What is CVE-2025-39862?

CVE-2025-39862 is a high-severity vulnerability in Linux, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2025-09-19.

How severe is CVE-2025-39862?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Linux

CVE-2025-39862

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: fix list corruption after hardware restart Since stations are recreated from scratch, all lists that wcids are added to must be cleared before calling ieee80211_restart_hw. Set wcid->sta = 0 for each wcid entry in order to ensure that they are not added again before they are ready.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (7.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 8a55712d124fd8a919e8a69b70643e1a97280b4b, 6.2, 0
Linux Linux_kernel — versions 6.17

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

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

Frequently asked questions

What is CVE-2025-39862?: CVE-2025-39862 is a high-severity vulnerability in Linux, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2025-09-19.
How severe is CVE-2025-39862?: High severity. CVSS v3 base score is 8.8 out of 10.