SB20250226417 - NULL pointer dereference in Linux kernel drm virtio driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226417
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-2022-49532)
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_conn_get_modes() function in drivers/gpu/drm/virtio/virtgpu_display.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/0f8bc147a963686b7351aa35d1701124ffacac08
- https://git.kernel.org/stable/c/194d250cdc4a40ccbd179afd522a9e9846957402
- https://git.kernel.org/stable/c/32e10aabc287f09a148ff759bb9ce70b01b0012c
- https://git.kernel.org/stable/c/848dd072744ea662ab3097e3c8282bee552df218
- https://git.kernel.org/stable/c/c51d00472fa54b9b05c17789ed665c17adf3a25d
- https://git.kernel.org/stable/c/e0828456578cc8ba0a69147f7ae3428392eec287
- https://git.kernel.org/stable/c/edafcad84c4134ebec4bc24b29ca4497a1184eea
- https://git.kernel.org/stable/c/f85cb059fad03a3b33a50023be91e944bb065ae8
- https://git.kernel.org/stable/c/fadc626cae99aaa1325094edc6a9e2b883f3e562
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.121