Vulnerability Name:

CVE-2021-0920 (CCN-215673)

Assigned:2020-11-06
Published:2021-07-28
Updated:2022-07-12
Summary: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
CVSS v3 Severity:6.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H)
5.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.4 High (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
6.4 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.9 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-362
CWE-416
Vulnerability Consequences:Gain Privileges
References:Source: CCN
Type: Google Web site
Android

Source: MITRE
Type: CNA
CVE-2021-0920

Source: XF
Type: UNKNOWN
android-cve20210920-priv-esc(215673)

Source: MLIST
Type: Third Party Advisory
[debian-lts-announce] 20211216 [SECURITY] [DLA 2843-1] linux security update

Source: CCN
Type: Android Open Source Project
Android Security Bulletin - November 2021

Source: MISC
Type: Vendor Advisory
https://source.android.com/security/bulletin/2021-11-01

Source: CCN
Type: IBM Security Bulletin 6568365 (QRadar Network Packet Capture)
IBM QRadar Network Packet Capture is using components with known vulnerabilities

Source: CCN
Type: IBM Security Bulletin 6840945 (QRadar Network Security)
IBM QRadar Network Security is affected by multiple vulnerabilities.

Source: CCN
Type: IBM Security Bulletin 6981227 (4769 Developer Toolkit)
Multiple vulnerabiities in the IBM 4769 Developer's Toolkit. CVE-2019-20811, CVE-2020-0466, CVE-2021-0920, CVE-2021-3347, CVE-2018-19985, CVE-2018-20169, CVE-2019-13648, CVE-2019-15916, CVE-2019-19527

Source: CCN
Type: IBM Security Bulletin 6999317 (Security Guardium)
IBM Security Guardium is affected by multiple vulnerabilities

Vulnerable Configuration:Configuration 1:
  • cpe:/o:google:android:*:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

  • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*

  • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:7::server:*:*:*:*:*

  • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:7::client:*:*:*:*:*

  • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:7::computenode:*:*:*:*:*

  • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:7::workstation:*:*:*:*:*

  • Configuration RedHat 6:
  • cpe:/a:redhat:rhel_extras_rt:7:*:*:*:*:*:*:*

  • Configuration RedHat 7:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*

  • Configuration RedHat 8:
  • cpe:/a:redhat:enterprise_linux:8::nfv:*:*:*:*:*

  • Configuration RedHat 9:
  • cpe:/a:redhat:enterprise_linux:8::realtime:*:*:*:*:*

  • Configuration RedHat 10:
  • cpe:/a:redhat:enterprise_linux:8::crb:*:*:*:*:*

  • Configuration RedHat 11:
  • cpe:/o:redhat:enterprise_linux:8:*:*:*:*:*:*:*

  • Configuration RedHat 12:
  • cpe:/o:redhat:enterprise_linux:8::baseos:*:*:*:*:*

