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CVE-2026-89980

HIGHCVSS 8.4/10

Last modified

CVE-2026-89980 is a high-severity vulnerability rated 8.4/10 on the CVSS scale. 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..

Description

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.

Metrics

CVSS 3.1
8.4/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Software

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

VendorProductVersions
LinuxLinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 9af6c9203583655cb7ed45e52e14101652b37547; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < f86ff9238b0c8284909e073a681a60708b9f36ab; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 7dc239edb6d58e01c9ec868565cc03e7adf91747; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 9347588bbd6ad43a85e17046d9c117a41453c52a; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 89992bda7dfbba7ded2ba4185730453c57fa65bc; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < cd209eb3136e002becbda232e399fa31a2276436; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 33abb7491e89285a41565670945293dda841afc4
LinuxLinux2.6.12

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is 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.
How severe is CVE-2026-89980?
CVE-2026-89980 has a CVSS score of 8.4/10 (HIGH severity).
How do I fix CVE-2026-89980?
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