SB20250619205 - Out-of-bounds read in Linux kernel dc dcn303 driver
Published: June 19, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250619205
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) Out-of-bounds read (CVE-ID: CVE-2022-50079)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the dcn303_stream_encoder_create() function in drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.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/4c31dca1799612eb3b6413e3e574f90c3fb8f865
- https://git.kernel.org/stable/c/82a27c1855445d48aacc67b0c0640f3dadebe52f
- https://git.kernel.org/stable/c/89b008222c2bf21e50219725caed31590edfd9d1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.63
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0