{"id":"CVE-2026-89964","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nparisc: eisa: Fix infinite loop when parsing invalid IRQ value\n\nWhen an invalid value is passed via the \"eisa_irq_edge=\" kernel\ncommand line parameter (e.g","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nparisc: eisa: Fix infinite loop when parsing invalid IRQ value\n\nWhen an invalid value is passed via the \"eisa_irq_edge=\" kernel\ncommand line parameter (e.g. \"eisa_irq_e…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 68659b627770f3c8d8f578e8ddee78a07d5f1d0e","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 8640ade22369e248f77fbdd31a9d71b338499eef","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 21f063e3c2b11fb9078ccdfd3b23634313ce4f0c","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 62d88e93ef5e1e04041e347945f7d7510eba1797","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < bb10d54b74845eb4547baa1b9e908ecd32aa64e1","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 3e2691eeee83a819125dba3f42c74e1b6730d5cd","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 16a62a3f2128b3d86fefc082d8f631becd02bff5","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 8b585431a16cfb9d8f2955a9fa0787ce3dceb3c2","Linux < 5.10.270","Linux < 5.15.221","Linux < 6.1.188","Linux < 6.6.157","Linux < 6.12.110","Linux < 6.18.51","Linux < 7.2.5","Linux (all versions)"],"published":"2026-09-16","updated":"2026-09-17","sourceUpdated":"2026-09-17T10:17:05.227","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-89964","references":[{"url":"https://git.kernel.org/stable/c/16a62a3f2128b3d86fefc082d8f631becd02bff5","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/21f063e3c2b11fb9078ccdfd3b23634313ce4f0c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3e2691eeee83a819125dba3f42c74e1b6730d5cd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/62d88e93ef5e1e04041e347945f7d7510eba1797","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/68659b627770f3c8d8f578e8ddee78a07d5f1d0e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8640ade22369e248f77fbdd31a9d71b338499eef","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8b585431a16cfb9d8f2955a9fa0787ce3dceb3c2","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bb10d54b74845eb4547baa1b9e908ecd32aa64e1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-16T10:53:53.958Z","epss":0.0021,"epssPercentile":0.11535,"slug":"CVE-2026-89964","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nparisc: eisa: Fix infinite loop when parsing invalid IRQ value\n\nWhen an invalid value is passed via the \"eisa_irq_edge=\" kernel\ncommand line parameter (e.g. \"eisa_irq_edge=16,5\"), eisa_irq_setup()\nprints an error message and continues without advancing the current\nposition.  As a result the same invalid value is parsed again and\nagain, causing an infinite loop while the kernel boots.\n\nAdvance to the next comma-separated entry, or stop parsing when there\nis no next entry, before continuing so that the remaining entries are\nprocessed normally.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}