CVE-2022-49462
Estado: ModificadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
drm/msm/a6xx: Fix refcount leak in a6xx_gpu_init
of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore.
a6xx_gmu_init() passes the node to of_find_device_by_node() and of_dma_configure(), of_find_device_by_node() will takes its reference, of_dma_configure() doesn't need the node after usage.
Add missing of_node_put() to avoid refcount leak.
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: 0.27%
- Percentil entre todas las CVEs puntuadas: 17
- 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
- NVD-CWE-Other
Referencias
- https://git.kernel.org/stable/c/06907a374f1b74f8f2fb30720dc6df81331e4fb5
- https://git.kernel.org/stable/c/48e82ce8cdb19c20a5020fa446b286d6a147450c
- https://git.kernel.org/stable/c/65ddbc0d26824e2a5d6154d01d8cf39344900213
- https://git.kernel.org/stable/c/6832e36f156ea35a6ed74bca72727806116effdd
- https://git.kernel.org/stable/c/c56de483093d7ad0782327f95dda7da97bc4c315
- https://git.kernel.org/stable/c/edff4c1af831d0c02e654eed9da7d74174de49d5
JSON original (NVD)
Mostrar
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/a6xx: Fix refcount leak in a6xx_gpu_init\n\nof_parse_phandle() returns a node pointer with refcount\nincremented, we should use of_node_put() on it when not need anymore.\n\na6xx_gmu_init() passes the node to of_find_device_by_node()\nand of_dma_configure(), of_find_device_by_node() will takes its\nreference, of_dma_configure() doesn't need the node after usage.\n\nAdd missing of_node_put() to avoid refcount leak."
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