CVE-2026-64482: Linux kernel · ALSA: gus: check snd_ctl_new1() return value
Affects Linux kernelSource GCVE Database
Not known to be exploited · fixed in 6.1.34 : update Linux kernel when convenient.
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 none- Patch
- Available – fixed in 6.1.34
Exploitation 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
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Linux Linux | Affected
| Fixed in– |
AI-suggested
A fix is available in Linux kernel versions 6.1.34 and 6.3.8. Users should update to these or later versions to remediate the vulnerability.
Description
A vulnerability in the Linux kernel ALSA gus driver was fixed by adding a NULL check after snd_ctl_new1() to prevent a NULL pointer dereference. The function snd_ctl_new1() can return NULL on memory allocation failure, and the snd_gf1_pcm_volume_control() function did not check this return value before dereferencing, which could lead to a kernel NULL pointer dereference.
References
- git.kernel.org/stable/c/97f6bdf5d5ded2e37f358cacb5a95f1393356604 (opens in a new tab)
- git.kernel.org/stable/c/eccf8e91266e39f6f15637702a04a1d344833fe2 (opens in a new tab)
- git.kernel.org/stable/c/fc5d4f27ca1293bc1379ef8fff691c30d9803ca2 (opens in a new tab)
- git.kernel.org/stable/c/5e74e5e8cb7cc25f7a89f59abaf3489bf0c6f4a0 (opens in a new tab)
- git.kernel.org/stable/c/465075c6835103821d725c13f8c545898e5f2636 (opens in a new tab)
- git.kernel.org/stable/c/c7fa99d30c7a166a5e5db5a585ce7501ff68326b (opens in a new tab)