Vulnerability CVE-2021-4202

Vulnerability Name:

CVE-2021-4202 (CCN-222608)

Assigned:

2021-11-17

Published:

2021-11-17

Updated:

2023-08-04

Summary:

CVSS v3 Severity:

7.0 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.1 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/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): Low 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:L/UI:N/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:L/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): Low Privileges Required (PR): Low 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 Consequences:

Gain Privileges

References:

Source: MITRE
Type: CNA
CVE-2021-4202

Source: secalert@redhat.com
Type: Mailing List, Third Party Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Mailing List, Third Party Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Mailing List, Third Party Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Issue Tracking, Patch, Third Party Advisory
secalert@redhat.com

Source: XF
Type: UNKNOWN
linux-kernel-cve20214202-priv-esc(222608)

Source: CCN
Type: Linux Kernel GIT Repository
NFC: reorder the logic in nfc_{un,}register_device

Source: secalert@redhat.com
Type: Exploit, Patch, Vendor Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Exploit, Patch, Vendor Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Exploit, Patch, Vendor Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Third Party Advisory
secalert@redhat.com

Source: CCN
Type: Mend Vulnerability Database
CVE-2021-4202

Vulnerable Configuration:

Configuration CCN 1:

cpe:/o:linux:linux_kernel:-:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:8029	P	kernel-docs-5.14.21-150500.53.2 on GA media (Moderate)	2023-06-20
oval:org.opensuse.security:def:8090	P	reiserfs-kmp-default-5.14.21-150500.53.2 on GA media (Moderate)	2023-06-12
oval:org.opensuse.security:def:7539	P	kernel-64kb-5.14.21-150500.53.2 on GA media (Moderate)	2023-06-12
oval:org.opensuse.security:def:3398	P	wpa_supplicant-2.6-15.10.1 on GA media (Moderate)	2022-06-28
oval:org.opensuse.security:def:3448	P	busybox-1.21.1-3.3 on GA media (Moderate)	2022-06-28
oval:org.opensuse.security:def:3453	P	clamav-0.101.3-1.19 on GA media (Moderate)	2022-06-28
oval:org.opensuse.security:def:3567	P	libXtst6-1.2.2-7.1 on GA media (Moderate)	2022-06-28
oval:org.opensuse.security:def:95083	P	kernel-azure-5.14.21-150400.12.1 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:94590	P	kernel-64kb-5.14.21-150400.22.1 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:95197	P	kernel-default-extra-5.14.21-150400.22.1 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:95028	P	kernel-docs-5.14.21-150400.22.1 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:2960	P	kernel-64kb-5.14.21-150400.22.1 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:95078	P	reiserfs-kmp-default-5.14.21-150400.22.1 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:4740	P	Security update for the Linux RT Kernel (Critical)	2022-02-22
oval:org.opensuse.security:def:102010	P	Security update for the Linux Kernel (Live Patch 6 for SLE 15 SP3) (Critical)	2022-02-17
oval:org.opensuse.security:def:1430	P	Security update for the Linux Kernel (Live Patch 6 for SLE 15 SP3) (Critical)	2022-02-17
oval:org.opensuse.security:def:102011	P	Security update for the Linux Kernel (Live Patch 7 for SLE 15 SP3) (Critical)	2022-02-17
oval:org.opensuse.security:def:1431	P	Security update for the Linux Kernel (Live Patch 7 for SLE 15 SP3) (Critical)	2022-02-17
oval:org.opensuse.security:def:118252	P	Security update for the Linux Kernel (Live Patch 11 for SLE 15 SP2) (Critical)	2022-02-17
oval:org.opensuse.security:def:102008	P	Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP3) (Critical)	2022-02-17
oval:org.opensuse.security:def:1428	P	Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP3) (Critical)	2022-02-17
oval:org.opensuse.security:def:102009	P	Security update for the Linux Kernel (Live Patch 2 for SLE 15 SP3) (Critical)	2022-02-17
oval:org.opensuse.security:def:1429	P	Security update for the Linux Kernel (Live Patch 2 for SLE 15 SP3) (Critical)	2022-02-17
oval:org.opensuse.security:def:118246	P	Security update for the Linux Kernel (Live Patch 18 for SLE 15 SP2) (Critical)	2022-02-16
oval:org.opensuse.security:def:102000	P	Security update for the Linux Kernel (Live Patch 3 for SLE 15 SP3) (Critical)	2022-02-16
oval:org.opensuse.security:def:4688	P	Security update for the Linux Kernel (Live Patch 26 for SLE 12 SP5) (Critical)	2022-02-16
