GHSA-435P-F446-GXF4
Vulnerability from github – Published: 2024-09-04 21:30 – Updated: 2025-11-04 00:31In the Linux kernel, the following vulnerability has been resolved:
net: hns3: fix a deadlock problem when config TC during resetting
When config TC during the reset process, may cause a deadlock, the flow is as below: pf reset start │ ▼ ...... setup tc │ │ ▼ ▼ DOWN: napi_disable() napi_disable()(skip) │ │ │ ▼ ▼ ...... ...... │ │ ▼ │ napi_enable() │ ▼ UINIT: netif_napi_del() │ ▼ ...... │ ▼ INIT: netif_napi_add() │ ▼ ...... global reset start │ │ ▼ ▼ UP: napi_enable()(skip) ...... │ │ ▼ ▼ ...... napi_disable()
In reset process, the driver will DOWN the port and then UINIT, in this case, the setup tc process will UP the port before UINIT, so cause the problem. Adds a DOWN process in UINIT to fix it.
{
"affected": [],
"aliases": [
"CVE-2024-44995"
],
"database_specific": {
"cwe_ids": [
"CWE-667"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-09-04T20:15:08Z",
"severity": "MODERATE"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hns3: fix a deadlock problem when config TC during resetting\n\nWhen config TC during the reset process, may cause a deadlock, the flow is\nas below:\n pf reset start\n \u2502\n \u25bc\n ......\nsetup tc \u2502\n \u2502 \u25bc\n \u25bc DOWN: napi_disable()\nnapi_disable()(skip) \u2502\n \u2502 \u2502\n \u25bc \u25bc\n ...... ......\n \u2502 \u2502\n \u25bc \u2502\nnapi_enable() \u2502\n \u25bc\n UINIT: netif_napi_del()\n \u2502\n \u25bc\n ......\n \u2502\n \u25bc\n INIT: netif_napi_add()\n \u2502\n \u25bc\n ...... global reset start\n \u2502 \u2502\n \u25bc \u25bc\n UP: napi_enable()(skip) ......\n \u2502 \u2502\n \u25bc \u25bc\n ...... napi_disable()\n\nIn reset process, the driver will DOWN the port and then UINIT, in this\ncase, the setup tc process will UP the port before UINIT, so cause the\nproblem. Adds a DOWN process in UINIT to fix it.",
"id": "GHSA-435p-f446-gxf4",
"modified": "2025-11-04T00:31:23Z",
"published": "2024-09-04T21:30:32Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-44995"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/195918217448a6bb7f929d6a2ffffce9f1ece1cc"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/67492d4d105c0a6321b00c393eec96b9a7a97a16"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/6ae2b7d63cd056f363045eb65409143e16f23ae8"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/be5e816d00a506719e9dbb1a9c861c5ced30a109"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/de37408d5c26fc4a296a28a0c96dcb814219bfa1"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/fa1d4de7265c370e673583ac8d1bd17d21826cd9"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/fc250eca15bde34c4c8f806b9d88f55bd56a992c"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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