SB20260507132 - NULL pointer dereference in Linux kernel mediatek mdp driver
Published: May 7, 2026
Security Bulletin ID
SB20260507132
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-2026-43207)
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 cause a denial of service.
The vulnerability exists due to a null pointer dereference in the mtk-mdp probe function when handling a failed return from vpu_get_plat_device(). A local user can trigger the vulnerable code path to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0bc43eaf021347f8d5aba87712c36b799695eec6
- https://git.kernel.org/stable/c/12cafc15d24611bfb43c82877b1bbb7454a85d5a
- https://git.kernel.org/stable/c/2e8f53a7382943411557e370f1a4f3946624a30e
- https://git.kernel.org/stable/c/8a8a3232abac5b972058a5f2cb3e33199d2a8648
- https://git.kernel.org/stable/c/9d7962d5c81d6cf3f8dbdb5c71c57600bac5772b
- https://git.kernel.org/stable/c/9d9c67976eda502edc6b3a148a1c5b6a18b69a98
- https://git.kernel.org/stable/c/b3fc99fe5b25613dd61c57bc70b8479adff4f60d
- https://git.kernel.org/stable/c/c8737d33d4e8ffae87e5d5edac17f8a705235cc2