GHSA-CW7W-CFPJ-R652
Vulnerability from github – Published: 2025-07-10 09:32 – Updated: 2025-11-19 21:31In the Linux kernel, the following vulnerability has been resolved:
PM: EM: Fix potential division-by-zero error in em_compute_costs()
When the device is of a non-CPU type, table[i].performance won't be initialized in the previous em_init_performance(), resulting in division by zero when calculating costs in em_compute_costs().
Since the 'cost' algorithm is only used for EAS energy efficiency calculations and is currently not utilized by other device drivers, we should add the _is_cpu_device(dev) check to prevent this division-by-zero issue.
{
"affected": [],
"aliases": [
"CVE-2025-38297"
],
"database_specific": {
"cwe_ids": [
"CWE-369"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-07-10T08:15:28Z",
"severity": "MODERATE"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nPM: EM: Fix potential division-by-zero error in em_compute_costs()\n\nWhen the device is of a non-CPU type, table[i].performance won\u0027t be\ninitialized in the previous em_init_performance(), resulting in division\nby zero when calculating costs in em_compute_costs().\n\nSince the \u0027cost\u0027 algorithm is only used for EAS energy efficiency\ncalculations and is currently not utilized by other device drivers, we\nshould add the _is_cpu_device(dev) check to prevent this division-by-zero\nissue.",
"id": "GHSA-cw7w-cfpj-r652",
"modified": "2025-11-19T21:31:16Z",
"published": "2025-07-10T09:32:29Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38297"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/14cbdd64f3870cf0a2d94b87919b9056448c59a0"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/179c0c7044a378198adb36f2a12410ab68cc730a"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/81d72f9241d884ec29524431f74f8009310cfa0c"
}
],
"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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