CVE-2026-64486

Unknown

Last modified

CVE-2026-64486 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: ALSA: cmipci: check snd_ctl_new1() return value snd_ctl_new1() can return NULL when memory allocation fails. snd_cmipci_spdif_controls() does not check the return value before dereferencing kctl->id.device, which can lead to a NULL pointer dereference. Add NULL checks after snd_ctl_new1() calls and return -ENOMEM if any fails..

Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: cmipci: check snd_ctl_new1() return value snd_ctl_new1() can return NULL when memory allocation fails. snd_cmipci_spdif_controls() does not check the return value before dereferencing kctl->id.device, which can lead to a NULL pointer dereference. Add NULL checks after snd_ctl_new1() calls and return -ENOMEM if any fails.

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 3454490e0396191f8f9c215fccf5deef76abffb5, < b44888c33c4f11277d0e5e023338f2740232a4ed; >= f2f312ad88c68a7f4a7789b9269ae33af3c7c7e9, < 8825a06bfa7932a7a74dec01669d405df0b47286; >= f2f312ad88c68a7f4a7789b9269ae33af3c7c7e9, < 4dd5b0b1a52a8d6e59a3f217204817228ce0238b; >= f2f312ad88c68a7f4a7789b9269ae33af3c7c7e9, < af2b009b773bc42995546507963e5e78970dc3ed; >= f2f312ad88c68a7f4a7789b9269ae33af3c7c7e9, < 67e9ea92cd598cba1783ff701553c776a6cedee9; >= f2f312ad88c68a7f4a7789b9269ae33af3c7c7e9, < c205bd1b28fb7e5f1061a4e78813fad7d315cb3e; 7bf12707fa3db4c14fbe8ab93efb421d8ca93bf8; >= 6.1.34, < 6.1.178; >= 6.3.8, < 6.4
LinuxLinux6.4

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-64486?
In the Linux kernel, the following vulnerability has been resolved: ALSA: cmipci: check snd_ctl_new1() return value snd_ctl_new1() can return NULL when memory allocation fails. snd_cmipci_spdif_controls() does not check the return value before dereferencing kctl->id.device, which can lead to a NULL pointer dereference. Add NULL checks after snd_ctl_new1() calls and return -ENOMEM if any fails.
How severe is CVE-2026-64486?
Severity scoring for CVE-2026-64486 is pending analysis.
How do I fix CVE-2026-64486?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST