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vuln-cve/data/2025/38xxx/CVE-2025-38704.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2025-38704",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2025-04-16T04:51:24.032Z",
"datePublished": "2025-09-04T15:32:55.718Z",
"dateUpdated": "2026-11-10T12:36:33.468Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T21:33:22.349Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrcu/nocb: Fix possible invalid rdp's->nocb_cb_kthread pointer access\n\nIn the preparation stage of CPU online, if the corresponding\nthe rdp's->nocb_cb_kthread does not exist, will be created,\nthere is a situation where the rdp's rcuop kthreads creation fails,\nand then de-offload this CPU's rdp, does not assign this CPU's\nrdp->nocb_cb_kthread pointer, but this rdp's->nocb_gp_rdp and\nrdp's->rdp_gp->nocb_gp_kthread is still valid.\n\nThis will cause the subsequent re-offload operation of this offline\nCPU, which will pass the conditional check and the kthread_unpark()\nwill access invalid rdp's->nocb_cb_kthread pointer.\n\nThis commit therefore use rdp's->nocb_gp_kthread instead of\nrdp_gp's->nocb_gp_kthread for safety check."
}
],
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"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"kernel/rcu/tree_nocb.h"
],
"versions": [
{
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"status": "affected",
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"status": "affected",
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"lessThan": "1c951683a720b17c9ecaad1932bc95b29044611f",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
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],
"versions": [
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"status": "affected"
},
{
"version": "0",
"lessThan": "6.0",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.167",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
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"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.43",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.15.11",
"lessThanOrEqual": "6.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.16.2",
"lessThanOrEqual": "6.16.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.17",
"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": "6.0",
"versionEndExcluding": "6.1.167"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "6.6.130"
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{
"vulnerable": true,
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"versionStartIncluding": "6.0",
"versionEndExcluding": "6.15.11"
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{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.0",
"versionEndExcluding": "6.16.2"
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{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.0",
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"references": [
{
"url": "https://git.kernel.org/stable/c/b097ae798298885695c339d390b48b4e39619fa7"
},
{
"url": "https://git.kernel.org/stable/c/3da45ec1e485a1a5ad31fe9ddd467c7ee5ae4ef9"
},
{
"url": "https://git.kernel.org/stable/c/cce3d027227c69e85896af9fbc6fa9af5c68f067"
},
{
"url": "https://git.kernel.org/stable/c/1c951683a720b17c9ecaad1932bc95b29044611f"
},
{
"url": "https://git.kernel.org/stable/c/9b5ec8e6b31755288a07b3abeeab8cd38e9d3c9d"
},
{
"url": "https://git.kernel.org/stable/c/1bba3900ca18bdae28d1b9fa10f16a8f8cb2ada1"
}
],
"title": "rcu/nocb: Fix possible invalid rdp's->nocb_cb_kthread pointer access",
"x_generator": {
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