CVE-2026-0027

medium

Description

In smmu_detach_dev of arm-smmu-v3.c, there is a possible out of bounds write due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

References

https://source.android.com/docs/security/bulletin/2026/2026-03-01

https://www.helpnetsecurity.com/2026/03/03/android-march-2026-security-patch-cve-2026-21385/

https://thehackernews.com/2026/03/google-confirms-cve-2026-21385-in.html

https://securityaffairs.com/188823/security/android-devices-hit-by-exploited-qualcomm-flaw-cve-2026-21385.html

https://android.googlesource.com/kernel/common/+/a47e0e78ad5b4e153b40fc1c9def11991aa6ca0c

https://android.googlesource.com/kernel/common/+/5161b3e75fb025bb4ebb11fbf1ac037021e56719

https://android.googlesource.com/kernel/common/+/3af14d2057f2f3df97472cef6b293113b020d1e6

Details

Source: Mitre, NVD

Published: 2026-03-02

Updated: 2026-03-06

Risk Information

CVSS v2

Base Score: 6.5

Vector: CVSS2#AV:L/AC:L/Au:M/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 6.7

Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H