CVE-2021-0668
Description
In apusys, there is a possible memory corruption due to incorrect error handling. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05670521; Issue ID: ALPS05670521.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Memory corruption in MediaTek apusys driver allows local escalation of privilege with System execution privileges.
Vulnerability
In the apusys driver on MediaTek chipsets, a memory corruption vulnerability exists due to incorrect error handling. This affects multiple chipsets as listed in the November 2021 bulletin [1]. The vulnerability is present in the apusys component and can be triggered without user interaction.
Exploitation
An attacker with System execution privileges can exploit this vulnerability by triggering the incorrect error handling path in apusys, leading to memory corruption. No user interaction is required.
Impact
Successful exploitation could lead to local escalation of privilege, potentially allowing the attacker to gain higher privileges within the system.
Mitigation
MediaTek has released a patch identified as ALPS05670521, included in the November 2021 Product Security Bulletin [1]. Device OEMs have been notified and are expected to deploy the fix. Users should apply updates from their device manufacturer.
AI Insight generated on May 27, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- corp.mediatek.com/product-security-bulletin/November-2021mitrex_refsource_MISC
News mentions
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