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vuln-cve/data/2023/53xxx/CVE-2023-53342.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2023-53342",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2025-09-16T16:08:59.565Z",
"datePublished": "2025-09-17T14:56:35.574Z",
"dateUpdated": "2026-05-11T19:43:05.663Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T19:43:05.663Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: marvell: prestera: fix handling IPv4 routes with nhid\n\nFix handling IPv4 routes referencing a nexthop via its id by replacing\ncalls to fib_info_nh() with fib_info_nhc().\n\nTrying to add an IPv4 route referencing a nextop via nhid:\n\n $ ip link set up swp5\n $ ip a a 10.0.0.1/24 dev swp5\n $ ip nexthop add dev swp5 id 20 via 10.0.0.2\n $ ip route add 10.0.1.0/24 nhid 20\n\ntriggers warnings when trying to handle the route:\n\n[ 528.805763] ------------[ cut here ]------------\n[ 528.810437] WARNING: CPU: 3 PID: 53 at include/net/nexthop.h:468 __prestera_fi_is_direct+0x2c/0x68 [prestera]\n[ 528.820434] Modules linked in: prestera_pci act_gact act_police sch_ingress cls_u32 cls_flower prestera arm64_delta_tn48m_dn_led(O) arm64_delta_tn48m_dn_cpld(O) [last unloaded: prestera_pci]\n[ 528.837485] CPU: 3 PID: 53 Comm: kworker/u8:3 Tainted: G O 6.4.5 #1\n[ 528.845178] Hardware name: delta,tn48m-dn (DT)\n[ 528.849641] Workqueue: prestera_ordered __prestera_router_fib_event_work [prestera]\n[ 528.857352] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[ 528.864347] pc : __prestera_fi_is_direct+0x2c/0x68 [prestera]\n[ 528.870135] lr : prestera_k_arb_fib_evt+0xb20/0xd50 [prestera]\n[ 528.876007] sp : ffff80000b20bc90\n[ 528.879336] x29: ffff80000b20bc90 x28: 0000000000000000 x27: ffff0001374d3a48\n[ 528.886510] x26: ffff000105604000 x25: ffff000134af8a28 x24: ffff0001374d3800\n[ 528.893683] x23: ffff000101c89148 x22: ffff000101c89000 x21: ffff000101c89200\n[ 528.900855] x20: ffff00013641fda0 x19: ffff800009d01088 x18: 0000000000000059\n[ 528.908027] x17: 0000000000000277 x16: 0000000000000000 x15: 0000000000000000\n[ 528.915198] x14: 0000000000000003 x13: 00000000000fe400 x12: 0000000000000000\n[ 528.922371] x11: 0000000000000002 x10: 0000000000000aa0 x9 : ffff8000013d2020\n[ 528.929543] x8 : 0000000000000018 x7 : 000000007b1703f8 x6 : 000000001ca72f86\n[ 528.936715] x5 : 0000000033399ea7 x4 : 0000000000000000 x3 : ffff0001374d3acc\n[ 528.943886] x2 : 0000000000000000 x1 : ffff00010200de00 x0 : ffff000134ae3f80\n[ 528.951058] Call trace:\n[ 528.953516] __prestera_fi_is_direct+0x2c/0x68 [prestera]\n[ 528.958952] __prestera_router_fib_event_work+0x100/0x158 [prestera]\n[ 528.965348] process_one_work+0x208/0x488\n[ 528.969387] worker_thread+0x4c/0x430\n[ 528.973068] kthread+0x120/0x138\n[ 528.976313] ret_from_fork+0x10/0x20\n[ 528.979909] ---[ end trace 0000000000000000 ]---\n[ 528.984998] ------------[ cut here ]------------\n[ 528.989645] WARNING: CPU: 3 PID: 53 at include/net/nexthop.h:468 __prestera_fi_is_direct+0x2c/0x68 [prestera]\n[ 528.999628] Modules linked in: prestera_pci act_gact act_police sch_ingress cls_u32 cls_flower prestera arm64_delta_tn48m_dn_led(O) arm64_delta_tn48m_dn_cpld(O) [last unloaded: prestera_pci]\n[ 529.016676] CPU: 3 PID: 53 Comm: kworker/u8:3 Tainted: G W O 6.4.5 #1\n[ 529.024368] Hardware name: delta,tn48m-dn (DT)\n[ 529.028830] Workqueue: prestera_ordered __prestera_router_fib_event_work [prestera]\n[ 529.036539] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[ 529.043533] pc : __prestera_fi_is_direct+0x2c/0x68 [prestera]\n[ 529.049318] lr : __prestera_k_arb_fc_apply+0x280/0x2f8 [prestera]\n[ 529.055452] sp : ffff80000b20bc60\n[ 529.058781] x29: ffff80000b20bc60 x28: 0000000000000000 x27: ffff0001374d3a48\n[ 529.065953] x26: ffff000105604000 x25: ffff000134af8a28 x24: ffff0001374d3800\n[ 529.073126] x23: ffff000101c89148 x22: ffff000101c89148 x21: ffff00013641fda0\n[ 529.080299] x20: ffff000101c89000 x19: ffff000101c89020 x18: 0000000000000059\n[ 529.087471] x17: 0000000000000277 x16: 0000000000000000 x15: 0000000000000000\n[ 529.094642] x14: 0000000000000003 x13: 00000000000fe400 x12: 0000000000000000\n[ 529.101814] x11: 0000000000000002 x10: 0000000000000aa0 x9 : ffff8000013cee80\n[ 529.108985] x8 : 0000000000000018 x7 : 000000007b1703f8 x6 \n---truncated---"
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/ethernet/marvell/prestera/prestera_router.c"
],
"versions": [
{
"version": "396b80cb5cc8006a488ea25ef84fae245dc1b43c",
"lessThan": "a3e5f3b7f25d7b90f3b76d98a946fec6e5f79216",
"status": "affected",
"versionType": "git"
},
{
"version": "396b80cb5cc8006a488ea25ef84fae245dc1b43c",
"lessThan": "8373dca3c1f8a203cecebe3421dbe890c4f08e16",
"status": "affected",
"versionType": "git"
},
{
"version": "396b80cb5cc8006a488ea25ef84fae245dc1b43c",
"lessThan": "2aa71b4b294ee2c3041d085404cea914be9b3225",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/ethernet/marvell/prestera/prestera_router.c"
],
"versions": [
{
"version": "6.1",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.1",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.46",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.4.11",
"lessThanOrEqual": "6.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.5",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.1",
"versionEndExcluding": "6.1.46"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.1",
"versionEndExcluding": "6.4.11"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.1",
"versionEndExcluding": "6.5"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/a3e5f3b7f25d7b90f3b76d98a946fec6e5f79216"
},
{
"url": "https://git.kernel.org/stable/c/8373dca3c1f8a203cecebe3421dbe890c4f08e16"
},
{
"url": "https://git.kernel.org/stable/c/2aa71b4b294ee2c3041d085404cea914be9b3225"
}
],
"title": "net: marvell: prestera: fix handling IPv4 routes with nhid",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.5,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
}
},
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2023-53342",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-01-14T18:39:02.029523Z"
}
}
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"type": "CWE",
"description": "CWE-noinfo Not enough information"
}
]
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-01-14T18:43:02.092Z"
}
}
]
}
}
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