CVE-2025-38259 is a memory leak vulnerability in the Linux kernel's ASoC wcd9335 audio codec driver, affecting various Debian and Linux kernel versions. The flaw stems from a failure to properly free regulator supplies in error paths or during unbinding, leading to resource exhaustion. With a CVSS score of 7.8 (HIGH), it presents a local attack vector with low complexity, potentially allowing for high impact on confidentiality, integrity, and availability. There is currently no public exploit code or active exploitation, but it has garnered significant community discussion and media coverage, indicating awareness of the issue.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.1, < 6.1.143CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.2, < 6.6.96CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.7, < 6.12.36CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.13, < 6.15.5CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
11.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 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, 2026kernel: ASoC: codecs: wcd9335: Fix missing free of regulator supplies
Jul 9, 2025ASoC: codecs: wcd9335: Fix missing free of regulator supplies
Jul 8, 2025