CVE-2021-44733

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Summary

CVECVE-2021-44733
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-12-22 17:15:00 UTC
Updated2023-11-09 14:44:00 UTC
DescriptionA use-after-free exists in drivers/tee/tee_shm.c in the TEE subsystem in the Linux kernel through 5.15.11. This occurs because of a race condition in tee_shm_get_from_id during an attempt to free a shared memory object.

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 11.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Operating System Fedoraproject Fedora 35 All All All
Operating System Linux Linux Kernel All All All All
Hardware Netapp Baseboard Management Controller h300e All All All
Hardware Netapp Baseboard Management Controller h300s All All All
Hardware Netapp Baseboard Management Controller h410c All All All
Hardware Netapp Baseboard Management Controller h410s All All All
Hardware Netapp Baseboard Management Controller h500e All All All
Hardware Netapp Baseboard Management Controller h500s All All All
Hardware Netapp Baseboard Management Controller h700e All All All
Hardware Netapp Baseboard Management Controller h700s All All All
Operating System Netapp Baseboard Management Controller Firmware - All All All
Hardware Netapp Baseboard Management Controller H300e - All All All
Operating System Netapp Baseboard Management Controller H300e Firmware - All All All
Hardware Netapp Baseboard Management Controller H300s - All All All
Operating System Netapp Baseboard Management Controller H300s Firmware - All All All
Hardware Netapp Baseboard Management Controller H410c - All All All
Operating System Netapp Baseboard Management Controller H410c Firmware - All All All
Hardware Netapp Baseboard Management Controller H410s - All All All
Operating System Netapp Baseboard Management Controller H410s Firmware - All All All
Hardware Netapp Baseboard Management Controller H500e - All All All
Operating System Netapp Baseboard Management Controller H500e Firmware - All All All
Hardware Netapp Baseboard Management Controller H500s - All All All
Operating System Netapp Baseboard Management Controller H500s Firmware - All All All
Hardware Netapp Baseboard Management Controller H700e - All All All
Operating System Netapp Baseboard Management Controller H700e Firmware - All All All
Hardware Netapp Baseboard Management Controller H700s - All All All
Operating System Netapp Baseboard Management Controller H700s Firmware - 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
Operating System Redhat Enterprise Linux 8.0 All All All

References

ReferenceSourceLinkTags
[SECURITY] [DLA 2941-1] linux-4.19 security update MLIST lists.debian.org
[PATCH v2] tee: handle lookup of shm with reference count 0 - Jens Wiklander lore.kernel.org
kernel/git/torvalds/linux.git - Linux kernel source tree MISC git.kernel.org
[PATCH v2] tee: handle lookup of shm with reference count 0 - Jens Wiklander MISC lore.kernel.org
optee-qemu/README.md at main · pjlantz/optee-qemu · GitHub MISC github.com
Debian -- Security Information -- DSA-5096-1 linux DEBIAN www.debian.org
January 2022 Linux Kernel Vulnerabilities in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159641 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2022-9147)
  • 159642 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel-container (ELSA-2022-9148)
  • 159825 Oracle Enterprise Linux Security Update for kernel (ELSA-2022-1988)
  • 179117 Debian Security Update for linux (DSA 5096-1)
  • 179119 Debian Security Update for linux-4.19 (DLA 2941-1)
  • 179523 Debian Security Update for linux (CVE-2021-44733)
  • 198659 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5278-1)
  • 198707 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5339-1)
  • 198708 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5337-1)
  • 198709 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5338-1)
  • 198731 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5368-1)
  • 198740 Ubuntu Security Notification for Linux kernel (BlueField) Vulnerabilities (USN-5377-1)
  • 240275 Red Hat Update for kernel-rt (RHSA-2022:1975)
  • 240298 Red Hat Update for kernel security (RHSA-2022:1988)
  • 353151 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2022-009
  • 353160 Amazon Linux Security Advisory for kernel : ALAS2-2022-1749
  • 376925 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2022:0125)
  • 610418 Google Pixel Android June 2022 Security Patch Missing
  • 6140385 AWS Bottlerocket Security Update for kernel (GHSA-vhpv-55cp-2cw3)
  • 671436 EulerOS Security Update for kernel (EulerOS-SA-2022-1352)
  • 671448 EulerOS Security Update for kernel (EulerOS-SA-2022-1450)
  • 671474 EulerOS Security Update for kernel (EulerOS-SA-2022-1429)
  • 671505 EulerOS Security Update for kernel (EulerOS-SA-2022-1489)
  • 671535 EulerOS Security Update for kernel (EulerOS-SA-2022-1508)
  • 751654 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0197-1)
  • 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)
  • 751700 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2022:0363-1)
  • 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)
  • 751704 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2022:0370-1)
  • 752005 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0370-1)
  • 753194 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0288-1)
  • 753212 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0363-1)
  • 753462 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0289-1)
  • 900420 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (7060)
  • 901435 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (7063-1)
  • 905766 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (7060-1)
  • 940517 AlmaLinux Security Update for kernel (ALSA-2022:1988)
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