#VU75333 Use-after-free in Linux kernel - CVE-2022-45884

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Main Vulnerability Database Vulnerabilities #VU75333

#VU75333 Use-after-free in Linux kernel - CVE-2022-45884

Published: April 19, 2023


Vulnerability identifier: #VU75333
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-45884
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in drivers/media/dvb-core/dvbdev.c in Linux kernel related to dvb_register_device() function dynamically allocating fops. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.


Remediation

Install updates from vendor's website.

External links