HIGH
LoongArch: Fix acpi_package_ids[] array overflow
Published Sep 16, 2026
8.4
HIGHCVSS 3.1
EPSS 0.20%
Description
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.
Affected products
-
Affected
- ≥ , <
- ≥ , <
- ≥ , <
- ≥ , <
-
Affected
- ≥ 6.12.101, < 6.12.110
- ≥ 6.18.42, < 6.18.51
- ≥ 7.1.6, < 7.2
-
Affected
- 7.2
Unaffected
- ≥ 0, < 7.2
- ≥ 6.12.110, ≤ 6.12.*
- ≥ 6.18.51, ≤ 6.18.*
- ≥ 7.2.5, ≤ 7.2.*
- 7.3-rc1
Default status is the baseline for the product. Each version can override it (patched versions can be marked unaffected).
| Vendor | Product | Default status | Versions |
|---|---|---|---|
| Linux | Linux | unaffected | Affected
|
| Linux | Linux | unaffected | Affected
|
| Linux | Linux | affected | Affected
Unaffected
|
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Weaknesses (0)
No CWE recorded.
References (5)
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-80504 Advisory
- https://git.kernel.org/stable/c/0195e04b1eec8fb00e2db9c5e55655a3f5e76f60
- https://git.kernel.org/stable/c/2a2367d46d7a4ee4122b7a86e57125542dbbe963
- https://git.kernel.org/stable/c/6311b8c471afa33c18adbe4eb16f862936b71ca3
- https://git.kernel.org/stable/c/d3fd094c13c6d0b74f246461ca4cf427d539c8e8
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner Linux
Published Sep 16, 2026
Updated Sep 16, 2026
Reserved Sep 11, 2026
Link CVE-2026-89904
CISA Vulnrichment
No data
Red Hat
No data
GitHub
No data