CVE-2026-64482
In the Linux kernel, the following vulnerability has been resolved:
ALSA: gus: check snd_ctl_new1() return value
snd_ctl_new1() can return NULL when memory allocation fails.
snd_gf1_pcm_volume_control() does not check the return value before
dereferencing kctl->id.index, which can lead to a NULL pointer
dereference.
Add a NULL check after snd_ctl_new1() and return -ENOMEM if it fails.
CSIRTS triage
- What
- The return value of snd_ctl_new1() is not checked.
- Who is affected
- Deployments using the ALSA sound subsystem.
- Urgency
- Remediation is advisable to ensure system stability, with no current exploitation reported.
- Action
- Implement the patch once it is released.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all EPSS-scored CVEs.
Advisory coverage (2)
- unknownCVE-2026-64482: In the Linux kernel, the following vulnerability has been resolved: ALSA: gus: check snd_ctl_n…nvd · 2026-07-25
- mediumCVE-2026-64482: ALSA: gus: check snd_ctl_new1() return valuemsrc · 2026-07-14
External references
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