319 lines
17 KiB
JSON
319 lines
17 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-2025-38622",
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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": "2025-04-16T04:51:24.029Z",
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"datePublished": "2025-08-22T16:00:31.343Z",
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"dateUpdated": "2026-11-05T21:12:49.192Z"
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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": "2026-05-11T21:31:47.095Z"
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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: drop UFO packets in udp_rcv_segment()\n\nWhen sending a packet with virtio_net_hdr to tun device, if the gso_type\nin virtio_net_hdr is SKB_GSO_UDP and the gso_size is less than udphdr\nsize, below crash may happen.\n\n ------------[ cut here ]------------\n kernel BUG at net/core/skbuff.c:4572!\n Oops: invalid opcode: 0000 [#1] SMP NOPTI\n CPU: 0 UID: 0 PID: 62 Comm: mytest Not tainted 6.16.0-rc7 #203 PREEMPT(voluntary)\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\n RIP: 0010:skb_pull_rcsum+0x8e/0xa0\n Code: 00 00 5b c3 cc cc cc cc 8b 93 88 00 00 00 f7 da e8 37 44 38 00 f7 d8 89 83 88 00 00 00 48 8b 83 c8 00 00 00 5b c3 cc cc cc cc <0f> 0b 0f 0b 66 66 2e 0f 1f 84 00 000\n RSP: 0018:ffffc900001fba38 EFLAGS: 00000297\n RAX: 0000000000000004 RBX: ffff8880040c1000 RCX: ffffc900001fb948\n RDX: ffff888003e6d700 RSI: 0000000000000008 RDI: ffff88800411a062\n RBP: ffff8880040c1000 R08: 0000000000000000 R09: 0000000000000001\n R10: ffff888003606c00 R11: 0000000000000001 R12: 0000000000000000\n R13: ffff888004060900 R14: ffff888004050000 R15: ffff888004060900\n FS: 000000002406d3c0(0000) GS:ffff888084a19000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 0000000020000040 CR3: 0000000004007000 CR4: 00000000000006f0\n Call Trace:\n <TASK>\n udp_queue_rcv_one_skb+0x176/0x4b0 net/ipv4/udp.c:2445\n udp_queue_rcv_skb+0x155/0x1f0 net/ipv4/udp.c:2475\n udp_unicast_rcv_skb+0x71/0x90 net/ipv4/udp.c:2626\n __udp4_lib_rcv+0x433/0xb00 net/ipv4/udp.c:2690\n ip_protocol_deliver_rcu+0xa6/0x160 net/ipv4/ip_input.c:205\n ip_local_deliver_finish+0x72/0x90 net/ipv4/ip_input.c:233\n ip_sublist_rcv_finish+0x5f/0x70 net/ipv4/ip_input.c:579\n ip_sublist_rcv+0x122/0x1b0 net/ipv4/ip_input.c:636\n ip_list_rcv+0xf7/0x130 net/ipv4/ip_input.c:670\n __netif_receive_skb_list_core+0x21d/0x240 net/core/dev.c:6067\n netif_receive_skb_list_internal+0x186/0x2b0 net/core/dev.c:6210\n napi_complete_done+0x78/0x180 net/core/dev.c:6580\n tun_get_user+0xa63/0x1120 drivers/net/tun.c:1909\n tun_chr_write_iter+0x65/0xb0 drivers/net/tun.c:1984\n vfs_write+0x300/0x420 fs/read_write.c:593\n ksys_write+0x60/0xd0 fs/read_write.c:686\n do_syscall_64+0x50/0x1c0 arch/x86/entry/syscall_64.c:63\n </TASK>\n\nTo trigger gso segment in udp_queue_rcv_skb(), we should also set option\nUDP_ENCAP_ESPINUDP to enable udp_sk(sk)->encap_rcv. When the encap_rcv\nhook return 1 in udp_queue_rcv_one_skb(), udp_csum_pull_header() will try\nto pull udphdr, but the skb size has been segmented to gso size, which\nleads to this crash.\n\nPrevious commit cf329aa42b66 (\"udp: cope with UDP GRO packet misdirection\")\nintroduces segmentation in UDP receive path only for GRO, which was never\nintended to be used for UFO, so drop UFO packets in udp_rcv_segment()."
