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VulnerabilityPublished Updated

CVE-2026-64489: Linux kernel · ALSA: ymfpci: check snd_ctl_new1() return value

Affects Linux kernelSource GCVE Database

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Not known to be exploited · fixed in 6.1.34 : update Linux kernel when convenient.

Data as of 3 Nov 2026, 19:28 UTC

Severity
Medium

Rated Medium by Threat Radar's AI analysis · No CVSS score from NVD or the CNA

Thin evidence

One scorer or none
Patch
Available – fixed in 6.1.34

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 25 Jul 2026

  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 3 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Linux LinuxAffected
  • =6.1.34
  • =6.3.8
Fixed in–

AI-suggested

The vulnerability has been fixed in Linux kernel versions 6.1.34 and 6.3.8 by adding proper NULL checks and returning error codes on allocation failure. Users should update to these or later versions to remediate the issue.

Description

A vulnerability in the Linux kernel ALSA ymfpci driver involves a missing NULL check after the snd_ctl_new1() function call, which can return NULL on memory allocation failure. This can lead to a NULL pointer dereference in snd_ymfpci_create_spdif_controls(). The issue has been resolved by adding NULL checks and returning an error code if allocation fails.

References

Community reviews

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