{"id":"CVE-2026-89904","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: Fix acpi_package_ids[] array overflow\n\nWith LoongArch virt machine, a typical setting is one core per socket,\nthere will max 256 sockets (packages) on one VM…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: Fix acpi_package_ids[] array overflow\n\nWith LoongArch virt machine, a typical setting is one core per socket,\nthere will max 256 sockets (packages) on one VM…","severity":"high","cvss":8.4,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","vendor":"Linux","product":"Linux","affected":["Linux >= f18992be262d6515c94bf4bf6ce7598135076771 < 0195e04b1eec8fb00e2db9c5e55655a3f5e76f60","Linux >= 4427a33faabb4b81511b99dfee18ce0a38b5b5df < d3fd094c13c6d0b74f246461ca4cf427d539c8e8","Linux >= 4e8f58620f6717f72f3d88a2c8f25c0c656d0ba7 < 6311b8c471afa33c18adbe4eb16f862936b71ca3","Linux >= 4e8f58620f6717f72f3d88a2c8f25c0c656d0ba7 < 2a2367d46d7a4ee4122b7a86e57125542dbbe963","Linux 496bc868d9066e034787aa14b8ad6c23e77b51ef","Linux >= 6.12.101 < 6.12.110","Linux >= 6.18.42 < 6.18.51","Linux >= 7.1.6 < 7.2","Linux 7.2"],"published":"2026-09-16","updated":"2026-09-16","sourceUpdated":"2026-09-16T15:18:16.567","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-89904","references":[{"url":"https://git.kernel.org/stable/c/0195e04b1eec8fb00e2db9c5e55655a3f5e76f60","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2a2367d46d7a4ee4122b7a86e57125542dbbe963","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6311b8c471afa33c18adbe4eb16f862936b71ca3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d3fd094c13c6d0b74f246461ca4cf427d539c8e8","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-16T10:53:53.977Z","epss":0.0018,"epssPercentile":0.07824,"slug":"CVE-2026-89904","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: Fix acpi_package_ids[] array overflow\n\nWith LoongArch virt machine, a typical setting is one core per socket,\nthere will max 256 sockets (packages) on one VM. With PPTT acpi table,\narray acpi_package_ids[] will be overflowed.\n\nHere change the array size of acpi_package_ids[] with the max value of\nMAX_PACKAGES and KVM_MAX_VCPUS.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":46.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":205148,"id":"CVE-2026-89904","ts":1789570705467,"field":"cvss","old":null,"new":"8.4"},{"seq":205147,"id":"CVE-2026-89904","ts":1789570705467,"field":"severity","old":"none","new":"high"}]}