CVE-2026-89885

Last refreshed2026-10-19

Status: UPDATED | Advisory ID: CVE-2026-89885

Key Details

CVE	CVE-2026-89885
CVSS Score / Version	8.4 (High) / CVSS v3.1
Updated	2026-10-19
CVSS Vector	`CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`
CVSS Prose	attack vector is local; attack complexity is low; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected products	Linux Kernel

Vendor	Product	Affected Versions	Patch Status
Linux	Linux Kernel

Vendor

Product

Affected Versions

Patch Status

Linux

Linux Kernel

Subsystems	OT Supporting Infrastructure
Sectors	All Sectors

In the Linux kernel, the following vulnerability has been resolved:

media: platform: mtk-mdp3: Fix SCP device refcounting

mdp_probe() first tries to get the SCP handle with scp_get(). When that

fails, it falls back to looking up the SCP platform device with

__get_pdev_by_id() and then reads its driver data.

The fallback lookup returns the platform device with a reference, just

like scp_get() does. However, the fallback path currently drops that

reference immediately after platform_get_drvdata(). The driver later

still calls scp_put(mdp->scp) unconditionally from the probe error path

and from mdp_video_device_release(), which drops the SCP device

reference again.

Keep the fallback reference until the existing scp_put() call, so that

the fallback path follows the same ownership rules as the scp_get()

path. (NVD)

Monitor Linux's web page for any future patch releases.

Source	Reference
NVD	https://nvd.nist.gov/vuln/detail/CVE-2026-89885
CVE	https://www.cve.org/CVERecord?id=CVE-2026-89885

Source

Reference

NVD

CVE