What is CVE-2025-71123?

CVE-2025-71123 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-01-14.

How severe is CVE-2025-71123?

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

Vulnerability in Linux

CVE-2025-71123

In the Linux kernel, the following vulnerability has been resolved: ext4: fix string copying in parse_apply_sb_mount_options() strscpy_pad() can't be used to copy a non-NUL-term string into a NUL-term string of possibly bigger size. Com…

EPSS: 0.002 (4.8th 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 8ecb790ea8c3fc69e77bace57f14cf0d7c177bd8, 6.6.114, 6.18.3
Linux Linux_kernel — versions 6.18, 6.19

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)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2025-71123?: CVE-2025-71123 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-01-14.
How severe is CVE-2025-71123?: High severity. CVSS v3 base score is 7.8 out of 10.