CVE-2025-39892 is a NULL pointer dereference vulnerability in the Linux kernel's Advanced Linux Sound Architecture (ALSA) System on Chip (ASoC) core. Specifically, the snd_soc_lookup_component_nolocked() function can attempt to access a NULL driver name when the CPU and Platform components share the same device, leading to a system crash. This vulnerability affects Linux kernel versions where this specific ASoC core behavior is present. Rated with a CVSS score of 5.5 (Medium), this vulnerability has a local attack vector and low attack complexity, requiring local user privileges to trigger. A successful exploit would result in a denial of service (system crash) with no impact on confidentiality or integrity. There is currently no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. Community discussion and media coverage around this CVE are minimal, indicating a low level of public attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 6.16, < 6.16.6CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
6.17CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:* | ||
6.17CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:* | ||
6.17CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:* | ||
6.17CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.17:rc4:*:*:*:*:*:* |
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.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.