{"id":"CVE-2026-89964","state":"PUBLISHED","title":"parisc: eisa: Fix infinite loop when parsing invalid IRQ value","description":"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_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.","publishedAt":"2026-09-16T10:32:46.078Z","updatedAt":"2026-10-19T08:55:37.917Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"68659b627770f3c8d8f578e8ddee78a07d5f1d0e","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"8640ade22369e248f77fbdd31a9d71b338499eef","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"21f063e3c2b11fb9078ccdfd3b23634313ce4f0c","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"62d88e93ef5e1e04041e347945f7d7510eba1797","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"bb10d54b74845eb4547baa1b9e908ecd32aa64e1","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"3e2691eeee83a819125dba3f42c74e1b6730d5cd","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"16a62a3f2128b3d86fefc082d8f631becd02bff5","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"8b585431a16cfb9d8f2955a9fa0787ce3dceb3c2","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/parisc/eisa.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.12","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.51","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.5","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/parisc/eisa.c"]}],"references":["https://git.kernel.org/stable/c/68659b627770f3c8d8f578e8ddee78a07d5f1d0e","https://git.kernel.org/stable/c/8640ade22369e248f77fbdd31a9d71b338499eef","https://git.kernel.org/stable/c/21f063e3c2b11fb9078ccdfd3b23634313ce4f0c","https://git.kernel.org/stable/c/62d88e93ef5e1e04041e347945f7d7510eba1797","https://git.kernel.org/stable/c/bb10d54b74845eb4547baa1b9e908ecd32aa64e1","https://git.kernel.org/stable/c/3e2691eeee83a819125dba3f42c74e1b6730d5cd","https://git.kernel.org/stable/c/16a62a3f2128b3d86fefc082d8f631becd02bff5","https://git.kernel.org/stable/c/8b585431a16cfb9d8f2955a9fa0787ce3dceb3c2"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/89xxx/CVE-2026-89964.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89964","state":"PUBLISHED","datePublished":"2026-09-16T10:32:46.078Z","dateUpdated":"2026-10-19T08:55:37.917Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.778Z"},"containers":{"cna":{"title":"parisc: eisa: Fix infinite loop when parsing invalid IRQ value","descriptions":[{"lang":"en","value":"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_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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"68659b627770f3c8d8f578e8ddee78a07d5f1d0e","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"8640ade22369e248f77fbdd31a9d71b338499eef","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"21f063e3c2b11fb9078ccdfd3b23634313ce4f0c","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"62d88e93ef5e1e04041e347945f7d7510eba1797","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"bb10d54b74845eb4547baa1b9e908ecd32aa64e1","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"3e2691eeee83a819125dba3f42c74e1b6730d5cd","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"16a62a3f2128b3d86fefc082d8f631becd02bff5","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"8b585431a16cfb9d8f2955a9fa0787ce3dceb3c2","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/parisc/eisa.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.12","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.51","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.5","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/parisc/eisa.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/68659b627770f3c8d8f578e8ddee78a07d5f1d0e"},{"url":"https://git.kernel.org/stable/c/8640ade22369e248f77fbdd31a9d71b338499eef"},{"url":"https://git.kernel.org/stable/c/21f063e3c2b11fb9078ccdfd3b23634313ce4f0c"},{"url":"https://git.kernel.org/stable/c/62d88e93ef5e1e04041e347945f7d7510eba1797"},{"url":"https://git.kernel.org/stable/c/bb10d54b74845eb4547baa1b9e908ecd32aa64e1"},{"url":"https://git.kernel.org/stable/c/3e2691eeee83a819125dba3f42c74e1b6730d5cd"},{"url":"https://git.kernel.org/stable/c/16a62a3f2128b3d86fefc082d8f631becd02bff5"},{"url":"https://git.kernel.org/stable/c/8b585431a16cfb9d8f2955a9fa0787ce3dceb3c2"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T08:55:37.917Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.10.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.18.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"7.2.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}