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VulnerabilityPublished Updated

CVE-2025-37897: Linux kernel · wifi: plfxlc: Remove erroneous assert in plfxlc_mac_release

Source GCVE Database

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Not known to be exploited · CVSS 5.5 Medium.

Data as of 13 Nov 2026, 20:28 UTC

CVSS 3.1 base score
5.5Medium
How severe the flaw is on the 0–10 CVSS scale.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 20 May 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

Until a fix is available, users should monitor kernel updates and consider avoiding affected driver usage in critical environments if possible.

Description

CVE-2025-37897 is a medium severity vulnerability in the Linux kernel's plfxlc wireless driver. It involves an erroneous assertion in the plfxlc_mac_release() function that incorrectly expects a lock to be held when it should not be. This leads to a kernel warning and potential instability during device probe failure or disconnection. The issue does not affect confidentiality or integrity but impacts availability by causing kernel warnings and possible crashes.

References

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