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ID:7208 - Exploit for Use-after-free in Linux kernel - CVE-2021-44733
ID:7208 - Exploit for Use-after-free in Linux kernel - CVE-2021-44733
Published: December 28, 2021
Vulnerability identifier: #VU59100
Vulnerability risk: Low
CVE-ID: CVE-2021-44733
CWE-ID: CWE-416
Exploitation vector: Local access
Vulnerable software:
Linux kernel
Linux kernel
Link to public exploit:
Vulnerability description
The vulnerability allows a local user to elevate privileges on the system.
The vulnerability exists due to a use-after-free error in the drivers/tee/tee_shm.c file within the TEE subsystem in the Linux kernel. A local user can trigger a race condition in tee_shm_get_from_id during an attempt to free a shared memory object and execute arbitrary code with elevated privileges.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.