SB2025090485 - NULL pointer dereference in Linux kernel media dvb-frontends driver
Published: September 4, 2025
Security Bulletin ID
SB2025090485
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-2025-38693)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the w7090p_tuner_write_serpar() and w7090p_tuner_read_serpar() functions in drivers/media/dvb-frontends/dib7000p.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/17b30e5ded062bd74f8ca6f317e1d415a8680665
- https://git.kernel.org/stable/c/39b06b93f24dff923c4183d564ed28c039150554
- https://git.kernel.org/stable/c/454a443eaa792c8865c861a282fe6d4f596abc3a
- https://git.kernel.org/stable/c/6bbaec6a036940e22318f0454b50b8000845ab59
- https://git.kernel.org/stable/c/7a41ecfc3415ebe3b4c44f96b3337691dcf431a3
- https://git.kernel.org/stable/c/99690a494d91a0dc86cebd628da4c62c40552bcb
- https://git.kernel.org/stable/c/b3d77a3fc71c084575d3df4ec6544b3fb6ce587d
- https://git.kernel.org/stable/c/ed0234c8458b3149f15e496b48a1c9874dd24a1b
- https://git.kernel.org/stable/c/f98132a59ccc59a8b97987363bc99c8968934756