What is CVE-2025-38422?

CVE-2025-38422 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2025-07-25.

How severe is CVE-2025-38422?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2025-38422 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Linux

CVE-2025-38422

In the Linux kernel, the following vulnerability has been resolved: net: lan743x: Modify the EEPROM and OTP size for PCI1xxxx devices Maximum OTP and EEPROM size for hearthstone PCI1xxxx devices are 8 Kb and 64 Kb respectively. Adjust max size definitions and return correct EEPROM length based on device. Also prevent out-of-bound read/write.

EPSS: 0.002 (6.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 695846047aa9b4bb387473a9fd227a51ae7de5e9, 4.19, 0
Linux Linux_kernel
Debian Debian_linux — versions 11.0

Public proof-of-concept exploits

w4zu/Debian_

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2025-38422?: CVE-2025-38422 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2025-07-25.
How severe is CVE-2025-38422?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2025-38422 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.