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CVE PROGRAM SOURCE RECORD8.4 High

CVE-2026-89904

LoongArch: Fix acpi_package_ids[] array overflow

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Status
Published
Published
Updated
Assigning organization
Linux

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • f18992be262d6515c94bf4bf6ce7598135076771 to < 0195e04b1eec8fb00e2db9c5e55655a3f5e76f60affected
  • 4427a33faabb4b81511b99dfee18ce0a38b5b5df to < d3fd094c13c6d0b74f246461ca4cf427d539c8e8affected
  • 4e8f58620f6717f72f3d88a2c8f25c0c656d0ba7 to < 6311b8c471afa33c18adbe4eb16f862936b71ca3affected
  • 4e8f58620f6717f72f3d88a2c8f25c0c656d0ba7 to < 2a2367d46d7a4ee4122b7a86e57125542dbbe963affected
  • 496bc868d9066e034787aa14b8ad6c23e77b51efaffected
  • 6.12.101 to < 6.12.110affected
  • 6.18.42 to < 6.18.51affected
  • 7.1.6 to < 7.2affected

Linux Linux

Default version status: affected

  • 7.2affected
  • 0 to < 7.2unaffected
  • 6.12.110 to ≤ 6.12.*unaffected
  • 6.18.51 to ≤ 6.18.*unaffected
  • 7.2.5 to ≤ 7.2.*unaffected
  • 7.3 to ≤ *unaffected

References