fkie_cve-2025-21715
Vulnerability from fkie_nvd
Published
2025-02-27 02:15
Modified
2025-11-03 20:17
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: davicom: fix UAF in dm9000_drv_remove
dm is netdev private data and it cannot be
used after free_netdev() call. Using dm after free_netdev()
can cause UAF bug. Fix it by moving free_netdev() at the end of the
function.
This is similar to the issue fixed in commit
ad297cd2db89 ("net: qcom/emac: fix UAF in emac_remove").
This bug is detected by our static analysis tool.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * |
{
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: davicom: fix UAF in dm9000_drv_remove\n\ndm is netdev private data and it cannot be\nused after free_netdev() call. Using dm after free_netdev()\ncan cause UAF bug. Fix it by moving free_netdev() at the end of the\nfunction.\n\nThis is similar to the issue fixed in commit\nad297cd2db89 (\"net: qcom/emac: fix UAF in emac_remove\").\n\nThis bug is detected by our static analysis tool."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: davicom: fix UAF in dm9000_drv_remove dm son datos privados de netdev y no se pueden usar despu\u00e9s de la llamada a free_netdev(). El uso de dm despu\u00e9s de free_netdev() puede provocar un error de UAF. Solucione el problema moviendo free_netdev() al final de la funci\u00f3n. Esto es similar al problema solucionado en el commit ad297cd2db89 (\"net: qcom/emac: fix UAF in emac_remove\"). Nuestra herramienta de an\u00e1lisis est\u00e1tico detecta este error."
}
],
"id": "CVE-2025-21715",
"lastModified": "2025-11-03T20:17:11.313",
"metrics": {
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"integrityImpact": "HIGH",
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"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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"published": "2025-02-27T02:15:15.167",
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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