Rapid7 Vulnerability & Exploit Database

Ubuntu: (Multiple Advisories) (CVE-2021-43389): Linux kernel (OEM 5.10) vulnerabilities

Free InsightVM Trial No Credit Card Necessary
Watch Demo See how it all works
Back to Search

Ubuntu: (Multiple Advisories) (CVE-2021-43389): Linux kernel (OEM 5.10) vulnerabilities

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
11/04/2021
Created
11/13/2021
Added
11/11/2021
Modified
03/22/2023

Description

An issue was discovered in the Linux kernel before 5.14.15. There is an array-index-out-of-bounds flaw in the detach_capi_ctr function in drivers/isdn/capi/kcapi.c.

Solution(s)

  • ubuntu-upgrade-linux-image-4-15-0-1033-dell300x
  • ubuntu-upgrade-linux-image-4-15-0-1085-oracle
  • ubuntu-upgrade-linux-image-4-15-0-1101-raspi2
  • ubuntu-upgrade-linux-image-4-15-0-1105-kvm
  • ubuntu-upgrade-linux-image-4-15-0-1114-gcp
  • ubuntu-upgrade-linux-image-4-15-0-1118-aws
  • ubuntu-upgrade-linux-image-4-15-0-1118-snapdragon
  • ubuntu-upgrade-linux-image-4-15-0-1129-azure
  • ubuntu-upgrade-linux-image-4-15-0-166-generic
  • ubuntu-upgrade-linux-image-4-15-0-166-generic-lpae
  • ubuntu-upgrade-linux-image-4-15-0-166-lowlatency
  • ubuntu-upgrade-linux-image-4-4-0-1102-aws
  • ubuntu-upgrade-linux-image-4-4-0-1103-kvm
  • ubuntu-upgrade-linux-image-4-4-0-1138-aws
  • ubuntu-upgrade-linux-image-4-4-0-222-generic
  • ubuntu-upgrade-linux-image-4-4-0-222-lowlatency
  • ubuntu-upgrade-linux-image-5-10-0-1051-oem
  • ubuntu-upgrade-linux-image-5-11-0-1021-kvm
  • ubuntu-upgrade-linux-image-5-11-0-1023-aws
  • ubuntu-upgrade-linux-image-5-11-0-1023-azure
  • ubuntu-upgrade-linux-image-5-11-0-1023-oracle
  • ubuntu-upgrade-linux-image-5-11-0-1024-gcp
  • ubuntu-upgrade-linux-image-5-11-0-1024-raspi
  • ubuntu-upgrade-linux-image-5-11-0-1024-raspi-nolpae
  • ubuntu-upgrade-linux-image-5-11-0-44-generic
  • ubuntu-upgrade-linux-image-5-11-0-44-generic-64k
  • ubuntu-upgrade-linux-image-5-11-0-44-generic-lpae
  • ubuntu-upgrade-linux-image-5-11-0-44-lowlatency
  • ubuntu-upgrade-linux-image-5-13-0-1007-kvm
  • ubuntu-upgrade-linux-image-5-13-0-1008-aws
  • ubuntu-upgrade-linux-image-5-13-0-1008-gcp
  • ubuntu-upgrade-linux-image-5-13-0-1009-azure
  • ubuntu-upgrade-linux-image-5-13-0-1011-oracle
  • ubuntu-upgrade-linux-image-5-13-0-1012-raspi
  • ubuntu-upgrade-linux-image-5-13-0-1012-raspi-nolpae
  • ubuntu-upgrade-linux-image-5-13-0-1026-oem
  • ubuntu-upgrade-linux-image-5-13-0-23-generic
  • ubuntu-upgrade-linux-image-5-13-0-23-generic-64k
  • ubuntu-upgrade-linux-image-5-13-0-23-generic-lpae
  • ubuntu-upgrade-linux-image-5-13-0-23-lowlatency
  • ubuntu-upgrade-linux-image-5-14-0-1008-oem
  • ubuntu-upgrade-linux-image-5-4-0-1010-ibm
  • ubuntu-upgrade-linux-image-5-4-0-1023-bluefield
  • ubuntu-upgrade-linux-image-5-4-0-1029-gkeop
  • ubuntu-upgrade-linux-image-5-4-0-1048-raspi
  • ubuntu-upgrade-linux-image-5-4-0-1051-kvm
  • ubuntu-upgrade-linux-image-5-4-0-1057-gke
  • ubuntu-upgrade-linux-image-5-4-0-1059-gcp
  • ubuntu-upgrade-linux-image-5-4-0-1059-oracle
  • ubuntu-upgrade-linux-image-5-4-0-1060-gcp
  • ubuntu-upgrade-linux-image-5-4-0-1065-azure
  • ubuntu-upgrade-linux-image-5-4-0-92-generic
  • ubuntu-upgrade-linux-image-5-4-0-92-generic-lpae
  • ubuntu-upgrade-linux-image-5-4-0-92-lowlatency
  • ubuntu-upgrade-linux-image-5-4-0-94-generic
  • ubuntu-upgrade-linux-image-5-4-0-94-generic-lpae
  • ubuntu-upgrade-linux-image-5-4-0-94-lowlatency
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-aws-hwe
  • ubuntu-upgrade-linux-image-aws-lts-18-04
  • ubuntu-upgrade-linux-image-aws-lts-20-04
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-azure-lts-18-04
  • ubuntu-upgrade-linux-image-azure-lts-20-04
  • ubuntu-upgrade-linux-image-bluefield
  • ubuntu-upgrade-linux-image-dell300x
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-gcp-lts-18-04
  • ubuntu-upgrade-linux-image-gcp-lts-20-04
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-64k
  • ubuntu-upgrade-linux-image-generic-64k-hwe-20-04
  • ubuntu-upgrade-linux-image-generic-hwe-16-04
  • ubuntu-upgrade-linux-image-generic-hwe-18-04
  • ubuntu-upgrade-linux-image-generic-hwe-20-04
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-generic-lpae-hwe-18-04
  • ubuntu-upgrade-linux-image-generic-lpae-hwe-20-04
  • ubuntu-upgrade-linux-image-generic-lts-xenial
  • ubuntu-upgrade-linux-image-gke
  • ubuntu-upgrade-linux-image-gke-5-4
  • ubuntu-upgrade-linux-image-gkeop
  • ubuntu-upgrade-linux-image-gkeop-5-4
  • ubuntu-upgrade-linux-image-ibm
  • ubuntu-upgrade-linux-image-ibm-lts-20-04
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-hwe-16-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-18-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-20-04
  • ubuntu-upgrade-linux-image-lowlatency-lts-xenial
  • ubuntu-upgrade-linux-image-oem
  • ubuntu-upgrade-linux-image-oem-20-04
  • ubuntu-upgrade-linux-image-oem-20-04b
  • ubuntu-upgrade-linux-image-oem-20-04c
  • ubuntu-upgrade-linux-image-oem-20-04d
  • ubuntu-upgrade-linux-image-oem-osp1
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-oracle-lts-18-04
  • ubuntu-upgrade-linux-image-oracle-lts-20-04
  • ubuntu-upgrade-linux-image-raspi
  • ubuntu-upgrade-linux-image-raspi-hwe-18-04
  • ubuntu-upgrade-linux-image-raspi-nolpae
  • ubuntu-upgrade-linux-image-raspi2
  • ubuntu-upgrade-linux-image-snapdragon
  • ubuntu-upgrade-linux-image-snapdragon-hwe-18-04
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-16-04
  • ubuntu-upgrade-linux-image-virtual-hwe-18-04
  • ubuntu-upgrade-linux-image-virtual-hwe-20-04
  • ubuntu-upgrade-linux-image-virtual-lts-xenial

