SB20250226600 - Improper error handling in Linux kernel drm virtio driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226600
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) Improper error handling (CVE-ID: CVE-2021-47657)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the virtio_gpu_array_put_free() function in drivers/gpu/drm/virtio/virtgpu_gem.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/6b79f96f4a23846516e5e6e4dd37fc06f43a60dd
- https://git.kernel.org/stable/c/abc9ad36df16e27ac1c665085157f1a082d39bac
- https://git.kernel.org/stable/c/ac92b474eeeed75b8660374ba1d129a121c09da8
- https://git.kernel.org/stable/c/b094fece3810c71ceee6f0921676cb65d4e68c5a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.32