CVE-2026-64488: Linux kernel · ALSA: aoa: check snd_ctl_new1() return value
Source GCVE Database
Not known to be exploited.
Data as of 26 Oct 2026, 12:55 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 7% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 25 Jul 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: 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 26 Oct 2026.
What to do
AI-suggested
A fix has been implemented in the Linux kernel to add NULL checks after snd_ctl_new1() calls. Users should update to a kernel version that includes this patch once available.
Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: aoa: check snd_ctl_new1() return value snd_ctl_new1() can return NULL when memory allocation fails. In layout.c, the function does not check the return value before dereferencing ctl->id.name or passing to aoa_snd_ctl_add(), which can lead to a NULL pointer dereference. Add NULL checks after snd_ctl_new1() calls and return early if any fails.
References
- nvd.nist.gov/vuln/detail/CVE-2026-64488 (opens in a new tab)
- git.kernel.org/stable/c/2ee9c46fd2dcd529cef18e37636ee12f5c3dbedd (opens in a new tab)
- git.kernel.org/stable/c/8df560fefe6fed6a20b7e06720eeaeccec349ac0 (opens in a new tab)
- 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/d73067e2bbf3775a495d9f38e38d0a3cf53ee790 (opens in a new tab)
- git.kernel.org/stable/c/e47f2a341adbac001b6f5d0211b0cd1c1668637b (opens in a new tab)
- git.kernel.org/stable/c/e5e8c4508d95af82f9b4d065f658e5476a8e9bc8 (opens in a new tab)
- git.kernel.org/stable/c/fd786466889e4a6e6de0f4462bd0068edea63960 (opens in a new tab)