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medium5.5

CVE-2024-42089

In the Linux kernel, the following vulnerability has been resolved: ASoC: fsl-asoc-card: set priv->pdev before using it priv->pdev pointer was set after being …

Impact

In the Linux kernel, the following vulnerability has been resolved: ASoC: fsl-asoc-card: set priv->pdev before using it priv->pdev pointer was set after being used in fsl_asoc_card_audmux_init(). Move this assignment at the start of the probe function, so sub-functions can correctly use pdev through priv. fsl_asoc_card_audmux_init() dereferences priv->pdev to get access to the dev struct, used with dev_err macros. As priv is zero-initialised, there would be a NULL pointer dereference. Note that if priv->dev is dereferenced before assignment but never used, for example if there is no error to be printed, the driver won't crash probably due to compiler optimisations.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 3.18 before 4.19.317
from 4.20 before 5.4.279
from 5.5 before 5.10.221
from 5.11 before 5.15.162
from 5.16 before 6.1.97
from 6.2 before 6.6.37

Weakness classification

CWE-476

References