oval:org.opensuse.security:def:125398	P	Security update for the Linux Kernel (Live Patch 21 for SLE 12 SP4) (Critical)	2022-02-16
oval:org.opensuse.security:def:1420	P	Security update for the Linux Kernel (Live Patch 3 for SLE 15 SP3) (Critical)	2022-02-16
oval:org.opensuse.security:def:4681	P	Security update for the Linux Kernel (Live Patch 19 for SLE 12 SP5) (Critical)	2022-02-16
oval:org.opensuse.security:def:118250	P	Security update for the Linux Kernel (Live Patch 22 for SLE 15 SP2) (Critical)	2022-02-16
oval:org.opensuse.security:def:102004	P	Security update for the Linux Kernel (Live Patch 10 for SLE 15 SP3) (Critical)	2022-02-16
oval:org.opensuse.security:def:118243	P	Security update for the Linux Kernel (Live Patch 15 for SLE 15 SP2) (Critical)	2022-02-16
oval:org.opensuse.security:def:1424	P	Security update for the Linux Kernel (Live Patch 10 for SLE 15 SP3) (Critical)	2022-02-16
oval:org.opensuse.security:def:4685	P	Security update for the Linux Kernel (Live Patch 23 for SLE 12 SP5) (Critical)	2022-02-16
oval:org.opensuse.security:def:125395	P	Security update for the Linux Kernel (Live Patch 18 for SLE 12 SP4) (Critical)	2022-02-16
oval:org.opensuse.security:def:4678	P	Security update for the Linux Kernel (Live Patch 16 for SLE 12 SP5) (Critical)	2022-02-16
oval:org.opensuse.security:def:118247	P	Security update for the Linux Kernel (Live Patch 19 for SLE 15 SP2) (Critical)	2022-02-16
oval:org.opensuse.security:def:102001	P	Security update for the Linux Kernel (Live Patch 4 for SLE 15 SP3) (Critical)	2022-02-16
oval:org.opensuse.security:def:118240	P	Security update for the Linux Kernel (Live Patch 12 for SLE 15 SP2) (Critical)	2022-02-16
oval:org.opensuse.security:def:4689	P	Security update for the Linux Kernel (Live Patch 27 for SLE 12 SP5) (Critical)	2022-02-16
oval:org.opensuse.security:def:125399	P	Security update for the Linux Kernel (Live Patch 22 for SLE 12 SP4) (Critical)	2022-02-16
oval:org.opensuse.security:def:1421	P	Security update for the Linux Kernel (Live Patch 4 for SLE 15 SP3) (Critical)	2022-02-16
oval:org.opensuse.security:def:4682	P	Security update for the Linux Kernel (Live Patch 20 for SLE 12 SP5) (Critical)	2022-02-16
oval:org.opensuse.security:def:118244	P	Security update for the Linux Kernel (Live Patch 16 for SLE 15 SP2) (Critical)	2022-02-16
oval:org.opensuse.security:def:4686	P	Security update for the Linux Kernel (Live Patch 24 for SLE 12 SP5) (Critical)	2022-02-16
oval:org.opensuse.security:def:125396	P	Security update for the Linux Kernel (Live Patch 19 for SLE 12 SP4) (Critical)	2022-02-16
oval:org.opensuse.security:def:4679	P	Security update for the Linux Kernel (Live Patch 17 for SLE 12 SP5) (Critical)	2022-02-16
oval:org.opensuse.security:def:118248	P	Security update for the Linux Kernel (Live Patch 20 for SLE 15 SP2) (Critical)	2022-02-16
oval:org.opensuse.security:def:102002	P	Security update for the Linux Kernel (Live Patch 5 for SLE 15 SP3) (Critical)	2022-02-16
oval:org.opensuse.security:def:118241	P	Security update for the Linux Kernel (Live Patch 13 for SLE 15 SP2) (Critical)	2022-02-16
oval:org.opensuse.security:def:125400	P	Security update for the Linux Kernel (Live Patch 23 for SLE 12 SP4) (Critical)	2022-02-16
oval:org.opensuse.security:def:1422	P	Security update for the Linux Kernel (Live Patch 5 for SLE 15 SP3) (Critical)	2022-02-16
oval:org.opensuse.security:def:4683	P	Security update for the Linux Kernel (Live Patch 21 for SLE 12 SP5) (Critical)	2022-02-16
oval:org.opensuse.security:def:118245	P	Security update for the Linux Kernel (Live Patch 17 for SLE 15 SP2) (Critical)	2022-02-16
oval:org.opensuse.security:def:101999	P	Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP3) (Critical)	2022-02-16
oval:org.opensuse.security:def:4687	P	Security update for the Linux Kernel (Live Patch 25 for SLE 12 SP5) (Critical)	2022-02-16
oval:org.opensuse.security:def:125397	P	Security update for the Linux Kernel (Live Patch 20 for SLE 12 SP4) (Critical)	2022-02-16
oval:org.opensuse.security:def:1419	P	Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP3) (Critical)	2022-02-16
oval:org.opensuse.security:def:4680	P	Security update for the Linux Kernel (Live Patch 18 for SLE 12 SP5) (Critical)	2022-02-16
oval:org.opensuse.security:def:118249	P	Security update for the Linux Kernel (Live Patch 21 for SLE 15 SP2) (Critical)	2022-02-16
oval:org.opensuse.security:def:102003	P	Security update for the Linux Kernel (Live Patch 9 for SLE 15 SP3) (Critical)	2022-02-16
oval:org.opensuse.security:def:118242	P	Security update for the Linux Kernel (Live Patch 14 for SLE 15 SP2) (Critical)	2022-02-16
