CVEvulnerability
CVE-2026-89904
8.4 HIGH
Official page ↗
- Status
- Received
- Published
- 2026-09-16
- Last modified
- 2026-10-19
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- 8.4 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
In the Linux kernel, the following vulnerability has been resolved:
LoongArch: Fix acpi_package_ids[] array overflow
With LoongArch virt machine, a typical setting is one core per socket,
there will max 256 sockets (packages) on one VM. With PPTT acpi table,
array acpi_package_ids[] will be overflowed.
Here change the array size of acpi_package_ids[] with the max value of
MAX_PACKAGES and KVM_MAX_VCPUS.
References
- https://git.kernel.org/stable/c/0195e04b1eec8fb00e2db9c5e55655a3f5e76f60 git.kernel.org
- https://git.kernel.org/stable/c/2a2367d46d7a4ee4122b7a86e57125542dbbe963 git.kernel.org
- https://git.kernel.org/stable/c/6311b8c471afa33c18adbe4eb16f862936b71ca3 git.kernel.org
- https://git.kernel.org/stable/c/d3fd094c13c6d0b74f246461ca4cf427d539c8e8 git.kernel.org