CVE-2021-44733

Published: Dic 22, 2021 Last Modified: Nov 21, 2024
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,0
Source: [email protected]
Attack Vector: local
Attack Complexity: high
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
MEDIUM 4,4
Source: [email protected]
Access Vector: local
Access Complexity: medium
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: partial

Description

AI Translation Available

A 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.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0026
Percentile
0,5th
Updated

EPSS Score Trend (Last 90 Days)

362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Draft
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Availability Confidentiality Integrity Access Control
Potential Impacts:
Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Dos: Resource Consumption (Other) Dos: Crash, Exit, Or Restart Dos: Instability Read Files Or Directories Read Application Data Execute Unauthorized Code Or Commands Gain Privileges Or Assume Identity Bypass Protection Mechanism
Applicable Platforms
Languages: C, C++, Java
Technologies: Mobile, ICS/OT
Likelihood of Exploit: Medium
View CWE Details
Operating System

Debian Linux by Debian

Product Information
Vendor Debian
Product Debian Linux
Version 10.0
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

H700E Firmware by Netapp

Product Information
Vendor Netapp
Product H700E Firmware
Version -
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

H300E Firmware by Netapp

Product Information
Vendor Netapp
Product H300E Firmware
Version -
cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

H410C Firmware by Netapp

Product Information
Vendor Netapp
Product H410C Firmware
Version -
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

H500E Firmware by Netapp

Product Information
Vendor Netapp
Product H500E Firmware
Version -
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Linux Kernel by Linux

Product Information
Vendor Linux
Product Linux Kernel
Version Range Affected
To 5.15.11 (inclusive)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

H700S Firmware by Netapp

Product Information
Vendor Netapp
Product H700S Firmware
Version -
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

H300S Firmware by Netapp

Product Information
Vendor Netapp
Product H300S Firmware
Version -
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

H500S Firmware by Netapp

Product Information
Vendor Netapp
Product H500S Firmware
Version -
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Fedora by Fedoraproject

Product Information
Vendor Fedoraproject
Product Fedora
Version 35
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

H410S Firmware by Netapp

Product Information
Vendor Netapp
Product H410S Firmware
Version -
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Debian Linux by Debian

Product Information
Vendor Debian
Product Debian Linux
Version 9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Enterprise Linux by Redhat

Product Information
Vendor Redhat
Product Enterprise Linux
Version 8.0
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Debian Linux by Debian

Product Information
Vendor Debian
Product Debian Linux
Version 11.0
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://github.com/pjlantz/optee-qemu/blob/main/README.md
Exploit Third Party Advisory
https://github.com/pjlantz/optee-qemu/blob/main/README.md
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux…
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dfd0…
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/li…
Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/…
https://lists.debian.org/debian-lts-announce/2022/03/msg000…
Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
https://lore.kernel.org/lkml/20211215092501.1861229-1-jens.…
https://lore.kernel.org/lkml/20211215092501.1861229-1-jens.wiklander%40linaro.o…
https://security.netapp.com/advisory/ntap-20220114-0003/
Third Party Advisory
https://security.netapp.com/advisory/ntap-20220114-0003/
https://www.debian.org/security/2022/dsa-5096
Third Party Advisory
https://www.debian.org/security/2022/dsa-5096
https://github.com/pjlantz/optee-qemu/blob/main/README.md
Exploit Third Party Advisory
https://github.com/pjlantz/optee-qemu/blob/main/README.md
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux…
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dfd0…
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/li…
Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/…
https://lists.debian.org/debian-lts-announce/2022/03/msg000…
Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
https://lore.kernel.org/lkml/20211215092501.1861229-1-jens.…
https://lore.kernel.org/lkml/20211215092501.1861229-1-jens.wiklander%40linaro.o…
https://security.netapp.com/advisory/ntap-20220114-0003/
Third Party Advisory
https://security.netapp.com/advisory/ntap-20220114-0003/
https://www.debian.org/security/2022/dsa-5096
Third Party Advisory
https://www.debian.org/security/2022/dsa-5096