CVE-2025-39872 (GCVE-0-2025-39872)

Vulnerability from cvelistv5 – Published: 2025-09-23 06:00 – Updated: 2025-09-29 06:01
VLAI?
Summary
In the Linux kernel, the following vulnerability has been resolved: hsr: hold rcu and dev lock for hsr_get_port_ndev hsr_get_port_ndev calls hsr_for_each_port, which need to hold rcu lock. On the other hand, before return the port device, we need to hold the device reference to avoid UaF in the caller function.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 9c10dd8eed74de9e8adeb820939f8745cd566d4a , < 68a6729afd3e8e9a2a32538642ce92b96ccf9b1d (git)
Affected: 9c10dd8eed74de9e8adeb820939f8745cd566d4a , < 847748fc66d08a89135a74e29362a66ba4e3ab15 (git)
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    Linux Linux Affected: 6.14
Unaffected: 0 , < 6.14 (semver)
Unaffected: 6.16.8 , ≤ 6.16.* (semver)
Unaffected: 6.17 , ≤ * (original_commit_for_fix)
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          "programFiles": [
            "drivers/net/ethernet/ti/icssg/icssg_prueth.c",
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      "providerMetadata": {
        "dateUpdated": "2025-09-29T06:01:29.027Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-39872",
    "datePublished": "2025-09-23T06:00:45.528Z",
    "dateReserved": "2025-04-16T07:20:57.144Z",
    "dateUpdated": "2025-09-29T06:01:29.027Z",
    "state": "PUBLISHED"
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  }
}


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  • 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.
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  • 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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