What’s Vulnerable › Vulnerabilities

CVE-2023-53434: remoteproc: imx_dsp_rproc: Add custom memory copy implementation for i.MX DSP Cores

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-09-18 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: remoteproc: imx_dsp_rproc: Add custom memory copy implementation for i.MX DSP Cores The IRAM is part of the HiFi DSP. According to hardware specification only 32-bits write are allowed otherwise we get a Kernel panic. Therefore add a custom memory copy and memset functions to deal with the above restriction.

Affected products

• Linux kernel: from 5.16 before 6.1.30; from 6.2 before 6.3.4 — fixed in 6.1.30, 6.3.4

How to fix

Upgrade to a fixed version: Linux kernel 6.1.30, 6.3.4. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/331cd77f3d02c35f98b48d1aa934c54c4e7102c8
• https://git.kernel.org/stable/c/408ec1ff0caa340c57eecf4cbd14ef0132036a50
• https://git.kernel.org/stable/c/44361033a8806aabd0f49b24e5a2fc07232cc5ff

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