#VU111508 NULL pointer dereference in Linux kernel - CVE-2022-50181
Published: June 19, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111508
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-50181
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the virtio_gpu_get_caps_ioctl() function in drivers/gpu/drm/virtio/virtgpu_ioctl.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/259773fc874258606c0121767a4a27466ff337eb
- https://git.kernel.org/stable/c/367882a5a9448b5e1ba756125308092d614cb96c
- https://git.kernel.org/stable/c/39caef09666c1d8274abf9472c72bcac236dc5fb
- https://git.kernel.org/stable/c/adbdd21983fa292e53aec3eab97306b2961ea887
- https://git.kernel.org/stable/c/bd63f11f4c3c46afec07d821f74736161ff6e526
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.137
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.61
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0