VDB

DEBIAN-CVE-2025-40316

DEBIAN-CVE-2025-40316 PUBLISHED CVSS 9.300000190734863 CRITICAL

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: Fix device use-after-free on unbind A recent change fixed device reference leaks when looking up drm platform device driver data during bind() but failed to remove a partial fix which had been added by commit 80805b62ea5b ("drm/mediatek: Fix kobject put for component sub-drivers"). This results in a reference imbalance on component bind() failures and on unbind() which could lead to a user-after-free. Make sure to only drop the references after retrieving the driver data by effectively reverting the previous partial fix. Note that holding a reference to a device does not prevent its driver data from going away so there is no point in keeping the reference.

Risk Scores

CVSS 4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected Products

VendorProductVersions
Debian:14linux6.12.38-1, 6.12.43-1, 6.12.43-1~bpo12+1
Debian:13linux0, 6.12.38-1, 6.12.43-1

Exploit Intelligence

Timeline

  • Dec 8, 2025 CVE Published
  • Apr 28, 2026 CVE Updated
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