  • Configuration RedHat 13:
  • cpe:/o:redhat:rhel_els:6:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:google:android:-:*:*:*:*:*:*:*
  • AND
  • cpe:/a:ibm:qradar_network_security:5.4.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_network_security:5.5.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:qradar_network_packet_capture:7.3:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:security_guardium:11.3:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:security_guardium:11.4:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:118437
    P
    Security update for the Linux Kernel (Important)
    2022-04-19
    oval:com.redhat.rhsa:def:20221417
    P
    RHSA-2022:1417: kernel security update (Important)
    2022-04-19
    oval:org.opensuse.security:def:42175
    P
    Security update for the Linux Kernel (Important)
    2022-04-19
    oval:org.opensuse.security:def:118870
    P
    Security update for the Linux Kernel (Important)
    2022-04-14
    oval:org.opensuse.security:def:119552
    P
    Security update for the Linux Kernel (Important)
    2022-04-14
    oval:org.opensuse.security:def:119060
    P
    Security update for the Linux Kernel (Important)
    2022-04-14
    oval:org.opensuse.security:def:118644
    P
    Security update for the Linux Kernel (Important)
    2022-04-14
    oval:org.opensuse.security:def:42174
    P
    Security update for the Linux Kernel (Important)
    2022-04-14
    oval:org.opensuse.security:def:119177
    P
    Security update for the Linux Kernel (Important)
    2022-04-14
    oval:org.opensuse.security:def:118122
    P
    Security update for the Linux Kernel (Important)
    2022-04-14
    oval:org.opensuse.security:def:118680
    P
    Security update for the Linux Kernel (Important)
    2022-04-14
    oval:org.opensuse.security:def:119367
    P
    Security update for the Linux Kernel (Important)
    2022-04-14
    oval:org.opensuse.security:def:100390
    P
    (Important)
    2022-03-30
    oval:org.opensuse.security:def:843
    P
    Security update for the Linux Kernel (Important)
    2022-03-30
    oval:org.opensuse.security:def:42254
    P
    Security update for the Linux Kernel (Important)
    2022-03-30
    oval:org.opensuse.security:def:101889
    P
    Security update for the Linux Kernel (Important)
    2022-03-30
    oval:org.opensuse.security:def:99463
    P
    (Important)
    2022-03-30
    oval:org.opensuse.security:def:1298
    P
    Security update for the Linux Kernel (Important)
    2022-03-30
    oval:org.opensuse.security:def:102154
    P
    Security update for the Linux Kernel (Important)
    2022-03-30
    oval:org.opensuse.security:def:1795
    P
    Security update for the Linux Kernel (Important)
    2022-03-30
    oval:org.opensuse.security:def:100723
    P
    (Important)
    2022-03-30
    oval:org.opensuse.security:def:1150
    P
    Security update for the Linux Kernel (Important)
    2022-03-30
    oval:org.opensuse.security:def:42255
    P
    Security update for the Linux Kernel (Important)
    2022-03-30
    oval:org.opensuse.security:def:1555
    P
    Security update for the Linux Kernel (Important)
    2022-03-30
    oval:org.opensuse.security:def:101950
    P
    Security update for the Linux Kernel (Live Patch 15 for SLE 15 SP3) (Important)
    2022-03-30
    oval:org.opensuse.security:def:99725
    P
    (Important)
    2022-03-30
    oval:org.opensuse.security:def:102304
    P
    Security update for the Linux Kernel (Important)
    2022-03-30
    oval:org.opensuse.security:def:101574
    P
    Security update for the Linux Kernel (Important)
    2022-03-30
    oval:org.opensuse.security:def:1229
    P
    Security update for the Linux Kernel (Important)
    2022-03-30
    oval:org.opensuse.security:def:1594
    P
    Security update for the Linux Kernel (Important)
    2022-03-30
    oval:org.opensuse.security:def:101951
    P
    Security update for the Linux Kernel (Important)
    2022-03-30
    oval:org.opensuse.security:def:100056
    P
    (Important)
    2022-03-30
    oval:org.opensuse.security:def:102347
