Use After Free in Linux

CVE-2025-39882

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: fix potential OF node use-after-free The for_each_child_of_node() helper drops the reference it takes to each node as it iterates over children and an explicit of_node_put() is only needed when exiting the loop early. Drop the recently introduced bogus additional reference count decrement at each iteration that could potentially lead to a use-after-free.

Vulnerability class: Use-After-Free

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (3.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-39882: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

  • Linux — versions 7d98166183d627c0b9daca7672b2191fae0f8a03, 31ce7c089b50c3d3056c37e0e25e7535e4428ae1, fae58d0155a979a8c414bbc12db09dd4b2f910d0
  • Linux Kernel — versions 6.17

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-39882?
CVE-2025-39882 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 8.4/10. Published 2025-09-23.
How severe is CVE-2025-39882?
High severity. CVSS v3 base score is 8.4 out of 10.