Double Free in MediaTek products - CVE-2025-20765

Vulnerability identifier: #VU118894

CSH Severity: Low

CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-20765

CWE-ID: CWE-415

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to a race condition within aee daemon. A local application can perform service disruption.

MT8186
MT6983
MT6985
MT6989
MT6990
MT6991
MT8113
MT8115
MT8139
MT8163
MT8168
MT8169
MT8183
MT6980D
MT8188
MT8512
MT8516
MT8518
MT8519
MT8532
MT8676
MT8678
MT8695
MT8696
MT8698
MT6878
MT2737
MT6739
MT6761
MT6765
MT6768
MT6789
MT6833
MT6835
MT6855
MT2718
MT6879
MT6880
MT6886
MT6890
MT6895
MT6897
MT6899
MT6781
MT6853
MT6877
MT6883
MT6885
MT6889
MT6893
TB373FU Lenovo Idea Tab Pro
TB336FU/TB336ZU Lenovo Idea Tab/ Lenovo Tab K11 Gen 2
TB570FU, TB570ZU Lenovo Tab Extreme
TB350FU, TB350XU Lenovo Tab P11 2nd
TB350FU, TB350XU Lenovo Tab P11 Gen
TB351FU Lenovo Tab Plus
TB311FU/TB311XU Lenovo Tab with Clear Case/ Lenovo Tab with Folio Case
Lenovo Idea Tab Pro (TB373FU)
Lenovo Idea Tab/ Lenovo Tab K11 Gen 2 (TB336FU/TB336ZU)
Lenovo Tab Extreme (TB570ZU/TB570FU)
Lenovo Tab P11 2nd Gen (TB350XU / TB350FU)
Lenovo Tab Plus (TB351FU)
Lenovo Tab with Clear Case/ Lenovo Tab with Folio Case (TB311FU/TB311XU)

Install security update from vendor's website.

• https://corp.mediatek.com/product-security-bulletin/December-2025

• Multiple vulnerabilities in MediaTek chipsets
• Multiple vulnerabilities in Lenovo Mediatek tablets