What is CVE-2025-71109?

CVE-2025-71109 is a medium-severity vulnerability in Linux, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2026-01-14.

How severe is CVE-2025-71109?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Linux

CVE-2025-71109

In the Linux kernel, the following vulnerability has been resolved: MIPS: ftrace: Fix memory corruption when kernel is located beyond 32 bits Since commit e424054000878 ("MIPS: Tracing: Reduce the overhead of dynamic Function Tracer"), t…

Vulnerability class: Buffer Overflow

EPSS: 0.002 (6.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions e424054000878d7eb11e44289242886d6e219d22, 2.6.35, 0
Linux Linux_kernel — versions 2.6.35, 6.19

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

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

Frequently asked questions

What is CVE-2025-71109?: CVE-2025-71109 is a medium-severity vulnerability in Linux, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2026-01-14.
How severe is CVE-2025-71109?: Medium severity. CVSS v3 base score is 5.5 out of 10.