{"id":"CVE-2026-89454","state":"PUBLISHED","title":"PCI: plda: Fix IRQ domain leaks in the error paths of plda_init_interrupts()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: plda: Fix IRQ domain leaks in the error paths of plda_init_interrupts()\n\nplda_init_interrupts() initializes IRQ domains and creates IRQ mapping but\ndoes not unwind them when later step fails.\n\nIf platform_get_irq() or either irq_create_mapping() fails\nin plda_init_interrupts(), the domains are never deinitialized. If\nirq_create_mapping() fails, port->intx_irq stays initialized.\n\nHence, remove the IRQ domains in the error path by calling\nplda_pcie_irq_domain_deinit().\n\nSince plda_pcie_irq_domain_deinit() now disposes of the intx_irq and\nmsi_irq mappings itself before removing their domains, the msi_irq\nmapping failure path can go directly to err_irq_domain_deinit instead of\ndisposing of port->intx_irq separately first.\n\nThis issue was found by automated review of sashiko-bot\n\n[mani: commit log]","publishedAt":"2026-09-11T19:43:18.717Z","updatedAt":"2026-10-19T08:47:03.777Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4602c370bdf6946b4e954a3db0ef5958aac2b7b4","status":"affected","lessThan":"01b05cebe1e862e31e382359848d7dca02525a4f","versionType":"git"},{"version":"4602c370bdf6946b4e954a3db0ef5958aac2b7b4","status":"affected","lessThan":"4b575052ea65423693726a21826d783cf3f1745e","versionType":"git"},{"version":"4602c370bdf6946b4e954a3db0ef5958aac2b7b4","status":"affected","lessThan":"e54e8d2a0f9c8bf251ae4385ea4f4a68840fedad","versionType":"git"},{"version":"4602c370bdf6946b4e954a3db0ef5958aac2b7b4","status":"affected","lessThan":"19a30bbb6477bfd7e3109b7a2943e6597ee9de37","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/controller/plda/pcie-plda-host.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.11","versionType":"semver"},{"version":"6.12.109","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.50","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.4","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/pci/controller/plda/pcie-plda-host.c"]}],"references":["https://git.kernel.org/stable/c/01b05cebe1e862e31e382359848d7dca02525a4f","https://git.kernel.org/stable/c/4b575052ea65423693726a21826d783cf3f1745e","https://git.kernel.org/stable/c/e54e8d2a0f9c8bf251ae4385ea4f4a68840fedad","https://git.kernel.org/stable/c/19a30bbb6477bfd7e3109b7a2943e6597ee9de37"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/89xxx/CVE-2026-89454.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89454","state":"PUBLISHED","datePublished":"2026-09-11T19:43:18.717Z","dateUpdated":"2026-10-19T08:47:03.777Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.707Z"},"containers":{"cna":{"title":"PCI: plda: Fix IRQ domain leaks in the error paths of plda_init_interrupts()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: plda: Fix IRQ domain leaks in the error paths of plda_init_interrupts()\n\nplda_init_interrupts() initializes IRQ domains and creates IRQ mapping but\ndoes not unwind them when later step fails.\n\nIf platform_get_irq() or either irq_create_mapping() fails\nin plda_init_interrupts(), the domains are never deinitialized. If\nirq_create_mapping() fails, port->intx_irq stays initialized.\n\nHence, remove the IRQ domains in the error path by calling\nplda_pcie_irq_domain_deinit().\n\nSince plda_pcie_irq_domain_deinit() now disposes of the intx_irq and\nmsi_irq mappings itself before removing their domains, the msi_irq\nmapping failure path can go directly to err_irq_domain_deinit instead of\ndisposing of port->intx_irq separately first.\n\nThis issue was found by automated review of sashiko-bot\n\n[mani: commit log]"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4602c370bdf6946b4e954a3db0ef5958aac2b7b4","status":"affected","lessThan":"01b05cebe1e862e31e382359848d7dca02525a4f","versionType":"git"},{"version":"4602c370bdf6946b4e954a3db0ef5958aac2b7b4","status":"affected","lessThan":"4b575052ea65423693726a21826d783cf3f1745e","versionType":"git"},{"version":"4602c370bdf6946b4e954a3db0ef5958aac2b7b4","status":"affected","lessThan":"e54e8d2a0f9c8bf251ae4385ea4f4a68840fedad","versionType":"git"},{"version":"4602c370bdf6946b4e954a3db0ef5958aac2b7b4","status":"affected","lessThan":"19a30bbb6477bfd7e3109b7a2943e6597ee9de37","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pci/controller/plda/pcie-plda-host.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.11","versionType":"semver"},{"version":"6.12.109","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.50","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.4","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/pci/controller/plda/pcie-plda-host.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/01b05cebe1e862e31e382359848d7dca02525a4f"},{"url":"https://git.kernel.org/stable/c/4b575052ea65423693726a21826d783cf3f1745e"},{"url":"https://git.kernel.org/stable/c/e54e8d2a0f9c8bf251ae4385ea4f4a68840fedad"},{"url":"https://git.kernel.org/stable/c/19a30bbb6477bfd7e3109b7a2943e6597ee9de37"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T08:47:03.777Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.12.109"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.18.50"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"7.2.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}