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CVE-2020-0305

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Date: July 17, 2020

In cdev_get of char_dev.c, there is a possible use-after-free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10Android ID: A-153467744

Language: C

Severity Score

Related Resources (8)

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-0305
https://nvd.nist.gov/vuln/detail/CVE-2020-0305
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
https://security-tracker.debian.org/tracker/CVE-2020-0305
https://access.redhat.com/security/cve/CVE-2020-0305
https://source.android.com/security/bulletin/pixel/2020-06-01
https://www.mend.io/vulnerability-database/CVE-2020-0305

Severity Score

Weakness Type (CWE)

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CWE-362

Use After Free

CWE-416

Top Fix

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Upgrade Version

Upgrade to version linux-yocto - 4.10+gitAUTOINC+805ea440c7_b259a5d744;linux-yocto - 4.8.26+gitAUTOINC+1c60e003c7_27efc3ba68;linux-libc-headers - 5.8

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): HIGH
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): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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