GHSA-5288-9525-RFGM
Vulnerability from github – Published: 2026-08-15 06:32 – Updated: 2026-08-15 06:32
VLAI
Details
In the Linux kernel, the following vulnerability has been resolved:
netfilter: xt_rateest: fix u64 truncation in xt_rateest_mt()
On links faster than ~34 Gbps, where byte rate may exceed 2^32-1 (~ 4.3 GBps), the comparison result becomes incorrect because the truncated value no longer reflects the actual estimator rate.
Fix by changing the local variables to u64.
{
"affected": [],
"aliases": [
"CVE-2026-72349"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-08-15T06:22:08Z",
"severity": null
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: xt_rateest: fix u64 truncation in xt_rateest_mt()\n\nOn links faster than ~34 Gbps, where byte rate may exceed 2^32-1\n(~ 4.3 GBps), the comparison result becomes incorrect because the\ntruncated value no longer reflects the actual estimator rate.\n\nFix by changing the local variables to u64.",
"id": "GHSA-5288-9525-rfgm",
"modified": "2026-08-15T06:32:21Z",
"published": "2026-08-15T06:32:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72349"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/444853cd438201007da5359821adcc2995655ab1"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/5da915fc159c6b4091669447588e520183969cca"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/77e9ba358d63fe2eb03c90d29ea85651d95cf2e6"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/905a927b2e6fec7b174e9e5644d271047b61378f"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/a3ba938f45cb00f6bf49d3aa3647df9b017f5f08"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/bab305dd769d78074adca73505cc2509e1206bf2"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/d5cc4c12a4b90bf099199c3c49ecda7e694f2a2b"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/e702f6dd5d21e331f55fd9168c0210542008546d"
}
],
"schema_version": "1.4.0",
"severity": []
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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