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vuln-cve/data/2026/23xxx/CVE-2026-23359.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-23359",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-01-13T15:37:46.000Z",
"datePublished": "2026-03-25T10:27:43.070Z",
"dateUpdated": "2026-11-10T12:42:42.128Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T22:05:20.650Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix stack-out-of-bounds write in devmap\n\nget_upper_ifindexes() iterates over all upper devices and writes their\nindices into an array without checking bounds.\n\nAlso the callers assume that the max number of upper devices is\nMAX_NEST_DEV and allocate excluded_devices[1+MAX_NEST_DEV] on the stack,\nbut that assumption is not correct and the number of upper devices could\nbe larger than MAX_NEST_DEV (e.g., many macvlans), causing a\nstack-out-of-bounds write.\n\nAdd a max parameter to get_upper_ifindexes() to avoid the issue.\nWhen there are too many upper devices, return -EOVERFLOW and abort the\nredirect.\n\nTo reproduce, create more than MAX_NEST_DEV(8) macvlans on a device with\nan XDP program attached using BPF_F_BROADCAST | BPF_F_EXCLUDE_INGRESS.\nThen send a packet to the device to trigger the XDP redirect path."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"kernel/bpf/devmap.c"
],
"versions": [
{
"version": "aeea1b86f9363f3feabb496534d886f082a89f21",
"lessThan": "88df604f0d16a692867582350ce3f2fcd22243f1",
"status": "affected",
"versionType": "git"
},
{
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"lessThan": "5000e40acc8d0c36ab709662e32120986ac22e7e",
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"status": "affected",
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"status": "affected",
"versionType": "git"
},
{
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"lessThan": "b7bf516c3ecd9a2aae2dc2635178ab87b734fef1",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"kernel/bpf/devmap.c"
],
"versions": [
{
"version": "5.15",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.15",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.203",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.167",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.130",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.77",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.17",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.19.7",
"lessThanOrEqual": "6.19.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.0",
"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": "5.15",
"versionEndExcluding": "5.15.203"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.15",
"versionEndExcluding": "6.1.167"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.15",
"versionEndExcluding": "6.6.130"
},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.15",
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.15",
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},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.15",
"versionEndExcluding": "6.19.7"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.15",
"versionEndExcluding": "7.0"
}
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}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/88df604f0d16a692867582350ce3f2fcd22243f1"
},
{
"url": "https://git.kernel.org/stable/c/5000e40acc8d0c36ab709662e32120986ac22e7e"
},
{
"url": "https://git.kernel.org/stable/c/8a95fb9df1105b1618872c2846a6c01e3ba20b45"
},
{
"url": "https://git.kernel.org/stable/c/d2c31d8e03d05edc16656e5ffe187f0d1da763d7"
},
{
"url": "https://git.kernel.org/stable/c/75d474702b2ba8b6bcb26eb3004dbc5e95ffd5d2"
},
{
"url": "https://git.kernel.org/stable/c/ca831567908fd3f73cf97d8a6c09a5054697a182"
},
{
"url": "https://git.kernel.org/stable/c/b7bf516c3ecd9a2aae2dc2635178ab87b734fef1"
}
],
"title": "bpf: Fix stack-out-of-bounds write in devmap",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"x_adpType": "supplier",
"providerMetadata": {
"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"shortName": "siemens-SADP",
"dateUpdated": "2026-11-10T12:42:42.128Z"
},
"affected": [
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)",
"versions": [
{
"status": "affected",
"version": "V3.1.6",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)",
"versions": [
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"version": "V3.1.5",
"lessThan": "*",
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],
"defaultStatus": "unknown"
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{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)",
"versions": [
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"lessThan": "*",
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{
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{
"metrics": [
{
"other": {
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"content": {
"id": "CVE-2026-23359",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
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}
],
"version": "2.0.3",
"timestamp": "2026-11-05T21:28:04.432394Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
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"shortName": "CISA-ADP",
"dateUpdated": "2026-11-05T21:33:42.263Z"
}
}
]
}
}
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