CVE-2025-38693 is a null-pointer dereference vulnerability in the Linux kernel's w7090p DVB frontend driver, affecting Debian and other Linux kernel distributions. This flaw, rated Medium severity (CVSS 5.5), allows a local attacker with low privileges to cause a denial of service (system crash) due to insufficient input validation in the w7090p_tuner_write_serpar and w7090p_tuner_read_serpar functions. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage, indicating awareness within the security community. It is not listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.6.39, < 5.4.297CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.5, < 5.10.241CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.11, < 5.15.190CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.16, < 6.1.149CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.2, < 6.6.103CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Linux kernel (Azure) vulnerabilities
Mar 25, 2026Linux kernel (Azure FIPS) vulnerabilities
Mar 4, 2026Linux kernel (Azure) vulnerabilities
Mar 4, 2026Linux kernel (Xilinx) vulnerabilities
Feb 24, 2026Linux kernel (IBM) vulnerabilities
Feb 24, 2026media: dvb-frontends: w7090p: fix null-ptr-deref in w7090p_tuner_write_serpar and w7090p_tuner_read_serpar
Sep 9, 2025kernel: media: dvb-frontends: w7090p: fix null-ptr-deref in w7090p_tuner_write_serpar and w7090p_tuner_read_serpar
Sep 4, 2025