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CVE-2021-44733

nvd nist
Published: Dec 22, 2021Modified: Aug 5, 2026

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7.0
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.0 / Impact: 5.9
Source: NVD

Description

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.

Affected (18)

Show all products
Linux: Linux Kernel · Redhat: Enterprise Linux · Fedoraproject: Fedora · Debian: Debian Linux · Netapp: H410c Firmware, H300s Firmware, H500s Firmware, H700s Firmware, H300e Firmware, H500e Firmware, H700e Firmware, H410s Firmware
Linux
1 product
Linux Kernel
Redhat
1 product
Enterprise Linux
Fedoraproject
1 product
Fedora
Debian
1 product
Debian Linux
Netapp
8 products
H410c Firmware
H300s Firmware
H500s Firmware
H700s Firmware
H300e Firmware
H500e Firmware
H700e Firmware
H410s Firmware
Configuration A
5 vulnerable
Vulnerable SoftwareAffected Versions
Linux
Linux Kernel
From 4.12 to 4.14.261
Linux Kernel
From 4.15 to 4.19.224
Linux Kernel
From 4.20 to 5.4.170
Linux Kernel
From 5.11 to 5.15.12
Linux Kernel
From 5.5 to 5.10.89
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Enterprise Linux
Version 8.0
Configuration C
1 vulnerable
Vulnerable SoftwareAffected Versions
Fedora
Version 35
Configuration D
3 vulnerable
Vulnerable SoftwareAffected Versions
Debian
Debian Linux
Version 10.0
Debian Linux
Version 11.0
Debian Linux
Version 9.0
Configuration E
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
H410c Firmware
All versions
Running on/withPlatform Versions
Netapp
H410c
All versions
Configuration F
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
H300s Firmware
All versions
Running on/withPlatform Versions
Netapp
H300s
All versions
Configuration G
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
H500s Firmware
All versions
Running on/withPlatform Versions
Netapp
H500s
All versions
Configuration H
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
H700s Firmware
All versions
Running on/withPlatform Versions
Netapp
H700s
All versions
Configuration I
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
H300e Firmware
All versions
Running on/withPlatform Versions
Netapp
H300e
All versions
Configuration J
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
H500e Firmware
All versions
Running on/withPlatform Versions
Netapp
H500e
All versions
Configuration K
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
H700e Firmware
All versions
Running on/withPlatform Versions
Netapp
H700e
All versions
Configuration L
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
H410s Firmware
All versions
Running on/withPlatform Versions
Netapp
H410s
All versions

Related CWEs

CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

References (14)

Source: cve@mitre.org
Patch
Source: cve@mitre.org
Vendor Advisory
Source: cve@mitre.org
ExploitThird Party Advisory
Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.