CVE-2025-37934: Linux kernel · ASoC: simple-card-utils: Fix pointer check in graph_util_parse_link_direction
Source GCVE Database
Not known to be exploited · CVSS 7.8 High.
Data as of 13 Nov 2026, 19:21 UTC
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 20 May 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
AI-suggested
A fix has been implemented in the Linux kernel to properly validate pointers and initialize variables in the affected code. Users should update to the fixed kernel version once available. No cloud service remediation applies as this is a kernel-level issue. Patch status is not explicitly stated in the input but the description confirms the vulnerability has been resolved.
Description
CVE-2025-37934 is a vulnerability in the Linux kernel's ASoC simple-card-utils component. It involves improper pointer validation in the function graph_util_parse_link_direction, which could lead to invalid memory access. The issue also caused a UBSAN warning due to an uninitialized playback_only variable when the playback-only property is missing.
References
- nvd.nist.gov/vuln/detail/CVE-2025-37934 (opens in a new tab)
- git.kernel.org/stable/c/3cc393d2232ec770b5f79bf0673d67702a3536c3 (opens in a new tab)
- git.kernel.org/stable/c/9b5b3088c4d1752253491705919bd7d067964288 (opens in a new tab)
- git.kernel.org/stable/c/b41a49d5435e0f76da320f231b7252800e8f736f (opens in a new tab)