SB20250619235 - NULL pointer dereference in Linux kernel drm virtio driver
Published: June 19, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250619235
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2022-50181)
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 website.
References
- 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