314 lines
19 KiB
JSON
314 lines
19 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-2025-38035",
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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": "2025-04-16T04:51:23.978Z",
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"datePublished": "2025-06-18T09:33:22.244Z",
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"dateUpdated": "2026-10-15T21:52:06.653Z"
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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": "2026-08-05T11:59:04.191Z"
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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\nnvmet-tcp: don't restore null sk_state_change\n\nqueue->state_change is set as part of nvmet_tcp_set_queue_sock(), but if\nthe TCP connection isn't established when nvmet_tcp_set_queue_sock() is\ncalled then queue->state_change isn't set and sock->sk->sk_state_change\nisn't replaced.\n\nAs such we don't need to restore sock->sk->sk_state_change if\nqueue->state_change is NULL.\n\nThis avoids NULL pointer dereferences such as this:\n\n[ 286.462026][ C0] BUG: kernel NULL pointer dereference, address: 0000000000000000\n[ 286.462814][ C0] #PF: supervisor instruction fetch in kernel mode\n[ 286.463796][ C0] #PF: error_code(0x0010) - not-present page\n[ 286.464392][ C0] PGD 8000000140620067 P4D 8000000140620067 PUD 114201067 PMD 0\n[ 286.465086][ C0] Oops: Oops: 0010 [#1] SMP KASAN PTI\n[ 286.465559][ C0] CPU: 0 UID: 0 PID: 1628 Comm: nvme Not tainted 6.15.0-rc2+ #11 PREEMPT(voluntary)\n[ 286.466393][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-3.fc41 04/01/2014\n[ 286.467147][ C0] RIP: 0010:0x0\n[ 286.467420][ C0] Code: Unable to access opcode bytes at 0xffffffffffffffd6.\n[ 286.467977][ C0] RSP: 0018:ffff8883ae008580 EFLAGS: 00010246\n[ 286.468425][ C0] RAX: 0000000000000000 RBX: ffff88813fd34100 RCX: ffffffffa386cc43\n[ 286.469019][ C0] RDX: 1ffff11027fa68b6 RSI: 0000000000000008 RDI: ffff88813fd34100\n[ 286.469545][ C0] RBP: ffff88813fd34160 R08: 0000000000000000 R09: ffffed1027fa682c\n[ 286.470072][ C0] R10: ffff88813fd34167 R11: 0000000000000000 R12: ffff88813fd344c3\n[ 286.470585][ C0] R13: ffff88813fd34112 R14: ffff88813fd34aec R15: ffff888132cdd268\n[ 286.471070][ C0] FS: 00007fe3c04c7d80(0000) GS:ffff88840743f000(0000) knlGS:0000000000000000\n[ 286.471644][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 286.472543][ C0] CR2: ffffffffffffffd6 CR3: 000000012daca000 CR4: 00000000000006f0\n[ 286.473500][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n[ 286.474467][ C0] DR3: 0000000000000000 DR6: 00000000ffff07f0 DR7: 0000000000000400\n[ 286.475453][ C0] Call Trace:\n[ 286.476102][ C0] <IRQ>\n[ 286.476719][ C0] tcp_fin+0x2bb/0x440\n[ 286.477429][ C0] tcp_data_queue+0x190f/0x4e60\n[ 286.478174][ C0] ? __build_skb_around+0x234/0x330\n[ 286.478940][ C0] ? rcu_is_watching+0x11/0xb0\n[ 286.479659][ C0] ? __pfx_tcp_data_queue+0x10/0x10\n[ 286.480431][ C0] ? tcp_try_undo_loss+0x640/0x6c0\n[ 286.481196][ C0] ? seqcount_lockdep_reader_access.constprop.0+0x82/0x90\n[ 286.482046][ C0] ? kvm_clock_get_cycles+0x14/0x30\n[ 286.482769][ C0] ? ktime_get+0x66/0x150\n[ 286.483433][ C0] ? rcu_is_watching+0x11/0xb0\n[ 286.484146][ C0] tcp_rcv_established+0x6e4/0x2050\n[ 286.484857][ C0] ? rcu_is_watching+0x11/0xb0\n[ 286.485523][ C0] ? ipv4_dst_check+0x160/0x2b0\n[ 286.486203][ C0] ? __pfx_tcp_rcv_established+0x10/0x10\n[ 286.486917][ C0] ? lock_release+0x217/0x2c0\n[ 286.487595][ C0] tcp_v4_do_rcv+0x4d6/0x9b0\n[ 286.488279][ C0] tcp_v4_rcv+0x2af8/0x3e30\n[ 286.488904][ C0] ? raw_local_deliver+0x51b/0xad0\n[ 286.489551][ C0] ? rcu_is_watching+0x11/0xb0\n[ 286.490198][ C0] ? __pfx_tcp_v4_rcv+0x10/0x10\n[ 286.490813][ C0] ? __pfx_raw_local_deliver+0x10/0x10\n[ 286.491487][ C0] ? __pfx_nf_confirm+0x10/0x10 [nf_conntrack]\n[ 286.492275][ C0] ? rcu_is_watching+0x11/0xb0\n[ 286.492900][ C0] ip_protocol_deliver_rcu+0x8f/0x370\n[ 286.493579][ C0] ip_local_deliver_finish+0x297/0x420\n[ 286.494268][ C0] ip_local_deliver+0x168/0x430\n[ 286.494867][ C0] ? __pfx_ip_local_deliver+0x10/0x10\n[ 286.495498][ C0] ? __pfx_ip_local_deliver_finish+0x10/0x10\n[ 286.496204][ C0] ? ip_rcv_finish_core+0x19a/0x1f20\n[ 286.496806][ C0] ? lock_release+0x217/0x2c0\n[ 286.497414][ C0] ip_rcv+0x455/0x6e0\n[ 286.497945][ C0] ? __pfx_ip_rcv+0x10/0x10\n[ \n---truncated---"
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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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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"baseScore": 7.5,
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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:N - The vulnerable code is in the in-kernel NVMe-over-TCP target (nvmet-tcp), driven entirely by an inbound TCP connection to the exported NVMe port; the trigger is a remote peer's TLS handshake behavior plus subsequent TCP segments/FIN. No local access is needed.\nAC:L - The attacker controls both sides — deliberately failing (or stalling) the TLS handshake reliably NULLs the socket callbacks, and streaming data or sending a FIN during the multi-millisecond teardown window reliably lands the NULL indirect call, with unlimited retries across new connections.\nPR:N - The bug is reached precisely because the TLS handshake never succeeded, so the attacker is unauthenticated at both the TLS and NVMe-oF layers; no credentials, keys, or host authorization are required to reach nvmet_tcp_alloc_queue() and the failure path.\nUI:N - Exploitation requires only that the attacker open a TCP connection to the NVMe target port; no action by any local user or administrator on the victim is needed.\nS:U - The NULL function-pointer dereference occurs in kernel softirq context and affects only the kernel's own security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:N - The defect is a call through a NULL function pointer with no out-of-bounds or freed memory access, giving the attacker no read primitive and disclosing no kernel data.\nI:N - No memory is corrupted and no attacker-controlled write occurs — the socket callback fields are only set to NULL by the kernel itself, providing no path to modify kernel data or hijack control flow.\nA:H - The NULL instruction fetch oopses inside softirq/IRQ context (tcp_fin/tcp_data_queue), producing a kernel oops-in-interrupt that panics the machine or wedges network processing, and it can be re-triggered at will by a remote unauthenticated peer."
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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/nvme/target/tcp.c"
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],
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"versions": [
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{
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"version": "872d26a391da92ed8f0c0f5cb5fef428067b7f30",
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"lessThan": "6265538446e2426f4bf3b57e91d7680b2047ddd9",
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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": "872d26a391da92ed8f0c0f5cb5fef428067b7f30",
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"lessThan": "17e58be5b49f58bf17799a504f55c2d05ab2ecdc",
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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": "872d26a391da92ed8f0c0f5cb5fef428067b7f30",
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"lessThan": "fc01b547c3f8bfa6e1d23cd5a2c63c736e8c3e4e",
