Vulnerability Name:

CVE-2021-4149 (CCN-222536)

Assigned:2021-12-21
Published:2022-03-23
Updated:2023-02-01
Summary:
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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): None
Integrity (I): None
Availibility (A): High
4.7 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.1 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/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): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
3.8 Low (CCN CVSS v2 Vector: AV:L/AC:H/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-4149

Source: CCN
Type: Red Hat Bugzilla – Bug 2026485
(CVE-2021-4149) - CVE-2021-4149 kernel: Improper lock operation in btrfs

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

Source: XF
Type: UNKNOWN
linux-kernel-cve20214149-dos(222536)

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

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

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

Source: CCN
Type: Kernel Web site
The Linux Kernel Archives

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:linux:linux_kernel:5.15:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:4740
    P
    		Security update for the Linux RT Kernel (Critical)
    2022-02-22
    oval:org.opensuse.security:def:125120
    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:125394
    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:126960
    P
    		Security update for the Linux Kernel (Important)
    2022-02-11
    oval:org.opensuse.security:def:4677
    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:4304
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-10
    oval:org.opensuse.security:def:6158
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-10
    oval:org.opensuse.security:def:118439
    P
    		Security update for the Linux Kernel (Important)
    2022-02-02
    oval:org.opensuse.security:def:42333
    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:42191
    P
    		Security update for the Linux Kernel (Important)
    2022-02-02
    oval:org.opensuse.security:def:1237
    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:99741
    P
    		 (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:102353
    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:119225
    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:1375
    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:118646
    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:910
    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:119415
    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:100408
    P
    		 (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:42189
    P
    		Security update for the Linux Kernel (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:101893
    P
    		Security update for the Linux Kernel (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:99479
    P
    		 (Important)
    2022-01-26
    oval:org.opensuse.security:def:118182
    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:100742
    P
    		 (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: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:87575
    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:6188
    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:60505
    P
    		Security update for the Linux Kernel (Important)
    2022-01-14
    BACK
    linux linux kernel 5.15 -