CVEvulnerability
CVE-2026-80549
8.2 HIGH
Official page ↗
- Status
- Received
- Published
- 2026-08-26
- Last modified
- 2026-10-16
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- 8.2 HIGH — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Description
In the Linux kernel, the following vulnerability has been resolved:
s390/vfio_ccw: Move cp cleanup out of not operational
The fsm_notoper() routine is called when the device has been
lost, and is (by definition) no longer operational. Since this
can happen asynchronously from the normal behavior of the
driver, the cleanup may happen when holding other locks
in the calling sequence (notably, the cio subchannel lock).
Push the cleanup of the private->cp resources to a workqueue,
where it can be done out from under that lock sequence and
a future patch can safely manage the locking requirements.
References
- https://git.kernel.org/stable/c/0c11f61a876ed6fcca53d442ed3f33ea8362a0f9 git.kernel.org
- https://git.kernel.org/stable/c/4e3301e2a651d742c05914f6074a25b8e41bce19 git.kernel.org
- https://git.kernel.org/stable/c/56100baa0eb7055b1026dfa73e696e8066ff71fd git.kernel.org
- https://git.kernel.org/stable/c/af1759d8e6e6da9ba94f30a2f92546f406899aa7 git.kernel.org
- https://git.kernel.org/stable/c/c9b85aa2cf73ea645e55e2c2670e0ddebfe1589b git.kernel.org
- https://git.kernel.org/stable/c/f98a9890ca42f4223d2d4c50e0660af3e012fcb4 git.kernel.org