CVE-2023-53298
Estado: ModificadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
nfc: fix memory leak of se_io context in nfc_genl_se_io
The callback context for sending/receiving APDUs to/from the selected secure element is allocated inside nfc_genl_se_io and supposed to be eventually freed in se_io_cb callback function. However, there are several error paths where the bwi_timer is not charged to call se_io_cb later, and the cb_context is leaked.
The patch proposes to free the cb_context explicitly on those error paths.
At the moment we can't simply check 'dev->ops->se_io()' return value as it may be negative in both cases: when the timer was charged and was not.
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: 0.14%
- Percentil entre todas las CVEs puntuadas: 3
- 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-401
- CWE-401
Referencias
- https://git.kernel.org/stable/c/25ff6f8a5a3b8dc48e8abda6f013e8cc4b14ffea
- https://git.kernel.org/stable/c/271eed1736426103335c5aac50f15b0f4d236bc0
- https://git.kernel.org/stable/c/5321da6d84b87a34eea441677d649c34bd854169
- https://git.kernel.org/stable/c/8978315cb4bf8878c9c8ec05dafd8f7ff539860d
- https://git.kernel.org/stable/c/af452e35b9e6a87cd49e54a7a3d60d934b194651
- https://git.kernel.org/stable/c/b2036a252381949d3b743a3de069324ae3028a57
- https://git.kernel.org/stable/c/ba98db08895748c12e5ded52cd1598dce2c79e55
- https://git.kernel.org/stable/c/c494365432dcdc549986f4d9af9eb6190cbdb153
JSON original (NVD)
Mostrar
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}
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