CVE-2026-89980 (CVSS 8.4)

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.

Is your site exposed to CVE-2026-89980?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

8.4

HIGH

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

EPSS — Exploit Prediction

0.0020

Probability of exploitation

0.09%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

References

Other References

https://git.kernel.org/stable/c/33abb7491e89285a41565670945293dda841afc4 https://git.kernel.org/stable/c/7dc239edb6d58e01c9ec868565cc03e7adf91747 https://git.kernel.org/stable/c/89992bda7dfbba7ded2ba4185730453c57fa65bc https://git.kernel.org/stable/c/9347588bbd6ad43a85e17046d9c117a41453c52a https://git.kernel.org/stable/c/9af6c9203583655cb7ed45e52e14101652b37547 https://git.kernel.org/stable/c/cd209eb3136e002becbda232e399fa31a2276436 https://git.kernel.org/stable/c/f86ff9238b0c8284909e073a681a60708b9f36ab

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. It has a CVSS v3.1 base score of 8.4 (HIGH).

How severe is CVE-2026-89980? +

CVE-2026-89980 has a CVSS v3.1 score of 8.4 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0020, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-89980? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

CVE-2026-89980