204 lines
12 KiB
JSON
204 lines
12 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-2022-50004",
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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": "2025-06-18T10:57:27.387Z",
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"datePublished": "2025-06-18T11:01:09.684Z",
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"dateUpdated": "2026-11-05T20:00:13.477Z"
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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": "2026-05-23T15:23:33.412Z"
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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\nxfrm: policy: fix metadata dst->dev xmit null pointer dereference\n\nWhen we try to transmit an skb with metadata_dst attached (i.e. dst->dev\n== NULL) through xfrm interface we can hit a null pointer dereference[1]\nin xfrmi_xmit2() -> xfrm_lookup_with_ifid() due to the check for a\nloopback skb device when there's no policy which dereferences dst->dev\nunconditionally. Not having dst->dev can be interepreted as it not being\na loopback device, so just add a check for a null dst_orig->dev.\n\nWith this fix xfrm interface's Tx error counters go up as usual.\n\n[1] net-next calltrace captured via netconsole:\n BUG: kernel NULL pointer dereference, address: 00000000000000c0\n #PF: supervisor read access in kernel mode\n #PF: error_code(0x0000) - not-present page\n PGD 0 P4D 0\n Oops: 0000 [#1] PREEMPT SMP\n CPU: 1 PID: 7231 Comm: ping Kdump: loaded Not tainted 5.19.0+ #24\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.0-1.fc36 04/01/2014\n RIP: 0010:xfrm_lookup_with_ifid+0x5eb/0xa60\n Code: 8d 74 24 38 e8 26 a4 37 00 48 89 c1 e9 12 fc ff ff 49 63 ed 41 83 fd be 0f 85 be 01 00 00 41 be ff ff ff ff 45 31 ed 48 8b 03 <f6> 80 c0 00 00 00 08 75 0f 41 80 bc 24 19 0d 00 00 01 0f 84 1e 02\n RSP: 0018:ffffb0db82c679f0 EFLAGS: 00010246\n RAX: 0000000000000000 RBX: ffffd0db7fcad430 RCX: ffffb0db82c67a10\n RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffb0db82c67a80\n RBP: ffffb0db82c67a80 R08: ffffb0db82c67a14 R09: 0000000000000000\n R10: 0000000000000000 R11: ffff8fa449667dc8 R12: ffffffff966db880\n R13: 0000000000000000 R14: 00000000ffffffff R15: 0000000000000000\n FS: 00007ff35c83f000(0000) GS:ffff8fa478480000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 00000000000000c0 CR3: 000000001ebb7000 CR4: 0000000000350ee0\n Call Trace:\n <TASK>\n xfrmi_xmit+0xde/0x460\n ? tcf_bpf_act+0x13d/0x2a0\n dev_hard_start_xmit+0x72/0x1e0\n __dev_queue_xmit+0x251/0xd30\n ip_finish_output2+0x140/0x550\n ip_push_pending_frames+0x56/0x80\n raw_sendmsg+0x663/0x10a0\n ? try_charge_memcg+0x3fd/0x7a0\n ? __mod_memcg_lruvec_state+0x93/0x110\n ? sock_sendmsg+0x30/0x40\n sock_sendmsg+0x30/0x40\n __sys_sendto+0xeb/0x130\n ? handle_mm_fault+0xae/0x280\n ? do_user_addr_fault+0x1e7/0x680\n ? kvm_read_and_reset_apf_flags+0x3b/0x50\n __x64_sys_sendto+0x20/0x30\n do_syscall_64+0x34/0x80\n entry_SYSCALL_64_after_hwframe+0x46/0xb0\n RIP: 0033:0x7ff35cac1366\n Code: eb 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 11 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 72 c3 90 55 48 83 ec 30 44 89 4c 24 2c 4c 89\n RSP: 002b:00007fff738e4028 EFLAGS: 00000246 ORIG_RAX: 000000000000002c\n RAX: ffffffffffffffda RBX: 00007fff738e57b0 RCX: 00007ff35cac1366\n RDX: 0000000000000040 RSI: 0000557164e4b450 RDI: 0000000000000003\n RBP: 0000557164e4b450 R08: 00007fff738e7a2c R09: 0000000000000010\n R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000040\n R13: 00007fff738e5770 R14: 00007fff738e4030 R15: 0000001d00000001\n </TASK>\n Modules linked in: netconsole veth br_netfilter bridge bonding virtio_net [last unloaded: netconsole]\n CR2: 00000000000000c0"
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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/xfrm/xfrm_policy.c"
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],
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"versions": [
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{
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"version": "5b7f84b1f9f46327360a64c529433fa0d68cc3f4",
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"lessThan": "2761612bcde9776dd93ce60ce55ef0b7c7329153",
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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": "2d151d39073aff498358543801fca0f670fea981",
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"lessThan": "96f2758a6d028d1ac08616de9c3c7ff2a122ecf1",
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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": "2d151d39073aff498358543801fca0f670fea981",
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"lessThan": "e26d676c1f9f335510780b566a10475c47ce03d0",
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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": "2d151d39073aff498358543801fca0f670fea981",
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"lessThan": "17ecd4a4db4783392edd4944f5e8268205083f70",
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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": "5.10.118",
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"lessThan": "5.10.140",
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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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"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/xfrm/xfrm_policy.c"
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],
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"versions": [
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{
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"version": "5.15",
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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": "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": "5.10.140",
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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": "5.15.64",
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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": "5.19.6",
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"lessThanOrEqual": "5.19.*",
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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": "6.0",
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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": "5.10.118",
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"versionEndExcluding": "5.10.140"
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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": "5.15",
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"versionEndExcluding": "5.15.64"
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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": "5.15",
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"versionEndExcluding": "5.19.6"
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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": "5.15",
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"versionEndExcluding": "6.0"
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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/2761612bcde9776dd93ce60ce55ef0b7c7329153"
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},
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{
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"url": "https://git.kernel.org/stable/c/96f2758a6d028d1ac08616de9c3c7ff2a122ecf1"
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},
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{
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"url": "https://git.kernel.org/stable/c/e26d676c1f9f335510780b566a10475c47ce03d0"
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},
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{
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"url": "https://git.kernel.org/stable/c/17ecd4a4db4783392edd4944f5e8268205083f70"
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}
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],
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"title": "xfrm: policy: fix metadata dst->dev xmit null pointer dereference",
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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-2022-50004",
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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": "2026-11-05T19:52:46.172884Z"
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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": "2026-11-05T20:00:13.477Z"
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}
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}
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]
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}
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} |