CVE-2026-89904

CVE-2026-89904

High · published September 16, 2026

CVSS v3.1
8.4
EPSS
0%
Percentile
8.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.4 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00196 · 8.8th percentile
Published
2026-09-16T15:16Z
References (4)
EPSS history
Timeline
  • 18 SEP 04:02Z
    EPSS moved — → 0%
    epss
  • 16 SEP 10:32Z
    LoongArch: Fix acpi_package_ids[] array overflow
    cvelistv5