MediaTek chipset vulnerability

What happened

In vdec, there is a possible out of bounds write due to type confusion. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11383899; Issue ID: MSV-9800.

Affected versions

MediaTek chipset: MT2718; MT6768; MT6769; MT6789; MT6833; MT6855; MT6877; MT8186; MT8188; MT8189; MT8195; MT8196; MT8367; MT8391; MT8395; MT8668; MT8676; MT8678; MT8696; MT8781; MT8788E; MT8792; MT8793; MT8799; MT8910 Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

• Apply vendor-provided updates or mitigations.
• Review affected product exposure and access logs.