#VU75337 Use-after-free in Linux kernel - CVE-2022-45919

Vulnerability identifier: #VU75337

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-2022-45919

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
Linux kernel

Software vendor:
Linux Foundation

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/dvb_ca_en50221.c in Linux kernel. A local user can trigger a race condition and execute arbitrary code with elevated privileges.

Install updates from vendor's website.

• https://lore.kernel.org/linux-media/20221121063308.GA33821@ubuntu/T/#u
• https://security.netapp.com/advisory/ntap-20230113-0008/