CVE-2021-4083

Published on: 01/18/2022 12:00:00 AM UTC

Last Modified on: 02/24/2023 03:11:00 PM UTC

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

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

A read-after-free memory flaw was found in the Linux kernel's garbage collection for Unix domain socket file handlers in the way users call close() and fget() simultaneously and can potentially trigger a race condition. This flaw allows a local user to crash the system or escalate their privileges on the system. This flaw affects Linux kernel versions prior to 5.16-rc4.

  • CVE-2021-4083 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 7 - HIGH

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

CVSS2 Score: 6.9 - MEDIUM

Access
Vector
Access
Complexity
Authentication
LOCAL MEDIUM NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
COMPLETE COMPLETE COMPLETE

CVE References

Description Tags Link
CVE-2021-4083 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security security.netapp.com
text/html
URL Logo CONFIRM security.netapp.com/advisory/ntap-20220217-0005/
[SECURITY] [DLA 2941-1] linux-4.19 security update lists.debian.org
text/html
URL Logo MLIST [debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update
[SECURITY] [DLA 2940-1] linux security update lists.debian.org
text/html
URL Logo MLIST [debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update
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=054aa8d439b9
2029923 – (CVE-2021-4083) CVE-2021-4083 kernel: fget: check that the fd still exists after getting a ref to it bugzilla.redhat.com
text/html
URL Logo MISC bugzilla.redhat.com/show_bug.cgi?id=2029923
Debian -- Security Information -- DSA-5096-1 linux www.debian.org
Depreciated Link
text/html
URL Logo DEBIAN DSA-5096
Oracle Critical Patch Update Advisory - July 2022 www.oracle.com
text/html
URL Logo MISC www.oracle.com/security-alerts/cpujul2022.html

