398 lines
19 KiB
JSON
398 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-2022-48651",
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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": "2024-02-25T13:44:28.317Z",
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"datePublished": "2024-04-28T13:00:42.929Z",
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"dateUpdated": "2026-05-11T18:44:30.072Z"
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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": "2026-05-11T18:44:30.072Z"
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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\nipvlan: Fix out-of-bound bugs caused by unset skb->mac_header\n\nIf an AF_PACKET socket is used to send packets through ipvlan and the\ndefault xmit function of the AF_PACKET socket is changed from\ndev_queue_xmit() to packet_direct_xmit() via setsockopt() with the option\nname of PACKET_QDISC_BYPASS, the skb->mac_header may not be reset and\nremains as the initial value of 65535, this may trigger slab-out-of-bounds\nbugs as following:\n\n=================================================================\nUG: KASAN: slab-out-of-bounds in ipvlan_xmit_mode_l2+0xdb/0x330 [ipvlan]\nPU: 2 PID: 1768 Comm: raw_send Kdump: loaded Not tainted 6.0.0-rc4+ #6\nardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-1.fc33\nall Trace:\nprint_address_description.constprop.0+0x1d/0x160\nprint_report.cold+0x4f/0x112\nkasan_report+0xa3/0x130\nipvlan_xmit_mode_l2+0xdb/0x330 [ipvlan]\nipvlan_start_xmit+0x29/0xa0 [ipvlan]\n__dev_direct_xmit+0x2e2/0x380\npacket_direct_xmit+0x22/0x60\npacket_snd+0x7c9/0xc40\nsock_sendmsg+0x9a/0xa0\n__sys_sendto+0x18a/0x230\n__x64_sys_sendto+0x74/0x90\ndo_syscall_64+0x3b/0x90\nentry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nThe root cause is:\n 1. packet_snd() only reset skb->mac_header when sock->type is SOCK_RAW\n and skb->protocol is not specified as in packet_parse_headers()\n\n 2. packet_direct_xmit() doesn't reset skb->mac_header as dev_queue_xmit()\n\nIn this case, skb->mac_header is 65535 when ipvlan_xmit_mode_l2() is\ncalled. So when ipvlan_xmit_mode_l2() gets mac header with eth_hdr() which\nuse \"skb->head + skb->mac_header\", out-of-bound access occurs.\n\nThis patch replaces eth_hdr() with skb_eth_hdr() in ipvlan_xmit_mode_l2()\nand reset mac header in multicast to solve this out-of-bound bug."
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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/ipvlan/ipvlan_core.c"
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],
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"versions": [
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{
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"version": "2ad7bf3638411cb547f2823df08166c13ab04269",
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"status": "affected",
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},
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{
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"version": "2ad7bf3638411cb547f2823df08166c13ab04269",
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"lessThan": "25efdbe5fe542c3063d1948cc4e98abcb57621ca",
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"status": "affected",
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{
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"version": "2ad7bf3638411cb547f2823df08166c13ab04269",
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"lessThan": "346e94aa4a99378592c46d6a34c72703a32bd5be",
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"status": "affected",
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{
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"version": "2ad7bf3638411cb547f2823df08166c13ab04269",
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"status": "affected",
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{
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"status": "affected",
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{
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"status": "affected",
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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/ipvlan/ipvlan_core.c"
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],
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{
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"version": "3.19",
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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": "3.19",
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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": "4.9.330",
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"lessThanOrEqual": "4.9.*",
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"status": "unaffected",
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},
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{
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"version": "4.14.295",
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"lessThanOrEqual": "4.14.*",
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"status": "unaffected",
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},
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{
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"version": "4.19.260",
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"lessThanOrEqual": "4.19.*",
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"status": "unaffected",
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},
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{
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"version": "5.4.215",
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"lessThanOrEqual": "5.4.*",
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"status": "unaffected",
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},
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{
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"version": "5.10.146",
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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": "5.15.71",
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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": "5.19.12",
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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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"nodes": [
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"operator": "OR",
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}
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],
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"title": "ipvlan: Fix out-of-bound bugs caused by unset skb->mac_header",
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"x_generator": {
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}
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},
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{
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"title": "CISA ADP Vulnrichment",
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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": 7.7,
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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:N/UI:N/S:U/C:N/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": "NONE",
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"confidentialityImpact": "NONE"
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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-2022-48651",
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"role": "CISA Coordinator",
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"options": [
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{
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},
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"version": "2.0.3",
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"timestamp": "2024-04-30T15:57:11.904317Z"
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{
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"lang": "en",
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"type": "CWE",
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"cweId": "CWE-125",
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"description": "CWE-125 Out-of-bounds Read"
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}
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]
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