SB2024090539 - NULL pointer dereference in Linux kernel display amdgpu_dm driver
Published: September 5, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024090539
CSH 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 vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2024-44955)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the amdgpu_dm_mst_connector_early_unregister(), dm_dp_mst_detect() and is_dsc_need_re_compute() functions in drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.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/39b217193729aa45eded8de24d9245468a0c0263
- https://git.kernel.org/stable/c/fcf6a49d79923a234844b8efe830a61f3f0584e4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.64