Related QID Numbers

  • 159740 Oracle Enterprise Linux Security Update for kernel (ELSA-2022-1198)
  • 159825 Oracle Enterprise Linux Security Update for kernel (ELSA-2022-1988)
  • 179117 Debian Security Update for linux (DSA 5096-1)
  • 179118 Debian Security Update for linux (DLA 2940-1)
  • 179119 Debian Security Update for linux-4.19 (DLA 2941-1)
  • 180066 Debian Security Update for linux (CVE-2021-4083)
  • 198659 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5278-1)
  • 198665 Ubuntu Security Notification for Linux kernel (HWE) Vulnerabilities (USN-5295-1)
  • 198667 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5294-1)
  • 198673 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5295-2)
  • 198674 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5294-2)
  • 198676 Ubuntu Security Notification for Linux kernel (GKE) Vulnerabilities (USN-5297-1)
  • 198678 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5298-1)
  • 198728 Ubuntu Security Notification for Linux kernel (Intel IOTG) Vulnerabilities (USN-5362-1)
  • 240125 Red Hat Update for kernel-rt (RHSA-2022:0821)
  • 240129 Red Hat Update for kernel security (RHSA-2022:0820)
  • 240154 Red Hat Update for kpatch-patch (RHSA-2022:0925)
  • 240195 Red Hat Update for kpatch-patch (RHSA-2022:1185)
  • 240199 Red Hat Update for kernel security (RHSA-2022:1198)
  • 240200 Red Hat Update for kernel-rt (RHSA-2022:1199)
  • 240220 Red Hat Update for kernel-rt (RHSA-2022:1413)
  • 240221 Red Hat Update for kpatch-patch (RHSA-2022:1418)
  • 240224 Red Hat Update for kernel security (RHSA-2022:1455)
  • 240275 Red Hat Update for kernel-rt (RHSA-2022:1975)
  • 240298 Red Hat Update for kernel security (RHSA-2022:1988)
  • 240418 Red Hat Update for kpatch-patch (RHSA-2022:0851)
  • 240440 Red Hat Update for kernel (RHSA-2022:1324)
  • 240441 Red Hat Update for kpatch-patch (RHSA-2022:1103)
  • 353160 Amazon Linux Security Advisory for kernel : ALAS2-2022-1749
  • 353242 Amazon Linux Security Advisory for kernel : ALAC2012-2022-036
  • 353243 Amazon Linux Security Advisory for kmod-mlx5 : ALAC2012-2022-037
  • 353244 Amazon Linux Security Advisory for kmod-sfc : ALAC2012-2022-038
  • 377702 F5 BIG-IP Linux kernel vulnerability for cve-2021-4083 (K52379673)
  • 610412 Google Pixel Android May 2022 Security Patch Missing
  • 610420 Google Android June 2022 Security Patch Missing for Huawei EMUI
  • 610429 Google Android Devices September 2022 Security Patch Missing
  • 610438 Google Android October 2022 Security Patch Missing for Samsung
  • 671367 EulerOS Security Update for kernel (EulerOS-SA-2022-1308)
  • 671380 EulerOS Security Update for kernel (EulerOS-SA-2022-1292)
  • 671401 EulerOS Security Update for kernel (EulerOS-SA-2022-1328)
  • 671436 EulerOS Security Update for kernel (EulerOS-SA-2022-1352)
  • 671498 EulerOS Security Update for kernel (EulerOS-SA-2022-1466)
  • 671543 EulerOS Security Update for kernel (EulerOS-SA-2022-1475)
  • 671703 EulerOS Security Update for kernel (EulerOS-SA-2022-1735)
  • 751602 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0080-1)
  • 751654 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0197-1)
  • 751657 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2022:0198-1)
  • 751666 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2022:0169-1)
  • 751695 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0367-1)
  • 751696 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0364-1)
  • 751697 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0366-1)
  • 751698 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0362-1)
  • 751701 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2022:0366-1)
  • 751702 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0371-1)
  • 751703 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0372-1)
  • 751757 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 41 for SLE 12 SP3) (SUSE-SU-2022:0552-1)
  • 751993 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0198-1)
  • 753191 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 6 for SLE 15 SP3) (SUSE-SU-2022:0463-1)
  • 753194 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0288-1)
  • 753267 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0169-1)
  • 753291 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 11 for SLE 15 SP3) (SUSE-SU-2022:0436-1)
  • 753410 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 26 for SLE 12 SP5) (SUSE-SU-2022:0418-1)
  • 753462 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0289-1)
  • 900551 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (7805)
  • 905841 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (7805-1)
  • 940517 AlmaLinux Security Update for kernel (ALSA-2022:1988)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
DebianDebian Linux10.0AllAllAll
Operating
System
DebianDebian Linux9.0AllAllAll
Operating
System
LinuxLinux Kernel5.16rc1AllAll
Operating
System
LinuxLinux Kernel5.16rc2AllAll
Operating
System
LinuxLinux Kernel5.16rc3AllAll
Operating
System
LinuxLinux KernelAllAllAllAll
Hardware Device InfoNetappH300e-AllAllAll
Operating
System
NetappH300e Firmware-AllAllAll
Hardware Device InfoNetappH300s-AllAllAll
Operating
System
NetappH300s Firmware-AllAllAll
Hardware Device InfoNetappH410c-AllAllAll
Operating
System
NetappH410c Firmware-AllAllAll
Hardware Device InfoNetappH410s-AllAllAll
Operating
System
NetappH410s Firmware-AllAllAll
Hardware Device InfoNetappH500e-AllAllAll
Operating
System
NetappH500e Firmware-AllAllAll
Hardware Device InfoNetappH500s-AllAllAll
Operating
System
NetappH500s Firmware-AllAllAll
Hardware Device InfoNetappH700e-AllAllAll
Operating
System
NetappH700e Firmware-AllAllAll
Hardware Device InfoNetappH700s-AllAllAll
Operating
System
NetappH700s Firmware-AllAllAll
ApplicationNetappHci Management Node-AllAllAll
ApplicationNetappSolidfire-AllAllAll
ApplicationOracleCommunications Cloud Native Core Binding Support Function22.1.3AllAllAll
ApplicationOracleCommunications Cloud Native Core Network Exposure Function22.1.1AllAllAll
ApplicationOracleCommunications Cloud Native Core Policy22.2.0AllAllAll
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:*:
  • cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:*:
  • cpe:2.3:o:linux:linux_kernel:5.16:rc3:*:*:*:*:*:*:
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*:
  • cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*:
  • cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:*:
  • cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:*:*:*:*:*:*:*:
  • cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-4083 : A read-after-free memory flaw was found in the #Linux #kernel's garbage collection for Unix domain… twitter.com/i/web/status/1… 2022-01-18 17:15:45
Reddit Logo Icon /r/netcve CVE-2021-4083 2022-01-18 17:39:01
Reddit Logo Icon /r/k12cybersecurity MS-ISAC CYBERSECURITY ADVISORY - Multiple Vulnerabilities in Google Android OS Could Allow for Remote Code Execution - PATCH: NOW 2022-09-07 12:47:49
© CVE.report 2023 Twitter Nitter Twitter Viewer |

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