242 lines
14 KiB
JSON
242 lines
14 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-2022-49695",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2025-02-26T02:21:30.442Z",
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"datePublished": "2025-02-26T02:24:17.545Z",
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"dateUpdated": "2026-08-05T08:56:02.567Z"
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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": "2026-08-05T08:56:02.567Z"
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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\nigb: fix a use-after-free issue in igb_clean_tx_ring\n\nFix the following use-after-free bug in igb_clean_tx_ring routine when\nthe NIC is running in XDP mode. The issue can be triggered redirecting\ntraffic into the igb NIC and then closing the device while the traffic\nis flowing.\n\n[ 73.322719] CPU: 1 PID: 487 Comm: xdp_redirect Not tainted 5.18.3-apu2 #9\n[ 73.330639] Hardware name: PC Engines APU2/APU2, BIOS 4.0.7 02/28/2017\n[ 73.337434] RIP: 0010:refcount_warn_saturate+0xa7/0xf0\n[ 73.362283] RSP: 0018:ffffc9000081f798 EFLAGS: 00010282\n[ 73.367761] RAX: 0000000000000000 RBX: ffffc90000420f80 RCX: 0000000000000000\n[ 73.375200] RDX: ffff88811ad22d00 RSI: ffff88811ad171e0 RDI: ffff88811ad171e0\n[ 73.382590] RBP: 0000000000000900 R08: ffffffff82298f28 R09: 0000000000000058\n[ 73.390008] R10: 0000000000000219 R11: ffffffff82280f40 R12: 0000000000000090\n[ 73.397356] R13: ffff888102343a40 R14: ffff88810359e0e4 R15: 0000000000000000\n[ 73.404806] FS: 00007ff38d31d740(0000) GS:ffff88811ad00000(0000) knlGS:0000000000000000\n[ 73.413129] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 73.419096] CR2: 000055cff35f13f8 CR3: 0000000106391000 CR4: 00000000000406e0\n[ 73.426565] Call Trace:\n[ 73.429087] <TASK>\n[ 73.431314] igb_clean_tx_ring+0x43/0x140 [igb]\n[ 73.436002] igb_down+0x1d7/0x220 [igb]\n[ 73.439974] __igb_close+0x3c/0x120 [igb]\n[ 73.444118] igb_xdp+0x10c/0x150 [igb]\n[ 73.447983] ? igb_pci_sriov_configure+0x70/0x70 [igb]\n[ 73.453362] dev_xdp_install+0xda/0x110\n[ 73.457371] dev_xdp_attach+0x1da/0x550\n[ 73.461369] do_setlink+0xfd0/0x10f0\n[ 73.465166] ? __nla_validate_parse+0x89/0xc70\n[ 73.469714] rtnl_setlink+0x11a/0x1e0\n[ 73.473547] rtnetlink_rcv_msg+0x145/0x3d0\n[ 73.477709] ? rtnl_calcit.isra.0+0x130/0x130\n[ 73.482258] netlink_rcv_skb+0x8d/0x110\n[ 73.486229] netlink_unicast+0x230/0x340\n[ 73.490317] netlink_sendmsg+0x215/0x470\n[ 73.494395] __sys_sendto+0x179/0x190\n[ 73.498268] ? move_addr_to_user+0x37/0x70\n[ 73.502547] ? __sys_getsockname+0x84/0xe0\n[ 73.506853] ? netlink_setsockopt+0x1c1/0x4a0\n[ 73.511349] ? __sys_setsockopt+0xc8/0x1d0\n[ 73.515636] __x64_sys_sendto+0x20/0x30\n[ 73.519603] do_syscall_64+0x3b/0x80\n[ 73.523399] entry_SYSCALL_64_after_hwframe+0x44/0xae\n[ 73.528712] RIP: 0033:0x7ff38d41f20c\n[ 73.551866] RSP: 002b:00007fff3b945a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c\n[ 73.559640] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff38d41f20c\n[ 73.567066] RDX: 0000000000000034 RSI: 00007fff3b945b30 RDI: 0000000000000003\n[ 73.574457] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000\n[ 73.581852] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff3b945ab0\n[ 73.589179] R13: 0000000000000000 R14: 0000000000000003 R15: 00007fff3b945b30\n[ 73.596545] </TASK>\n[ 73.598842] ---[ end trace 0000000000000000 ]---"
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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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 7.8,
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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:L - The UAF is triggered via local rtnetlink (RTM_SETLINK/XDP attach-detach or interface down) calling igb_clean_tx_ring, not by processing remote packets; the packet TX completion path already handled XDP frames correctly.\nAC:L - An attacker who can configure XDP redirect into the igb device and then close or reconfigure it controls both preconditions and can reliably hit the deterministic type-confused free of pending xdp_frame objects.\nPR:L - Triggering requires CAP_NET_ADMIN to attach/detach XDP or bring the igb interface down via rtnetlink; per kernel CNA guidance this is Low, not full root-only High, matching similar XDP configuration UAF scores.\nUI:N - Exploitation is performed entirely by the attacker’s own netlink/XDP operations; no separate victim user action is required.\nS:U - This is a standard in-kernel use-after-free in the igb driver leading to privilege escalation within the same kernel security authority, with no VM/IOMMU boundary crossing.\nC:H - Use-after-free via freeing an xdp_frame as an sk_buff enables heap corruption and attacker control over freed object contents, which can be leveraged for arbitrary kernel memory disclosure.\nI:H - The type-confused free/UAF provides a memory corruption primitive suitable for heap spraying and control-flow hijacking, enabling arbitrary kernel writes or code execution.\nA:H - The bug produces kernel warnings/oopses (refcount_warn_saturate in the report) and use-after-free crashes when the device is closed with XDP frames on the TX ring."
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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/net/ethernet/intel/igb/igb_main.c"
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],
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"versions": [
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{
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"version": "9cbc948b5a20c9c054d9631099c0426c16da546b",
