298 lines
15 KiB
JSON
298 lines
15 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-2022-48962",
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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": "2024-08-22T01:27:53.628Z",
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"datePublished": "2024-10-21T20:05:46.514Z",
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"dateUpdated": "2026-08-05T08:53:09.824Z"
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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": "2026-08-05T08:53:09.824Z"
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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: hisilicon: Fix potential use-after-free in hisi_femac_rx()\n\nThe skb is delivered to napi_gro_receive() which may free it, after\ncalling this, dereferencing skb may trigger use-after-free."
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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:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 8.8,
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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:A - The bug is in the Hisilicon FEMAC Fast Ethernet MAC RX path (hisi_femac_rx), reached when frames arrive on the L2 Ethernet segment of Hi3516CV300 and similar SoCs; an attacker must be on the same LAN/broadcast domain to deliver those frames, matching Adjacent scoring for Ethernet NIC RX UAFs of this class.\nAC:L - An adjacent peer can reliably force GRO merge (GRO_MERGED_FREE) by bursting same-flow TCP segments so napi_gro_receive() frees the skb before the immediate skb->len read; no attacker-uncontrollable race or rare config is required.\nPR:N - Frame delivery runs in softirq/NAPI with no host authentication or capability check; any unauthenticated peer that can put Ethernet frames on the wire triggers the path.\nUI:N - RX interrupt and NAPI processing run automatically once the interface is up; no victim action such as opening a file or confirming a prompt is required.\nS:U - The use-after-free corrupts host-kernel sk_buff heap state within the same OS security authority and does not cross a VM, IOMMU, or sandbox boundary.\nC:H - This is a heap use-after-free of an sk_buff after napi_gro_receive may free it; reclaiming the general-purpose slab object enables disclosure of reused kernel memory via the dangling skb->len read, scored High per UAF guidance.\nI:H - sk_buff use-after-free in a general-purpose slab is a classic heap-grooming primitive that can yield attacker-controlled object reuse and control-flow hijacking, so integrity impact is High per kernel UAF scoring guidance.\nA:H - Dereferencing a freed sk_buff can oops/panic the kernel, and an adjacent attacker can repeatedly inject frames to crash the host at will."
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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/hisilicon/hisi_femac.c"
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],
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"versions": [
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{
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"version": "542ae60af24f02e130e62cb3b7c23163a2350056",
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"lessThan": "3501da8eb6d0f5f114a09ec953c54423f6f35885",
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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": "542ae60af24f02e130e62cb3b7c23163a2350056",
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"lessThan": "196e12671cb629d9f3b77b4d8bec854fc445533a",
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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": "542ae60af24f02e130e62cb3b7c23163a2350056",
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"lessThan": "aceec8ab752428d8e151321479e82cc1a40fee2e",
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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": "542ae60af24f02e130e62cb3b7c23163a2350056",
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"lessThan": "e71a46cc8c9ad75f3bb0e4b361e81f79c0214cca",
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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": "542ae60af24f02e130e62cb3b7c23163a2350056",
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"lessThan": "296a50aa8b2982117520713edc1375777a9f8506",
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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": "542ae60af24f02e130e62cb3b7c23163a2350056",
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"lessThan": "6f4798ac9c9e98f41553c4f5e6c832c8860a6942",
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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": "542ae60af24f02e130e62cb3b7c23163a2350056",
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"lessThan": "8595a2db8eb0ffcbb466eb9f4a7507a5ba06ebb9",
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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": "542ae60af24f02e130e62cb3b7c23163a2350056",
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"lessThan": "4640177049549de1a43e9bc49265f0cdfce08cfd",
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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/hisilicon/hisi_femac.c"
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],
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"versions": [
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{
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"version": "4.8",
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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": "4.8",
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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": "4.9.336",
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"lessThanOrEqual": "4.9.*",
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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": "4.14.302",
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"lessThanOrEqual": "4.14.*",
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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": "4.19.269",
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"lessThanOrEqual": "4.19.*",
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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": "5.4.227",
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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": "5.10.159",
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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": "5.15.83",
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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": "6.0.13",
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"lessThanOrEqual": "6.0.*",
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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": "6.1",
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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": "4.8",
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"versionEndExcluding": "4.9.336"
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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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"references": [
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{
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"url": "https://git.kernel.org/stable/c/3501da8eb6d0f5f114a09ec953c54423f6f35885"
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},
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{
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"url": "https://git.kernel.org/stable/c/196e12671cb629d9f3b77b4d8bec854fc445533a"
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},
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{
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"url": "https://git.kernel.org/stable/c/aceec8ab752428d8e151321479e82cc1a40fee2e"
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},
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{
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"url": "https://git.kernel.org/stable/c/e71a46cc8c9ad75f3bb0e4b361e81f79c0214cca"
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},
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{
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"url": "https://git.kernel.org/stable/c/296a50aa8b2982117520713edc1375777a9f8506"
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},
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{
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"url": "https://git.kernel.org/stable/c/6f4798ac9c9e98f41553c4f5e6c832c8860a6942"
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},
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{
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"url": "https://git.kernel.org/stable/c/8595a2db8eb0ffcbb466eb9f4a7507a5ba06ebb9"
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},
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{
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"url": "https://git.kernel.org/stable/c/4640177049549de1a43e9bc49265f0cdfce08cfd"
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}
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],
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"title": "net: hisilicon: Fix potential use-after-free in hisi_femac_rx()",
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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-2022-48962",
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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": "2024-10-22T13:20:14.894557Z"
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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": "2024-10-22T13:28:38.998Z"
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}
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}
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]
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}
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} |