 00000202 ORIG_RAX: 000000000000002e\n RAX: ffffffffffffffda RBX: 0000560ec063e5e0 RCX: 00007f2155114084\n RDX: 0000000000000000 RSI: 00007fff1fd7a9f0 RDI: 0000000000000003\n RBP: 00007fff1fd7aa60 R08: 0000000000000010 R09: 000000000000003f\n R10: 0000560ee9b3a010 R11: 0000000000000202 R12: 00007fff1fd7aae0\n R13: 000000006891ccde R14: 0000560ec063e5e0 R15: 00007fff1fd7aad0\n </TASK>\n\n [1] https://lore.kernel.org/netdev/e08c7f4a6882f260011909a868311c6e9b54f3e4.1639153474.git.dcaratti@redhat.com/\n [2] https://lore.kernel.org/netdev/d912cbd7-193b-4269-9857-525bee8bbb6a@gmail.com/"
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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/sched/sch_ets.c"
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],
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"versions": [
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{
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"version": "dcc68b4d8084e1ac9af0d4022d6b1aff6a139a33",
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"lessThan": "bdfddcde86e8b9245d9c0c2efe2b6fe8dcf6bf41",
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},
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{
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"version": "dcc68b4d8084e1ac9af0d4022d6b1aff6a139a33",
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"lessThan": "97ec167cd2e8a81a2d87331a2ed92daf007542c8",
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"status": "affected",
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"lessThan": "84a24fb446ee07b22b64aae6f0e3f4a38266310a",
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{
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"version": "dcc68b4d8084e1ac9af0d4022d6b1aff6a139a33",
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"lessThan": "5b3b346bc4c2aa2c428735438a11989d251f32f1",
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"status": "affected",
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},
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{
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"version": "dcc68b4d8084e1ac9af0d4022d6b1aff6a139a33",
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"lessThan": "d69f4a258cd91b3bcef7089eb0401005aae2aed5",
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{
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"version": "dcc68b4d8084e1ac9af0d4022d6b1aff6a139a33",
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"lessThan": "970c1c731c4ede46d05f5b0355724d1e400cfbca",
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"status": "affected",
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},
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"version": "dcc68b4d8084e1ac9af0d4022d6b1aff6a139a33",
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"lessThan": "87c6efc5ce9c126ae4a781bc04504b83780e3650",
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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": "3b290923ad2b23596208c1e29520badef4356a43",
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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": "5.4.296",
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"lessThan": "5.5",
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"status": "affected",
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"versionType": "semver"
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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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"net/sched/sch_ets.c"
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],
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{
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"version": "5.6",
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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": "5.6",
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"status": "unaffected",
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},
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{
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"version": "5.10.241",
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"lessThanOrEqual": "5.10.*",
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"status": "unaffected",
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},
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{
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"version": "5.15.190",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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},
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{
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"version": "6.1.149",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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},
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{
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"version": "6.6.103",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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},
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{
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"version": "6.12.43",
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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": "6.15.11",
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"lessThanOrEqual": "6.15.*",
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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": "6.16.2",
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"lessThanOrEqual": "6.16.*",
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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": "6.17",
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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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"vulnerable": true,
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},
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{
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"url": "https://git.kernel.org/stable/c/be9692dafdfb36d9c43afd9d4e1d9d9ba8e7b51b"
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},
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{
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"url": "https://git.kernel.org/stable/c/97ec167cd2e8a81a2d87331a2ed92daf007542c8"
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},
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{
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"url": "https://git.kernel.org/stable/c/84a24fb446ee07b22b64aae6f0e3f4a38266310a"
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},
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{
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"url": "https://git.kernel.org/stable/c/5b3b346bc4c2aa2c428735438a11989d251f32f1"
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},
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{
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"url": "https://git.kernel.org/stable/c/d69f4a258cd91b3bcef7089eb0401005aae2aed5"
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},
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{
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"url": "https://git.kernel.org/stable/c/970c1c731c4ede46d05f5b0355724d1e400cfbca"
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},
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{
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"url": "https://git.kernel.org/stable/c/87c6efc5ce9c126ae4a781bc04504b83780e3650"
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}
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],
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"title": "net/sched: ets: use old 'nbands' while purging unused classes",
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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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"title": "CVE Program Container",
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"references": [
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{
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"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
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},
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{
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"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"
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}
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],
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2025-11-03T17:41:11.527Z"
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}
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},
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{
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"x_adpType": "supplier",
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"providerMetadata": {
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"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
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"shortName": "siemens-SADP",
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"dateUpdated": "2026-05-12T12:05:24.841Z"
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},
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"affected": [
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{
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"vendor": "Siemens",
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"product": "SIMATIC CN 4100",
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"versions": [
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{
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"status": "affected",
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"version": "0",
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"lessThan": "V5.0",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unknown"
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}
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],
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"references": [
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{
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"url": "https://cert-portal.siemens.com/productcert/html/ssa-032379.html"
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}
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]
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},
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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-2025-38684",
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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": "2026-11-05T21:07:08.384359Z"
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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": "2026-11-05T21:12:52.750Z"
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}
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}
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]
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}
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} |