CVE-2022-50165
Estado: AnalizadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
wifi: wil6210: debugfs: fix uninitialized variable use in `wil_write_file_wmi()`
Commit 7a4836560a61 changes simple_write_to_buffer() with memdup_user() but it forgets to change the value to be returned that came from simple_write_to_buffer() call. It results in the following warning:
Remove rc variable and just return the passed in length if the memdup_user() succeeds.
Detalles técnicos trazas, registros y código del informe original
warning: variable 'rc' is uninitialized when used here [-Wuninitialized]
return rc;
^~CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.24%
- Percentil entre todas las CVEs puntuadas: 14
- Fecha de la puntuación: 5/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-908
Referencias
- https://git.kernel.org/stable/c/409bd72e544fdf4809ea0dac337bb5a1f11a25a9
- https://git.kernel.org/stable/c/52b11a48cf073e0aab923ae809a765d756cecf13
- https://git.kernel.org/stable/c/689e5caf63e99e15d2f485ec297c1bf9243e0e28
- https://git.kernel.org/stable/c/6c5fee83bdbeffe8d607d1ab125122a75f40bd1a
- https://git.kernel.org/stable/c/b13c84e877d7a3095bacb14665db304b2c00e95f
- https://git.kernel.org/stable/c/c9fde3a44da566d8929070ab6bda4f0dfa9955d0
- https://git.kernel.org/stable/c/d4742c886043b69d2d058bfde3998ef333b66595
- https://git.kernel.org/stable/c/d578e0af3a003736f6c440188b156483d451b329
JSON original (NVD)
Mostrar
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wil6210: debugfs: fix uninitialized variable use in `wil_write_file_wmi()`\n\nCommit 7a4836560a61 changes simple_write_to_buffer() with memdup_user()\nbut it forgets to change the value to be returned that came from\nsimple_write_to_buffer() call. It results in the following warning:\n\n warning: variable 'rc' is uninitialized when used here [-Wuninitialized]\n return rc;\n ^~\n\nRemove rc variable and just return the passed in length if the\nmemdup_user() succeeds."
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}
],
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