CVE-2021-4083

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Summary

CVECVE-2021-4083
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-01-18 17:15:00 UTC
Updated2023-10-06 18:05:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-362

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 10.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Operating System Linux Linux Kernel All All All All
Operating System Linux Linux Kernel 5.16 rc1 All All
Operating System Linux Linux Kernel 5.16 rc2 All All
Operating System Linux Linux Kernel 5.16 rc3 All All
Operating System Linux Linux Kernel All All All All
Hardware Netapp H300e - All All All
Operating System Netapp H300e Firmware - All All All
Hardware Netapp H300s - All All All
Operating System Netapp H300s Firmware - All All All
Hardware Netapp H410c - All All All
Operating System Netapp H410c Firmware - All All All
Hardware Netapp H410s - All All All
Operating System Netapp H410s Firmware - All All All
Hardware Netapp H500e - All All All
Operating System Netapp H500e Firmware - All All All
Hardware Netapp H500s - All All All
Operating System Netapp H500s Firmware - All All All
Hardware Netapp H700e - All All All
Operating System Netapp H700e Firmware - All All All
Hardware Netapp H700s - All All All
Operating System Netapp H700s Firmware - All All All
Application Netapp Hci Management Node - All All All
Application Netapp Solidfire - All All All
Application Oracle Communications Cloud Native Core Binding Support Function 22.1.3 All All All
Application Oracle Communications Cloud Native Core Network Exposure Function 22.1.1 All All All
Application Oracle Communications Cloud Native Core Policy 22.2.0 All All All

References

ReferenceSourceLinkTags
CVE-2021-4083 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
[SECURITY] [DLA 2941-1] linux-4.19 security update MLIST lists.debian.org
[SECURITY] [DLA 2940-1] linux security update MLIST lists.debian.org
kernel/git/torvalds/linux.git - Linux kernel source tree MISC git.kernel.org
2029923 – (CVE-2021-4083) CVE-2021-4083 kernel: fget: check that the fd still exists after getting a ref to it MISC bugzilla.redhat.com
Debian -- Security Information -- DSA-5096-1 linux DEBIAN www.debian.org
Oracle Critical Patch Update Advisory - July 2022 N/A www.oracle.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 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)
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