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"lessThan": "c12a2c9b1b460ed72e6b3c33aac1ef51b0329b66",
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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": "9cbc948b5a20c9c054d9631099c0426c16da546b",
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"lessThan": "2af944210dc23d43d8208dafac4df7be7e3c168b",
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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": "9cbc948b5a20c9c054d9631099c0426c16da546b",
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"lessThan": "68a0ed06dcd5d3ea732d011c0b83d66e4791f521",
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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": "9cbc948b5a20c9c054d9631099c0426c16da546b",
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"lessThan": "3f6a57ee8544ec3982f8a3cbcbf4aea7d47eb9ec",
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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/net/ethernet/intel/igb/igb_main.c"
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],
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"versions": [
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{
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"version": "5.10",
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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": "5.10",
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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": "5.10.127",
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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": "5.15.51",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.18.8",
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"lessThanOrEqual": "5.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.19",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.10",
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"versionEndExcluding": "5.10.127"
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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": "5.10",
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"versionEndExcluding": "5.15.51"
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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": "5.10",
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"versionEndExcluding": "5.18.8"
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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": "5.10",
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"versionEndExcluding": "5.19"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/c12a2c9b1b460ed72e6b3c33aac1ef51b0329b66"
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},
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{
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"url": "https://git.kernel.org/stable/c/2af944210dc23d43d8208dafac4df7be7e3c168b"
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},
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{
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"url": "https://git.kernel.org/stable/c/68a0ed06dcd5d3ea732d011c0b83d66e4791f521"
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},
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{
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"url": "https://git.kernel.org/stable/c/3f6a57ee8544ec3982f8a3cbcbf4aea7d47eb9ec"
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}
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],
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"title": "igb: fix a use-after-free issue in igb_clean_tx_ring",
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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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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 7.8,
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"attackVector": "LOCAL",
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"baseSeverity": "HIGH",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"integrityImpact": "HIGH",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "HIGH",
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"privilegesRequired": "LOW",
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"confidentialityImpact": "HIGH"
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}
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},
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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-2022-49695",
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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": "total"
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}
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],
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"version": "2.0.3",
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"timestamp": "2025-02-27T18:15:05.537306Z"
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}
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}
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"type": "CWE",
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"cweId": "CWE-416",
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"description": "CWE-416 Use After Free"
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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": "2025-02-27T18:22:30.994Z"
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}
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}
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]
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}
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} |