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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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"include/net/udp.h"
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],
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"versions": [
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{
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"version": "cf329aa42b6659204fee865bbce0ea20462552eb",
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"lessThan": "72f97d3cb791e26492236b2be7fd70d2c6222555",
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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": "cf329aa42b6659204fee865bbce0ea20462552eb",
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"lessThan": "df6ad849d59256dcc0e2234844ef9f0daf885f5c",
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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": "cf329aa42b6659204fee865bbce0ea20462552eb",
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"lessThan": "4c1022220b1b6fea802175e80444923a3bbf93a5",
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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": "cf329aa42b6659204fee865bbce0ea20462552eb",
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"lessThan": "791f32c5eab33ca3a153f8f6f763aa0df1ddc320",
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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": "cf329aa42b6659204fee865bbce0ea20462552eb",
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"lessThan": "0d45954034f8edd6d4052e0190d3d6335c37e4de",
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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": "cf329aa42b6659204fee865bbce0ea20462552eb",
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"lessThan": "c0ec2e47f1e92d69b42b17a4a1e543256778393e",
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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": "cf329aa42b6659204fee865bbce0ea20462552eb",
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"lessThan": "fc45b3f9599b657d4a64bcf423d2a977b3e13a49",
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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": "cf329aa42b6659204fee865bbce0ea20462552eb",
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"lessThan": "0c639c6479ec4480372901a5fc566f7588cf5522",
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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": "cf329aa42b6659204fee865bbce0ea20462552eb",
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"lessThan": "d46e51f1c78b9ab9323610feb14238d06d46d519",
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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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"include/net/udp.h"
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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": "5.4.297",
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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": "5.10.241",
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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": "5.15.190",
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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": "6.1.148",
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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": "6.6.102",
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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": "6.12.42",
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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": "6.15.10",
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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": "6.16.1",
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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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{
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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": "5.4.297"
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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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"versionEndExcluding": "5.10.241"
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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": "5.15.190"
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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": "6.1.148"
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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": "6.6.102"
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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": "6.12.42"
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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": "6.15.10"
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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": "5.0",
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"versionEndExcluding": "6.16.1"
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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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}
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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/72f97d3cb791e26492236b2be7fd70d2c6222555"
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},
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{
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"url": "https://git.kernel.org/stable/c/df6ad849d59256dcc0e2234844ef9f0daf885f5c"
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},
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{
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"url": "https://git.kernel.org/stable/c/4c1022220b1b6fea802175e80444923a3bbf93a5"
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},
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{
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"url": "https://git.kernel.org/stable/c/791f32c5eab33ca3a153f8f6f763aa0df1ddc320"
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},
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{
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"url": "https://git.kernel.org/stable/c/0d45954034f8edd6d4052e0190d3d6335c37e4de"
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},
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{
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"url": "https://git.kernel.org/stable/c/c0ec2e47f1e92d69b42b17a4a1e543256778393e"
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},
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{
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"url": "https://git.kernel.org/stable/c/fc45b3f9599b657d4a64bcf423d2a977b3e13a49"
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},
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{
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"url": "https://git.kernel.org/stable/c/0c639c6479ec4480372901a5fc566f7588cf5522"
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},
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{
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"url": "https://git.kernel.org/stable/c/d46e51f1c78b9ab9323610feb14238d06d46d519"
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}
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],
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"title": "net: drop UFO packets in udp_rcv_segment()",
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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": "2025-11-03T17:40:32.369Z"
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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-2025-38622",
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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": "2026-11-05T21:05:12.360041Z"
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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": "2026-11-05T21:12:49.192Z"
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}
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}
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]
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}
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} |