🛡️ UBUNTU-CVE-2021-44733
⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2021-12-22
Updated 2026-06-15
Modified 2026-06-03
Fix URL N/A

Affected Packages

Software From version Fixed in
linux 5.4.0-105.119
linux-aws 5.4.0-1069.73
linux-aws-5.0
linux-aws-5.11
linux-aws-5.13 5.13.0-1019.21~20.04.1
linux-aws-5.3
linux-aws-5.4 5.4.0-1069.73~18.04.1
linux-aws-5.8
linux-aws-fips
linux-aws-hwe 4.15.0-1124.133~16.04.1
linux-azure 5.4.0-1073.76
linux-azure-4.15 4.15.0-1134.147
linux-azure-5.11
linux-azure-5.13 5.13.0-1021.24~20.04.1
linux-azure-5.3
linux-azure-5.4 5.4.0-1073.76~18.04.1
linux-azure-5.8
linux-azure-edge
linux-azure-fips
linux-bluefield
linux-dell300x 4.15.0-1038.43
linux-fips
linux-gcp 5.4.0-1068.72
linux-gcp-4.15 4.15.0-1119.133
linux-gcp-5.11
linux-gcp-5.13 5.13.0-1021.25~20.04.1
linux-gcp-5.3
linux-gcp-5.4 5.4.0-1068.72~18.04.1
linux-gcp-5.8
linux-gcp-fips
linux-gke 5.4.0-1066.69
linux-gke-4.15
linux-gke-5.4 5.4.0-1066.69~18.04.1
linux-gkeop 5.4.0-1037.38
linux-gkeop-5.4 5.4.0-1037.38~18.04.1
linux-hwe
linux-hwe-5.11
linux-hwe-5.13 5.13.0-37.42~20.04.1
linux-hwe-5.4 5.4.0-105.119~18.04.1
linux-hwe-5.8
linux-hwe-edge
linux-ibm 5.4.0-1018.20
linux-ibm-5.4 5.4.0-1018.20~18.04.1
linux-intel-5.13
linux-intel-iot-realtime
linux-kvm 5.4.0-1059.62
linux-oem
linux-oem-5.10
linux-oem-5.13
linux-oem-5.14 5.14.0-1022.24
linux-oem-5.6
linux-oracle 5.4.0-1067.72
linux-oracle-5.0
linux-oracle-5.11
linux-oracle-5.13 5.13.0-1025.30~20.04.1
linux-oracle-5.3
linux-oracle-5.4 5.4.0-1067.72~18.04.1
linux-oracle-5.8
linux-raspi 5.4.0-1056.63
linux-raspi-5.4 5.4.0-1056.63~18.04.1
linux-raspi-realtime
linux-raspi2
linux-realtime
linux-riscv
linux-riscv-5.11
linux-riscv-5.8
linux-snapdragon 4.15.0-1123.132

Similar Threats

Vulnerability Monitoring

Stay informed about vulnerabilities in your stack

BotEraser monitors your WordPress installation and notifies you when software you use appears in our vulnerability database.

Set Up Free Alerts →

No credit card required  ·  Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.