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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": "872d26a391da92ed8f0c0f5cb5fef428067b7f30",
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"lessThan": "c240375587ddcc80e1022f52ee32b946bbc3a639",
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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": "872d26a391da92ed8f0c0f5cb5fef428067b7f30",
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"lessThan": "3a982ada411b8c52695f1784c3f4784771f30209",
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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": "872d26a391da92ed8f0c0f5cb5fef428067b7f30",
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"lessThan": "ec462449f4cf616b0aa2ed119f5f44b5fdfcefab",
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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": "872d26a391da92ed8f0c0f5cb5fef428067b7f30",
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"lessThan": "a21cb31642ffc84ca4ce55028212a96f72f54d30",
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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": "872d26a391da92ed8f0c0f5cb5fef428067b7f30",
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"lessThan": "46d22b47df2741996af277a2838b95f130436c13",
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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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"drivers/nvme/target/tcp.c"
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],
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"versions": [
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{
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"version": "5.0",
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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": "5.0",
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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": "5.4.294",
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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": "5.10.238",
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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": "5.15.185",
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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": "6.1.141",
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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": "6.6.93",
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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": "6.12.31",
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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": "6.14.9",
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"lessThanOrEqual": "6.14.*",
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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",
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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": "5.0",
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"versionEndExcluding": "5.4.294"
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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": "5.0",
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"versionEndExcluding": "5.10.238"
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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": "5.0",
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"versionEndExcluding": "5.15.185"
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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": "5.0",
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"versionEndExcluding": "6.1.141"
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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": "5.0",
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"versionEndExcluding": "6.6.93"
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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": "5.0",
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"versionEndExcluding": "6.12.31"
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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": "5.0",
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"versionEndExcluding": "6.14.9"
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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": "5.0",
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"versionEndExcluding": "6.15"
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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/6265538446e2426f4bf3b57e91d7680b2047ddd9"
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},
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{
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"url": "https://git.kernel.org/stable/c/17e58be5b49f58bf17799a504f55c2d05ab2ecdc"
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},
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{
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"url": "https://git.kernel.org/stable/c/fc01b547c3f8bfa6e1d23cd5a2c63c736e8c3e4e"
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},
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{
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"url": "https://git.kernel.org/stable/c/c240375587ddcc80e1022f52ee32b946bbc3a639"
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},
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{
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"url": "https://git.kernel.org/stable/c/3a982ada411b8c52695f1784c3f4784771f30209"
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},
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{
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"url": "https://git.kernel.org/stable/c/ec462449f4cf616b0aa2ed119f5f44b5fdfcefab"
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},
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{
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"url": "https://git.kernel.org/stable/c/a21cb31642ffc84ca4ce55028212a96f72f54d30"
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},
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{
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"url": "https://git.kernel.org/stable/c/46d22b47df2741996af277a2838b95f130436c13"
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}
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],
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"title": "nvmet-tcp: don't restore null sk_state_change",
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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": "2025-11-03T17:33:14.487Z"
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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-2025-38035",
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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": "yes"
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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": "2026-10-15T21:46:51.342983Z"
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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": "2026-10-15T21:52:06.653Z"
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}
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}
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]
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}
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} |