    P
    Security update for the Linux Kernel (Important)
    2022-03-30
    oval:org.opensuse.security:def:101828
    P
    Security update for the Linux Kernel (Important)
    2022-03-30
    oval:org.opensuse.security:def:99193
    P
    (Important)
    2022-03-30
    oval:org.opensuse.security:def:1297
    P
    Security update for the Linux Kernel (Live Patch 15 for SLE 15 SP3) (Important)
    2022-03-30
    oval:org.opensuse.security:def:102119
    P
    Security update for the Linux Kernel (Important)
    2022-03-30
    oval:org.opensuse.security:def:1746
    P
    Security update for the Linux Kernel (Important)
    2022-03-30
    oval:org.opensuse.security:def:118277
    P
    Security update for the Linux Kernel (Live Patch 25 for SLE 15 SP2) (Important)
    2022-03-29
    oval:com.redhat.rhsa:def:20220849
    P
    RHSA-2022:0849: kpatch-patch security update (Important)
    2022-03-14
    oval:com.redhat.rhsa:def:20220825
    P
    RHSA-2022:0825: kernel security, bug fix, and enhancement update (Important)
    2022-03-10
    oval:com.redhat.rhsa:def:20220819
    P
    RHSA-2022:0819: kernel-rt security and bug fix update (Important)
    2022-03-10
    oval:org.opensuse.security:def:102023
    P
    Security update for the Linux Kernel (Live Patch 7 for SLE 15 SP3) (Important)
    2022-03-02
    oval:org.opensuse.security:def:1445
    P
    Security update for the Linux Kernel (Live Patch 2 for SLE 15 SP3) (Important)
    2022-03-02
    oval:org.opensuse.security:def:125405
    P
    Security update for the Linux Kernel (Live Patch 21 for SLE 12 SP4) (Important)
    2022-03-02
    oval:org.opensuse.security:def:1442
    P
    Security update for the Linux Kernel (Live Patch 10 for SLE 15 SP3) (Important)
    2022-03-02
    oval:org.opensuse.security:def:102024
    P
    Security update for the Linux Kernel (Live Patch 4 for SLE 15 SP3) (Important)
    2022-03-02
    oval:org.opensuse.security:def:1443
    P
    Security update for the Linux Kernel (Live Patch 7 for SLE 15 SP3) (Important)
    2022-03-02
    oval:org.opensuse.security:def:102025
    P
    Security update for the Linux Kernel (Live Patch 2 for SLE 15 SP3) (Important)
    2022-03-02
    oval:org.opensuse.security:def:102022
    P
    Security update for the Linux Kernel (Live Patch 10 for SLE 15 SP3) (Important)
    2022-03-02
    oval:org.opensuse.security:def:1444
    P
    Security update for the Linux Kernel (Live Patch 4 for SLE 15 SP3) (Important)
    2022-03-02
    oval:org.opensuse.security:def:1434
    P
    Security update for the Linux Kernel (Live Patch 12 for SLE 15 SP3) (Important)
    2022-03-01
    oval:org.opensuse.security:def:125401
    P
    Security update for the Linux Kernel (Live Patch 23 for SLE 12 SP4) (Important)
    2022-03-01
    oval:org.opensuse.security:def:4694
    P
    Security update for the Linux Kernel (Live Patch 22 for SLE 12 SP5) (Important)
    2022-03-01
    oval:org.opensuse.security:def:118264
    P
    Security update for the Linux Kernel (Live Patch 13 for SLE 15 SP2) (Important)
    2022-03-01
    oval:org.opensuse.security:def:102016
    P
    Security update for the Linux Kernel (Live Patch 9 for SLE 15 SP3) (Important)
    2022-03-01
    oval:org.opensuse.security:def:118257
    P
    Security update for the Linux Kernel (Live Patch 20 for SLE 15 SP2) (Important)
    2022-03-01
    oval:org.opensuse.security:def:1438
    P
    Security update for the Linux Kernel (Live Patch 5 for SLE 15 SP3) (Important)
    2022-03-01
    oval:org.opensuse.security:def:4698
    P
    Security update for the Linux Kernel (Live Patch 18 for SLE 12 SP5) (Important)
    2022-03-01
    oval:org.opensuse.security:def:4691
    P
    Security update for the Linux Kernel (Live Patch 25 for SLE 12 SP5) (Important)
    2022-03-01
    oval:org.opensuse.security:def:102020
    P
    Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP3) (Important)
    2022-03-01
    oval:org.opensuse.security:def:118261
    P
    Security update for the Linux Kernel (Live Patch 16 for SLE 15 SP2) (Important)
    2022-03-01
