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VulnerabilityPublished Updated

CVE-2026-64486: Linux kernel · ALSA: cmipci: 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

A fix is available in Linux kernel versions 6.1.34 and 6.3.8. Users and administrators should update to these or later patched versions to remediate the issue.

Description

A vulnerability in the Linux kernel ALSA cmipci driver was fixed by adding checks for the return value of snd_ctl_new1(). Without these checks, a NULL pointer dereference could occur if memory allocation failed, potentially causing a kernel crash.

References

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