CVE-2025-39882
HIGH severity · CVSS 8.4 · Use-after-free
8.4CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/4de37a48b6b58faaded9eb765047cf0d8785ea18 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/4de37a48b6b58faaded9eb765047cf0d8785ea18Patch
- https://git.kernel.org/stable/c/b2fbe0f9f80b9cfa1e06ddcf8b863d918394ef1dPatch
- https://git.kernel.org/stable/c/b58a26cdd4795c1ce6a80e38e9348885555dacd6Patch
- https://git.kernel.org/stable/c/c4901802ed1ce859242e10af06e6a7752cba0497Patch