    oval:org.opensuse.security:def:102013
    P
    Security update for the Linux Kernel (Live Patch 13 for SLE 15 SP3) (Important)
    2022-03-01
    oval:org.opensuse.security:def:118254
    P
    Security update for the Linux Kernel (Live Patch 23 for SLE 15 SP2) (Important)
    2022-03-01
    oval:org.opensuse.security:def:1435
    P
    Security update for the Linux Kernel (Live Patch 11 for SLE 15 SP3) (Important)
    2022-03-01
    oval:org.opensuse.security:def:125402
    P
    Security update for the Linux Kernel (Live Patch 22 for SLE 12 SP4) (Important)
    2022-03-01
    oval:org.opensuse.security:def:4695
    P
    Security update for the Linux Kernel (Live Patch 21 for SLE 12 SP5) (Important)
    2022-03-01
    oval:org.opensuse.security:def:118265
    P
    Security update for the Linux Kernel (Live Patch 12 for SLE 15 SP2) (Important)
    2022-03-01
    oval:org.opensuse.security:def:102017
    P
    Security update for the Linux Kernel (Live Patch 6 for SLE 15 SP3) (Important)
    2022-03-01
    oval:org.opensuse.security:def:118258
    P
    Security update for the Linux Kernel (Live Patch 19 for SLE 15 SP2) (Important)
    2022-03-01
    oval:org.opensuse.security:def:1439
    P
    Security update for the Linux Kernel (Live Patch 3 for SLE 15 SP3) (Important)
    2022-03-01
    oval:org.opensuse.security:def:1432
    P
    Security update for the Linux Kernel (Live Patch 14 for SLE 15 SP3) (Important)
    2022-03-01
    oval:org.opensuse.security:def:4699
    P
    Security update for the Linux Kernel (Live Patch 17 for SLE 12 SP5) (Important)
    2022-03-01
    oval:org.opensuse.security:def:4692
    P
    Security update for the Linux Kernel (Live Patch 24 for SLE 12 SP5) (Important)
    2022-03-01
    oval:org.opensuse.security:def:102021
    P
    Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP3) (Important)
    2022-03-01
    oval:org.opensuse.security:def:118262
    P
    Security update for the Linux Kernel (Live Patch 15 for SLE 15 SP2) (Important)
    2022-03-01
    oval:org.opensuse.security:def:102014
    P
    Security update for the Linux Kernel (Live Patch 12 for SLE 15 SP3) (Important)
    2022-03-01
    oval:org.opensuse.security:def:118255
    P
    Security update for the Linux Kernel (Live Patch 22 for SLE 15 SP2) (Important)
    2022-03-01
    oval:org.opensuse.security:def:1436
    P
    Security update for the Linux Kernel (Live Patch 9 for SLE 15 SP3) (Important)
    2022-03-01
    oval:org.opensuse.security:def:125403
    P
    Security update for the Linux Kernel (Live Patch 20 for SLE 12 SP4) (Important)
    2022-03-01
    oval:org.opensuse.security:def:4696
    P
    Security update for the Linux Kernel (Live Patch 20 for SLE 12 SP5) (Important)
    2022-03-01
    oval:org.opensuse.security:def:118266
    P
    Security update for the Linux Kernel (Live Patch 11 for SLE 15 SP2) (Important)
    2022-03-01
    oval:org.opensuse.security:def:102018
    P
    Security update for the Linux Kernel (Live Patch 5 for SLE 15 SP3) (Important)
    2022-03-01
    oval:org.opensuse.security:def:118259
    P
    Security update for the Linux Kernel (Live Patch 18 for SLE 15 SP2) (Important)
    2022-03-01
    oval:org.opensuse.security:def:1440
    P
    Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP3) (Important)
    2022-03-01
    oval:org.opensuse.security:def:1433
    P
    Security update for the Linux Kernel (Live Patch 13 for SLE 15 SP3) (Important)
    2022-03-01
    oval:org.opensuse.security:def:4700
    P
    Security update for the Linux Kernel (Live Patch 16 for SLE 12 SP5) (Important)
    2022-03-01
    oval:org.opensuse.security:def:4693
    P
    Security update for the Linux Kernel (Live Patch 23 for SLE 12 SP5) (Important)
    2022-03-01
    oval:org.opensuse.security:def:118263
    P
    Security update for the Linux Kernel (Live Patch 14 for SLE 15 SP2) (Important)
    2022-03-01
    oval:org.opensuse.security:def:102015
    P
    Security update for the Linux Kernel (Live Patch 11 for SLE 15 SP3) (Important)
    2022-03-01
    oval:org.opensuse.security:def:118256
