CVE-2023-20842

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-09-04 · updated 2026-06-17
Weakness: CWE-787

Description

In imgsys_cmdq, there is a possible out of bounds write due to a missing valid range checking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS07354259; Issue ID: ALPS07340477.

Affected products

Android: 11.0, 12.0
Linux kernel: 6.1
Linuxfoundation Yocto: 4.0
Mediatek Iot Yocto: 23.0

References

https://corp.mediatek.com/product-security-bulletin/September-2023
https://corp.mediatek.com/product-security-bulletin/September-2023

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