LoongArch: Fix acpi_package_ids[] array overflow
CVE-2026-89904 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-89904, released September 23, 2026. It is not reported as exploited. Patch Radar priority: High.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 13.5 (trixie) | 6.12.111-1 | DEBIAN-CVE-2026-89904 | Sep 23, 2026 |
| linux · Debian 14 | 7.2.6-1 | DEBIAN-CVE-2026-89904 | Sep 23, 2026 |
| linux-6.12 · Debian 12.15 (bookworm) | 6.12.111-1~deb12u1 | DEBIAN-CVE-2026-89904 | Sep 23, 2026 |
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