CVE-2025-38380

i2c/designware: Fix an initialization issue

Description

In the Linux kernel, the following vulnerability has been resolved: i2c/designware: Fix an initialization issue The i2c_dw_xfer_init() function requires msgs and msg_write_idx from the dev context to be initialized. amd_i2c_dw_xfer_quirk() inits msgs and msgs_num, but not msg_write_idx. This could allow an out of bounds access (of msgs). Initialize msg_write_idx before calling i2c_dw_xfer_init().

N/A

CVSS

Severity:

EPSS 0.04%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/475f89e1f9bde45fc948589e7cde1f5d899ae412
https://git.kernel.org/stable/c/5b622e672e49e50c33fc64cd06b05ce76e1de460
https://git.kernel.org/stable/c/6358cb9c2a31e23b6b51bfcd7fe2b7becaf6b149
https://git.kernel.org/stable/c/4c37963d67fb945a59faf53bebe048ca201e44df
https://git.kernel.org/stable/c/9b5b600e751fae92ba571b015eaf02c9c58e2083
https://git.kernel.org/stable/c/3d30048958e0d43425f6d4e76565e6249fa71050

Frequently Asked Questions

What is the severity of CVE-2025-38380?: CVE-2025-38380 has not yet been assigned a CVSS score.
How to fix CVE-2025-38380?: To fix CVE-2025-38380, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-38380 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2025-38380 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-38380?: CVE-2025-38380 affects Linux Linux, Linux Linux.

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