fkie_cve-2023-53106
Vulnerability from fkie_nvd
Published
2025-05-02 16:15
Modified
2025-11-10 17:54
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
nfc: st-nci: Fix use after free bug in ndlc_remove due to race condition
This bug influences both st_nci_i2c_remove and st_nci_spi_remove.
Take st_nci_i2c_remove as an example.
In st_nci_i2c_probe, it called ndlc_probe and bound &ndlc->sm_work
with llt_ndlc_sm_work.
When it calls ndlc_recv or timeout handler, it will finally call
schedule_work to start the work.
When we call st_nci_i2c_remove to remove the driver, there
may be a sequence as follows:
Fix it by finishing the work before cleanup in ndlc_remove
CPU0 CPU1
|llt_ndlc_sm_work
st_nci_i2c_remove |
ndlc_remove |
st_nci_remove |
nci_free_device|
kfree(ndev) |
//free ndlc->ndev |
|llt_ndlc_rcv_queue
|nci_recv_frame
|//use ndlc->ndev
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 | 6.3 | |
| linux | linux_kernel | 6.3 |
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: st-nci: Fix use after free bug in ndlc_remove due to race condition\n\nThis bug influences both st_nci_i2c_remove and st_nci_spi_remove.\nTake st_nci_i2c_remove as an example.\n\nIn st_nci_i2c_probe, it called ndlc_probe and bound \u0026ndlc-\u003esm_work\nwith llt_ndlc_sm_work.\n\nWhen it calls ndlc_recv or timeout handler, it will finally call\nschedule_work to start the work.\n\nWhen we call st_nci_i2c_remove to remove the driver, there\nmay be a sequence as follows:\n\nFix it by finishing the work before cleanup in ndlc_remove\n\nCPU0 CPU1\n\n |llt_ndlc_sm_work\nst_nci_i2c_remove |\n ndlc_remove |\n st_nci_remove |\n nci_free_device|\n kfree(ndev) |\n//free ndlc-\u003endev |\n |llt_ndlc_rcv_queue\n |nci_recv_frame\n |//use ndlc-\u003endev"
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: nfc: st-nci: Fix use after free bug en ndlc_remove debido a una condici\u00f3n de ejecuci\u00f3n Este error afecta tanto a st_nci_i2c_remove como a st_nci_spi_remove. Tomemos st_nci_i2c_remove como ejemplo. En st_nci_i2c_probe, llam\u00f3 a ndlc_probe y vincul\u00f3 \u0026amp;ndlc-\u0026gt;sm_work con llt_ndlc_sm_work. Cuando llama a ndlc_recv o al controlador de tiempo de espera, finalmente llamar\u00e1 a schedule_work para iniciar el trabajo. Cuando llamamos a st_nci_i2c_remove para eliminar el controlador, puede haber una secuencia como la siguiente: Arr\u00e9glelo finalizando el trabajo antes de la limpieza en ndlc_remove CPU0 CPU1 |llt_ndlc_sm_work st_nci_i2c_remove | ndlc_remove | st_nci_remove | nci_free_device| kfree(ndev) | //liberar ndlc-\u0026gt;ndev | |llt_ndlc_rcv_queue |nci_recv_frame |//usar ndlc-\u0026gt;ndev"
}
],
"id": "CVE-2023-53106",
"lastModified": "2025-11-10T17:54:42.723",
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"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"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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"source": "nvd@nist.gov",
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"published": "2025-05-02T16:15:29.520",
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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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