SB2025010931 - NULL pointer dereference in Linux kernel drm sti driver
Published: January 9, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025010931
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-2024-56778)
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 sti_hqvdp_atomic_check() function in drivers/gpu/drm/sti/sti_hqvdp.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/31c857e7496d34e5a32a6f75bc024d0b06fd646a
- https://git.kernel.org/stable/c/6b0d0d6e9d3c26697230bf7dc9e6b52bdb24086f
- https://git.kernel.org/stable/c/82a5312f874fb18f045d9658e9bd290e3b0621c0
- https://git.kernel.org/stable/c/837eb99ad3340c7a9febf454f41c8e3edb68ac1e
- https://git.kernel.org/stable/c/c1ab40a1fdfee732c7e6ff2fb8253760293e47e8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.174
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.120
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.64