References

  • https://attackerkb.com/topics/cve-2021-43389
  • CVE - 2021-43389
  • DSA-5096
  • CVE-2021-43389
  • USN-4465-1
  • USN-4483-1
  • USN-4485-1
  • USN-4945-1
  • USN-4945-2
  • USN-4946-1
  • USN-4947-1
  • USN-4948-1
  • USN-4949-1
  • USN-4977-1
  • USN-4979-1
  • USN-4982-1
  • USN-4984-1
  • USN-4989-1
  • USN-4989-2
  • USN-4997-1
  • USN-4997-2
  • USN-4999-1
  • USN-5000-1
  • USN-5000-2
  • USN-5001-1
  • USN-5015-1
  • USN-5016-1
  • USN-5017-1
  • USN-5018-1
  • USN-5044-1
  • USN-5045-1
  • USN-5046-1
  • USN-5050-1
  • USN-5070-1
  • USN-5071-1
  • USN-5071-2
  • USN-5071-3
  • USN-5073-1
  • USN-5073-2
  • USN-5073-3
  • USN-5091-1
  • USN-5091-2
  • USN-5092-1
  • USN-5092-2
  • USN-5094-1
  • USN-5094-2
  • USN-5096-1
  • USN-5106-1
  • USN-5113-1
  • USN-5114-1
  • USN-5115-1
  • USN-5116-1
  • USN-5116-2
  • USN-5120-1
  • USN-5136-1
  • USN-5137-1
  • USN-5137-2
  • USN-5139-1
  • USN-5165-1
  • USN-5208-1
  • USN-5209-1
  • USN-5210-1
  • USN-5210-2
  • USN-5218-1
  • USN-5278-1
  • USN-5299-1
  • USN-5302-1
  • USN-5337-1
  • USN-5338-1
  • USN-5339-1
  • USN-5343-1
  • USN-5362-1
  • USN-5368-1
  • USN-5377-1
View more

insightVM

Advanced vulnerability management analytics and reporting.
Key Features
Free InsightVM Trial View All Features

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;