CVE-2024-42089
ASoC: fsl-asoc-card: set priv->pdev before using it
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Description
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/29bc9e7c75398b0d12fc30955f2e9b2dd29ffaed
- https://git.kernel.org/stable/c/3662eb2170e59b58ad479982dc1084889ba757b9
- https://git.kernel.org/stable/c/544ab46b7ece6d6bebbdee5d5659c0a0f804a99a
- https://git.kernel.org/stable/c/7c18b4d89ff9c810b6e562408afda5ce165c4ea6
- https://git.kernel.org/stable/c/8896e18b7c366f8faf9344abfd0971435f1c723a
References (9)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
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