CVE-2025-37889
Estado: AnalizadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
ASoC: ops: Consistently treat platform_max as control value
This reverts commit 9bdd10d57a88 ("ASoC: ops: Shift tested values in snd_soc_put_volsw() by +min"), and makes some additional related updates.
There are two ways the platform_max could be interpreted; the maximum register value, or the maximum value the control can be set to. The patch moved from treating the value as a control value to a register one. When the patch was applied it was technically correct as snd_soc_limit_volume() also used the register interpretation.
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However, even then most of the other usages treated platform_max as a control value, and snd_soc_limit_volume() has since been updated to also do so in commit fb9ad24485087 ("ASoC: ops: add correct range check for limiting volume"). That patch however, missed updating snd_soc_put_volsw() back to the control interpretation, and fixing snd_soc_info_volsw_range(). The control interpretation makes more sense as limiting is typically done from the machine driver, so it is appropriate to use the customer facing representation rather than the internal codec representation. Update all the code to consistently use this interpretation of platform_max.
Finally, also add some comments to the soc_mixer_control struct to hopefully avoid further patches switching between the two approaches.
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: 0.28%
- Percentil entre todas las CVEs puntuadas: 19
- Fecha de la puntuación: 6/10/2026
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 (2)
CWE
- NVD-CWE-noinfo
Referencias
- https://git.kernel.org/stable/c/0eba2a7e858907a746ba69cd002eb9eb4dbd7bf3
- https://git.kernel.org/stable/c/296c8295ae34045da0214882628d49c1c060dd8a
- https://git.kernel.org/stable/c/544055329560d4b64fe204fc6be325ebc24c72ca
- https://git.kernel.org/stable/c/694110bc2407a61f02a770cbb5f39b51e4ec77c6
- https://git.kernel.org/stable/c/a46a9371f8b9a0eeff53a21e11ed3b65f52d9cf6
- https://git.kernel.org/stable/c/c402f184a053c8e7ca325e50f04bbbc1e4fee019
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
JSON original (NVD)
Mostrar
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: ops: Consistently treat platform_max as control value\n\nThis reverts commit 9bdd10d57a88 (\"ASoC: ops: Shift tested values in\nsnd_soc_put_volsw() by +min\"), and makes some additional related\nupdates.\n\nThere are two ways the platform_max could be interpreted; the maximum\nregister value, or the maximum value the control can be set to. The\npatch moved from treating the value as a control value to a register\none. When the patch was applied it was technically correct as\nsnd_soc_limit_volume() also used the register interpretation. However,\neven then most of the other usages treated platform_max as a\ncontrol value, and snd_soc_limit_volume() has since been updated to\nalso do so in commit fb9ad24485087 (\"ASoC: ops: add correct range\ncheck for limiting volume\"). That patch however, missed updating\nsnd_soc_put_volsw() back to the control interpretation, and fixing\nsnd_soc_info_volsw_range(). The control interpretation makes more\nsense as limiting is typically done from the machine driver, so it is\nappropriate to use the customer facing representation rather than the\ninternal codec representation. Update all the code to consistently use\nthis interpretation of platform_max.\n\nFinally, also add some comments to the soc_mixer_control struct to\nhopefully avoid further patches switching between the two approaches."
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"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: PCI/MSI: Manejo correcto del indicador NOMASK para todos los backends PCI/MSI. La conversión de la variable global específica de XEN pci_msi_ignore_mask a un indicador de dominio MSI pasó por alto los siguientes hechos: 1) Las arquitecturas heredadas no proporcionan un dominio de interrupción. 2) Los dominios MSI principales no necesariamente tienen información de dominio adjunta. Ambos casos resultan en una desreferencia de puntero NULL incondicional. Desafortunadamente, esto se pasó por alto en la revisión y las pruebas lo revelaron tarde. Solucione esto utilizando el asistente pci_msi_domain_supports() existente, que maneja todos los casos posibles correctamente."
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