    P
    Security update for the Linux Kernel (Live Patch 21 for SLE 15 SP2) (Important)
    2022-03-01
    oval:org.opensuse.security:def:1437
    P
    Security update for the Linux Kernel (Live Patch 6 for SLE 15 SP3) (Important)
    2022-03-01
    oval:org.opensuse.security:def:125404
    P
    Security update for the Linux Kernel (Live Patch 19 for SLE 12 SP4) (Important)
    2022-03-01
    oval:org.opensuse.security:def:4697
    P
    Security update for the Linux Kernel (Live Patch 19 for SLE 12 SP5) (Important)
    2022-03-01
    oval:org.opensuse.security:def:4690
    P
    Security update for the Linux Kernel (Live Patch 26 for SLE 12 SP5) (Important)
    2022-03-01
    oval:org.opensuse.security:def:102019
    P
    Security update for the Linux Kernel (Live Patch 3 for SLE 15 SP3) (Important)
    2022-03-01
    oval:org.opensuse.security:def:118260
    P
    Security update for the Linux Kernel (Live Patch 17 for SLE 15 SP2) (Important)
    2022-03-01
    oval:org.opensuse.security:def:102012
    P
    Security update for the Linux Kernel (Live Patch 14 for SLE 15 SP3) (Important)
    2022-03-01
    oval:org.opensuse.security:def:1441
    P
    Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP3) (Important)
    2022-03-01
    oval:org.opensuse.security:def:118253
    P
    Security update for the Linux Kernel (Live Patch 24 for SLE 15 SP2) (Important)
    2022-03-01
    oval:com.redhat.rhsa:def:20220620
    P
    RHSA-2022:0620: kernel security and bug fix update (Important)
    2022-02-22
    oval:com.redhat.rhsa:def:20220622
    P
    RHSA-2022:0622: kernel-rt security and bug fix update (Important)
    2022-02-22
    oval:com.redhat.rhsa:def:20220592
    P
    RHSA-2022:0592: kpatch-patch security update (Important)
    2022-02-22
    oval:org.opensuse.security:def:125797
    P
    Security update for the Linux Kernel (Important)
    2022-02-11
    oval:org.opensuse.security:def:125120
    P
    Security update for the Linux Kernel (Important)
    2022-02-11
    oval:org.opensuse.security:def:126960
    P
    Security update for the Linux Kernel (Important)
    2022-02-11
    oval:org.opensuse.security:def:125394
    P
    Security update for the Linux Kernel (Important)
    2022-02-11
    oval:org.opensuse.security:def:127358
    P
    Security update for the Linux Kernel (Important)
    2022-02-11
    oval:org.opensuse.security:def:4742
    P
    Security update for the Linux Kernel (Important)
    2022-01-17
    oval:org.opensuse.security:def:21845
    P
    Security update for the Linux Kernel (Important)
    2022-01-17
    oval:org.opensuse.security:def:6188
    P
    Security update for the Linux Kernel (Important)
    2022-01-14
    oval:org.opensuse.security:def:60505
    P
    Security update for the Linux Kernel (Important)
    2022-01-14
    oval:org.opensuse.security:def:34682
    P
    Security update for the Linux Kernel (Important)
    2022-01-14
    oval:org.opensuse.security:def:4701
    P
    Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:60504
    P
    Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:19626
    P
    Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:34681
    P
    Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:20589
    P
    Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:6359
    P
    Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:5357
    P
    Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:61117
    P
    Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:4305
    P
    Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:35294
    P
    Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:6177
    P
    Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:26227
    P
    Security update for the Linux Kernel (Important)
    2022-01-13
    BACK
    google android *
    debian debian linux 9.0
    google android -
    ibm qradar network security 5.4.0
    ibm qradar network security 5.5.0
    ibm qradar network packet capture 7.3
    ibm security guardium 11.3
    ibm security guardium 11.4