CVE-2021-43389

Published on: 11/04/2021 12:00:00 AM UTC

Last Modified on: 12/17/2021 01:15:00 AM UTC

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Certain versions of Linux Kernel from Linux contain the following vulnerability:

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.

  • CVE-2021-43389 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.

CVSS3 Score: 5.5 - MEDIUM

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
LOCAL LOW LOW NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED NONE NONE HIGH

CVSS2 Score: 2.1 - LOW

Access
Vector
Access
Complexity
Authentication
LOCAL LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
NONE NONE PARTIAL

CVE References

Description Tags Link
There is an array-index-out-bounds bug in detach_capi_ctr in drivers/isdn/capi/kcapi.c - butt3rflyh4ck lore.kernel.org
text/html
URL Logo MISC lore.kernel.org/netdev/[email protected]om/
oss-security - Re: Linux kernel: isdn: cpai: array-index-out-of-bounds in detach_capi_ctr in drivers/isdn/capi/kcapi.c www.openwall.com
text/html
URL Logo MLIST [oss-security] 20211105 Re: Linux kernel: isdn: cpai: array-index-out-of-bounds in detach_capi_ctr in drivers/isdn/capi/kcapi.c
oss-sec: Linux kernel: isdn: cpai: array-index-out-of-bounds in detach_capi_ctr in drivers/isdn/capi/kcapi.c seclists.org
text/html
URL Logo MISC seclists.org/oss-sec/2021/q4/39
kernel/git/torvalds/linux.git - Linux kernel source tree git.kernel.org
text/html
URL Logo MISC git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1f3e2e97c003f80c4b087092b225c8787ff91e4d
2013180 – (CVE-2021-3896) CVE-2021-3896 kernel: an array-index-out-bounds in detach_capi_ctr in drivers/isdn/capi/kcapi.c bugzilla.redhat.com
text/html
URL Logo CONFIRM bugzilla.redhat.com/show_bug.cgi?id=2013180
cdn.kernel.org
text/plain
URL Logo MISC cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.15
[SECURITY] [DLA 2843-1] linux security update lists.debian.org
text/html
URL Logo MLIST [debian-lts-announce] 20211216 [SECURITY] [DLA 2843-1] linux security update

Related QID Numbers

  • 178943 Debian Security Update for linux (DLA 2843-1)
  • 198569 Ubuntu Security Notification for Linux kernel (OEM 5.10) Vulnerabilities (USN-5139-1)
  • 198589 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5165-1)
  • 198617 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5209-1)
  • 198618 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5210-1)
  • 198621 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5208-1)
  • 198627 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5218-1)
  • 671219 EulerOS Security Update for kernel (EulerOS-SA-2022-1030)
  • 671225 EulerOS Security Update for kernel (EulerOS-SA-2022-1010)
  • 751353 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:3675-1)
  • 751399 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:1501-1)
  • 751406 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:3806-1)
  • 751451 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3935-1)
  • 900451 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (6170)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
LinuxLinux KernelAllAllAllAll
Operating
System
RedhatEnterprise Linux8.0AllAllAll
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-43389 : An issue was discovered in the #Linux #kernel before 5.14.15. There is an array-index-out-of-bound… twitter.com/i/web/status/1… 2021-11-04 19:06:48
Twitter Icon @LinInfoSec Git - CVE-2021-43389: lore.kernel.org/netdev/CAFcO6X… 2021-11-04 23:07:04
© CVE.report 2022 Twitter Nitter Twitter Viewer |

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