Executive Summary
Informations | |||
---|---|---|---|
Name | CVE-2021-0920 | First vendor Publication | 2021-12-15 |
Vendor | Cve | Last vendor Modification | 2024-02-02 |
Security-Database Scoring CVSS v3
Cvss vector : CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H | |||
---|---|---|---|
Overall CVSS Score | 6.4 | ||
Base Score | 6.4 | Environmental Score | 6.4 |
impact SubScore | 5.9 | Temporal Score | 6.4 |
Exploitabality Sub Score | 0.5 | ||
Attack Vector | Local | Attack Complexity | High |
Privileges Required | High | User Interaction | None |
Scope | Unchanged | Confidentiality Impact | High |
Integrity Impact | High | Availability Impact | High |
Calculate full CVSS 3.0 Vectors scores |
Security-Database Scoring CVSS v2
Cvss vector : (AV:L/AC:M/Au:N/C:C/I:C/A:C) | |||
---|---|---|---|
Cvss Base Score | 6.9 | Attack Range | Local |
Cvss Impact Score | 10 | Attack Complexity | Medium |
Cvss Expoit Score | 3.4 | Authentication | None Required |
Calculate full CVSS 2.0 Vectors scores |
Detail
In unix_scm_to_skb of af_unix.c, there is a possible use after free bug 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 kernelAndroid ID: A-196926917References: Upstream kernel |
Original Source
Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-0920 |
CWE : Common Weakness Enumeration
% | Id | Name |
---|---|---|
50 % | CWE-416 | Use After Free |
50 % | CWE-362 | Race Condition |
CPE : Common Platform Enumeration
Type | Description | Count |
---|---|---|
Os | 1 | |
Os | 1 |
Sources (Detail)
Source | Url |
---|---|
MISC | https://source.android.com/security/bulletin/2021-11-01 |
MLIST | https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html |
Alert History
Date | Informations |
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2024-02-02 21:28:20 |
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2022-07-13 17:27:26 |
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2021-12-18 01:49:39 |
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2021-12-18 01:44:59 |
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2021-12-17 21:22:56 |
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2021-12-17 09:22:53 |
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2021-12-16 00:22:53 |
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