CVE-2021-44733 - CVE House
Back to Database
Status published High CVE-2021-44733

A use-after-free exists in drivers/tee/tee_shm.c in the TEE subsystem in...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-44733

Credits & Attribution

No credits recorded in the NVD database.

References

More from linux

View All →
CVE-2022-48619
An issue was discovered in drivers/input/input.c in the Linux kernel...
Unknown 0
CVE-2022-48502
An issue was discovered in the Linux kernel before 6.2....
High 7.1
CVE-2022-48425
In the Linux kernel through 6.2.7, fs/ntfs3/inode.c has an invalid...
Unknown 0
CVE-2022-48424
In the Linux kernel before 6.1.3, fs/ntfs3/inode.c does not validate...
Unknown 0
CVE-2022-48423
In the Linux kernel before 6.1.3, fs/ntfs3/record.c does not validate...
Unknown 0

Affected Vendor

Affected Software

linux kernel, enterprise linux, fedora, debian linux, h410c firmware, h300s firmware, h500s firmware, h700s firmware, h300e firmware, h500e firmware, h700e firmware, h410s firmware
Vulnerable Versions:
0, 8.0, 35, 9.0, 10.0, 11.0

Timeline

Official Publish: December 22nd, 2021
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.