Vulnerability in Linux

CVE-2026-89980

In the Linux kernel, the following vulnerability has been resolved: ALSA: harmony: initialize locks before requesting IRQ snd_harmony_create() registers the IRQ before initializing h->lock and h->mixer_lock. A pending interrupt can invoke the handler while these locks are uninitialized. Initialize both locks before requesting the IRQ so the handler always sees valid lock state.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Linux — versions 2.6.12

References

Frequently asked questions

What is CVE-2026-89980?
CVE-2026-89980 is a high-severity vulnerability in Linux. CVSS score: 8.4/10. Published 2026-09-16.
How severe is CVE-2026-89980?
High severity. CVSS v3 base score is 8.4 out of 10.