oval:org.opensuse.security:def:1423	P	Security update for the Linux Kernel (Live Patch 9 for SLE 15 SP3) (Critical)	2022-02-16
oval:org.opensuse.security:def:4684	P	Security update for the Linux Kernel (Live Patch 22 for SLE 12 SP5) (Critical)	2022-02-16
oval:org.opensuse.security:def:126960	P	Security update for the Linux Kernel (Important)	2022-02-11
oval:org.opensuse.security:def:6159	P	Security update for the Linux Kernel (Critical)	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:125120	P	Security update for the Linux Kernel (Important)	2022-02-11
oval:org.opensuse.security:def:125797	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:6158	P	Security update for the Linux Kernel (Critical)	2022-02-10
oval:org.opensuse.security:def:4304	P	Security update for the Linux Kernel (Critical)	2022-02-10
oval:org.opensuse.security:def:6356	P	Security update for the Linux Kernel (Critical)	2022-02-10
oval:org.opensuse.security:def:5341	P	Security update for the Linux Kernel (Critical)	2022-02-10
oval:org.opensuse.security:def:4677	P	Security update for the Linux Kernel (Critical)	2022-02-10
oval:org.opensuse.security:def:42333	P	Security update for the Linux Kernel (Important)	2022-02-02
oval:org.opensuse.security:def:42191	P	Security update for the Linux Kernel (Important)	2022-02-02
oval:org.opensuse.security:def:118439	P	Security update for the Linux Kernel (Important)	2022-02-02
oval:org.opensuse.security:def:102156	P	Security update for the Linux Kernel (Important)	2022-02-02
oval:org.opensuse.security:def:1599	P	Security update for the Linux Kernel (Important)	2022-02-02
oval:org.opensuse.security:def:118182	P	Security update for the Linux Kernel (Important)	2022-01-26
oval:org.opensuse.security:def:100408	P	(Important)	2022-01-26
oval:org.opensuse.security:def:119415	P	Security update for the Linux Kernel (Important)	2022-01-26
oval:org.opensuse.security:def:102307	P	Security update for the Linux Kernel (Important)	2022-01-26
oval:org.opensuse.security:def:42189	P	Security update for the Linux Kernel (Important)	2022-01-26
oval:org.opensuse.security:def:101893	P	Security update for the Linux Kernel (Important)	2022-01-26
oval:org.opensuse.security:def:1751	P	Security update for the Linux Kernel (Important)	2022-01-26
oval:org.opensuse.security:def:99479	P	(Important)	2022-01-26
oval:org.opensuse.security:def:1237	P	Security update for the Linux Kernel (Important)	2022-01-26
oval:org.opensuse.security:def:118730	P	Security update for the Linux Kernel (Important)	2022-01-26
oval:org.opensuse.security:def:100742	P	(Important)	2022-01-26
oval:org.opensuse.security:def:119600	P	Security update for the Linux Kernel (Important)	2022-01-26
oval:org.opensuse.security:def:102353	P	Security update for the Linux Kernel (Important)	2022-01-26
oval:org.opensuse.security:def:101986	P	Security update for the Linux Kernel (Important)	2022-01-26
oval:org.opensuse.security:def:1805	P	Security update for the Linux Kernel (Important)	2022-01-26
oval:org.opensuse.security:def:99741	P	(Important)	2022-01-26
oval:org.opensuse.security:def:1375	P	Security update for the Linux Kernel (Important)	2022-01-26
oval:org.opensuse.security:def:118920	P	Security update for the Linux Kernel (Important)	2022-01-26
oval:org.opensuse.security:def:101612	P	Security update for the Linux Kernel (Important)	2022-01-26
oval:org.opensuse.security:def:910	P	Security update for the Linux Kernel (Important)	2022-01-26
oval:org.opensuse.security:def:42297	P	Security update for the Linux Kernel (Important)	2022-01-26
oval:org.opensuse.security:def:100070	P	(Important)	2022-01-26
oval:org.opensuse.security:def:119225	P	Security update for the Linux Kernel (Important)	2022-01-26
oval:org.opensuse.security:def:101844	P	Security update for the Linux Kernel (Important)	2022-01-26
oval:org.opensuse.security:def:99205	P	(Important)	2022-01-26
oval:org.opensuse.security:def:1176	P	Security update for the Linux Kernel (Important)	2022-01-26
oval:org.opensuse.security:def:118646	P	Security update for the Linux Kernel (Important)	2022-01-26
oval:org.opensuse.security:def:102122	P	Security update for the Linux Kernel (Important)	2022-01-25
oval:org.opensuse.security:def:1560	P	Security update for the Linux Kernel (Important)	2022-01-25
oval:org.opensuse.security:def:33111	P	Security update for the Linux Kernel (Important) (in QA)	2022-01-17
oval:org.opensuse.security:def:58934	P	Security update for the Linux Kernel (Important) (in QA)	2022-01-17
oval:org.opensuse.security:def:87575	P	Security update for the Linux Kernel (Important) (in QA)	2022-01-17

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