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VulnerabilityPublished Updated

CVE-2026-64488: Linux kernel · ALSA: aoa: check snd_ctl_new1() return value

Affects Linux kernelSource GCVE Database

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Not known to be exploited.

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

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

AI-suggested

A fix has been applied to the Linux kernel source code by adding NULL checks after snd_ctl_new1() calls and returning early if any call fails. Users should update to the fixed Linux kernel versions once available. No other mitigation steps are indicated.

Description

A vulnerability in the Linux kernel ALSA aoa driver involves a missing NULL check after the snd_ctl_new1() function call. This function can return NULL on memory allocation failure, and the lack of checking before dereferencing leads to a potential NULL pointer dereference.

References

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