Use-after-free in Linux kernel - CVE-2022-50274
Published: September 16, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115383
CSH Severity: Low
CVSS v4.0: 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-2022-50274
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the include/media/dvbdev.h. A local user can escalate privileges on the system.
How to mitigate CVE-2022-50274
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/0fc044b2b5e2d05a1fa1fb0d7f270367a7855d79
- https://git.kernel.org/stable/c/219b44bf94203bd433aa91b7796475bf656348e5
- https://git.kernel.org/stable/c/2abd73433872194bccdf1432a0980e4ec5273c2a
- https://git.kernel.org/stable/c/6d18b44bb44e1f4d97dfe0efe92ac0f0984739c2
- https://git.kernel.org/stable/c/88a6f8a72d167294c0931c7874941bf37a41b6dd
- https://git.kernel.org/stable/c/9945d05d6693710574f354c5dbddc47f5101eb77
- https://git.kernel.org/stable/c/a2f0a08aa613176c9688c81d7b598a7779974991
- https://git.kernel.org/stable/c/ac521bbe3d00fa574e66a9361763f2b37725bc97
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.303