CVE-2026-89980
Published: September 18, 2026Last modified: September 18, 2026
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.4 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Vulnerable (6.1.182-r0) |
| 25 LTS | linux-lts | Vulnerable (6.12.103-r0) | |
| Stream | linux-lts | Vulnerable (6.18.46-r0) |
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