fkie_cve-2024-49981
Vulnerability from fkie_nvd
Published
2024-10-21 18:15
Modified
2024-11-08 16:15
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: venus: fix use after free bug in venus_remove due to race condition
in venus_probe, core->work is bound with venus_sys_error_handler, which is
used to handle error. The code use core->sys_err_done to make sync work.
The core->work is started in venus_event_notify.
If we call venus_remove, there might be an unfished work. The possible
sequence is as follows:
CPU0 CPU1
|venus_sys_error_handler
venus_remove |
hfi_destroy |
venus_hfi_destroy |
kfree(hdev); |
|hfi_reinit
|venus_hfi_queues_reinit
|//use hdev
Fix it by canceling the work in venus_remove.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * |
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: venus: fix use after free bug in venus_remove due to race condition\n\nin venus_probe, core-\u003ework is bound with venus_sys_error_handler, which is\nused to handle error. The code use core-\u003esys_err_done to make sync work.\nThe core-\u003ework is started in venus_event_notify.\n\nIf we call venus_remove, there might be an unfished work. The possible\nsequence is as follows:\n\nCPU0 CPU1\n\n |venus_sys_error_handler\nvenus_remove |\nhfi_destroy\t \t\t |\nvenus_hfi_destroy\t |\nkfree(hdev);\t |\n |hfi_reinit\n\t\t\t\t\t |venus_hfi_queues_reinit\n |//use hdev\n\nFix it by canceling the work in venus_remove."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: media: venus: se corrige el error de use after free en venus_remove debido a la condici\u00f3n de ejecuci\u00f3n en venus_probe, core-\u0026gt;work est\u00e1 vinculado con venus_sys_error_handler, que se usa para manejar el error. El c\u00f3digo usa core-\u0026gt;sys_err_done para que funcione la sincronizaci\u00f3n. El core-\u0026gt;work se inicia en venus_event_notify. Si llamamos a venus_remove, puede haber un trabajo sin pescar. La secuencia posible es la siguiente: CPU0 CPU1 |venus_sys_error_handler venus_remove | hfi_destroy | venus_hfi_destroy | kfree(hdev); | |hfi_reinit |venus_hfi_queues_reinit |//use hdev Arr\u00e9glelo cancelando el trabajo en venus_remove."
}
],
"id": "CVE-2024-49981",
"lastModified": "2024-11-08T16:15:39.567",
"metrics": {
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"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.0,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
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},
"published": "2024-10-21T18:15:18.670",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Modified",
"weaknesses": [
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"description": [
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"value": "CWE-362"
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],
"source": "nvd@nist.gov",
"type": "Primary"
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]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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