8.4

CVE-2025-39882: drm/mediatek: fix potential OF node use-after-free

Modified
AliasesUBUNTU-CVE-2025-39882DEBIAN-CVE-2025-39882
Published 23-09-2025Last modified 05-08-2026

Vulnerability summary

CVE-2025-39882 is a high (CVSS 8.4) Use After Free vulnerability in linux. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 4.6% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 8.4, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
8.4/10
010
High · v3.1 (CVE.org)
EPSS score
0.15%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 17 · Related 15

Timeline

  1. 23-09-2025
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.15%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.15% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu84 products
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
  • linux-aws-5.13All versions (No fix recorded)
  • linux-aws-5.19All versions (No fix recorded)
Linux2 products
  • linux≥ 7d98166183d627c0b9daca7672b2191fae0f8a03, < b2fbe0f9f80b9cfa1e06ddcf8b863d918394ef1d | ≥ 31ce7c089b50c3d3056c37e0e25e7535e4428ae1, < b58a26cdd4795c1ce6a80e38e9348885555dacd6 | ≥ fae58d0155a979a8c414bbc12db09dd4b2f910d0, < c4901802ed1ce859242e10af06e6a7752cba0497 | ≥ 1f403699c40f0806a707a9a6eed3b8904224021a, < 4de37a48b6b58faaded9eb765047cf0d8785ea18 | ≥ 6.6.105, < 6.6.107 | ≥ 6.12.45, < 6.12.48 | ≥ 6.16.5, < 6.16.8
  • linux_kernel≥ 6.6.105, < 6.6.107 | ≥ 6.12.45, < 6.12.48 | ≥ 6.16.5, < 6.16.8 | 6.17:rc4 | 6.17:rc5
Debian1 product
  • linux< 6.12.48-1 | < 6.16.8-1

3 vendors · 87 products

References

8 links