CVE-2026-23028: LoongArch: KVM: Fix kvm_device leak in kvm_ipi_destroy()

Severity: unknown
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-01-31 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Fix kvm_device leak in kvm_ipi_destroy() In kvm_ioctl_create_device(), kvm_device has allocated memory, kvm_device->destroy() seems to be supposed to free its kvm_device struct, but kvm_ipi_destroy() is not currently doing this, that would lead to a memory leak. So, fix it.

Affected products

Linux kernel: 6.13 — fixed in 6.19

How to fix

Upgrade to a fixed version: Linux kernel 6.19. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/0bf58cb7288a4d3de6d8ecbb3a65928a9362bf21
https://git.kernel.org/stable/c/5defcc2f9c22e6e09b5be68234ad10f4ba0292b7

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