SB2024102262 - NULL pointer dereference in Linux kernel resource dcn20 driver
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024102262
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-2024-49923)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the dcn21_fast_validate_bw() function in drivers/gpu/drm/amd/display/dc/resource/dcn21/dcn21_resource.c, within the dcn20_fast_validate_bw() function in drivers/gpu/drm/amd/display/dc/resource/dcn20/dcn20_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/85aa996ecfaa95d1e922867390502d23ce21b905
- https://git.kernel.org/stable/c/9a05270869f40c89f8d184fe2d37cb86e0d7e5f5
- https://git.kernel.org/stable/c/5559598742fb4538e4c51c48ef70563c49c2af23
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.79