CVE-2026-64488: Linux kernel · ALSA: aoa: check snd_ctl_new1() return value
Affects Linux kernelSource GCVE Database
Not known to be exploited.
Data as of 3 Nov 2026, 19:28 UTC
Rated Medium by Threat Radar's AI analysis · No CVSS score from NVD or the CNA
Thin evidence
One scorer or noneExploitation evidence
Disclosed: evidence found.
CVE published 25 Jul 2026
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 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
- git.kernel.org/stable/c/b0154ebc6dc552c389a574b1e221d728e10346e7 (opens in a new tab)
- git.kernel.org/stable/c/d62624fe256b2d0d13454c78cbfc70ff5d954dc7 (opens in a new tab)
- git.kernel.org/stable/c/e5e8c4508d95af82f9b4d065f658e5476a8e9bc8 (opens in a new tab)
- git.kernel.org/stable/c/2ee9c46fd2dcd529cef18e37636ee12f5c3dbedd (opens in a new tab)
- git.kernel.org/stable/c/d73067e2bbf3775a495d9f38e38d0a3cf53ee790 (opens in a new tab)
- git.kernel.org/stable/c/fd786466889e4a6e6de0f4462bd0068edea63960 (opens in a new tab)
- git.kernel.org/stable/c/e47f2a341adbac001b6f5d0211b0cd1c1668637b (opens in a new tab)
- git.kernel.org/stable/c/8df560fefe6fed6a20b7e06720eeaeccec349ac0 (opens in a new tab)