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CVE-2021-0707

Date: April 12, 2022

In dma_buf_release of dma-buf.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-155756045References: Upstream kernel

Language: C

Severity Score

Related Resources (6)

https://people.canonical.com/~ubuntu-security/cve/CVE-2021-0707
https://security-tracker.debian.org/tracker/CVE-2021-0707
https://nvd.nist.gov/vuln/detail/CVE-2021-0707
https://source.android.com/security/bulletin/2022-04-01
https://github.com/gregkh/linux/commit/4ab59c3c638c6c8952bf07739805d20eb6358a4d
https://www.mend.io/vulnerability-database/CVE-2021-0707

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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