{"id":"CVE-2026-53226","state":"PUBLISHED","title":"gpio: rockchip: fix generic IRQ chip leak on remove","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: rockchip: fix generic IRQ chip leak on remove\n\nThe driver allocates domain generic chips using\nirq_alloc_domain_generic_chips() during probe. However, on driver\nremove/teardown, the generic chips are not automatically freed when the\nIRQ domain is removed because the domain flags do not include\nIRQ_DOMAIN_FLAG_DESTROY_GC.\n\nThis causes both the domain generic chips structure and the associated\ngeneric chips to be leaked. Additionally, the generic chips remain on\nthe global gc_list and may later be visited by generic IRQ chip suspend,\nresume, or shutdown callbacks after the GPIO bank has been removed,\npotentially resulting in a use-after-free and kernel crash.\n\nFix the resource leak by explicitly calling\nirq_domain_remove_generic_chips() before removing the IRQ domain in\nrockchip_gpio_remove().","publishedAt":"2026-06-25T08:39:26.567Z","updatedAt":"2026-10-21T12:42:17.298Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"936ee2675eee1faca0dcdfa79165c7990422e0fc","status":"affected","lessThan":"6198123cac2ffd9d9a9d252dfa84ab81fb487ba3","versionType":"git"},{"version":"936ee2675eee1faca0dcdfa79165c7990422e0fc","status":"affected","lessThan":"50c7a6d2bf179588ba2daee97be93d19c96a94af","versionType":"git"},{"version":"936ee2675eee1faca0dcdfa79165c7990422e0fc","status":"affected","lessThan":"bace7b99bfa555fe833aee8827b8004c43666d02","versionType":"git"},{"version":"936ee2675eee1faca0dcdfa79165c7990422e0fc","status":"affected","lessThan":"1f34ea5f6114011092d9a5c8b901ad6741144a1d","versionType":"git"},{"version":"936ee2675eee1faca0dcdfa79165c7990422e0fc","status":"affected","lessThan":"1c1e0fc88d6ef65bf15d517853251f75ab9d18c3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpio/gpio-rockchip.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.96","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.36","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.13","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpio/gpio-rockchip.c"]}],"references":["https://git.kernel.org/stable/c/6198123cac2ffd9d9a9d252dfa84ab81fb487ba3","https://git.kernel.org/stable/c/50c7a6d2bf179588ba2daee97be93d19c96a94af","https://git.kernel.org/stable/c/bace7b99bfa555fe833aee8827b8004c43666d02","https://git.kernel.org/stable/c/1f34ea5f6114011092d9a5c8b901ad6741144a1d","https://git.kernel.org/stable/c/1c1e0fc88d6ef65bf15d517853251f75ab9d18c3"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/53xxx/CVE-2026-53226.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53226","state":"PUBLISHED","datePublished":"2026-06-25T08:39:26.567Z","dateUpdated":"2026-10-21T12:42:17.298Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-06-09T07:44:35.392Z"},"containers":{"cna":{"title":"gpio: rockchip: fix generic IRQ chip leak on remove","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: rockchip: fix generic IRQ chip leak on remove\n\nThe driver allocates domain generic chips using\nirq_alloc_domain_generic_chips() during probe. However, on driver\nremove/teardown, the generic chips are not automatically freed when the\nIRQ domain is removed because the domain flags do not include\nIRQ_DOMAIN_FLAG_DESTROY_GC.\n\nThis causes both the domain generic chips structure and the associated\ngeneric chips to be leaked. Additionally, the generic chips remain on\nthe global gc_list and may later be visited by generic IRQ chip suspend,\nresume, or shutdown callbacks after the GPIO bank has been removed,\npotentially resulting in a use-after-free and kernel crash.\n\nFix the resource leak by explicitly calling\nirq_domain_remove_generic_chips() before removing the IRQ domain in\nrockchip_gpio_remove()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"936ee2675eee1faca0dcdfa79165c7990422e0fc","status":"affected","lessThan":"6198123cac2ffd9d9a9d252dfa84ab81fb487ba3","versionType":"git"},{"version":"936ee2675eee1faca0dcdfa79165c7990422e0fc","status":"affected","lessThan":"50c7a6d2bf179588ba2daee97be93d19c96a94af","versionType":"git"},{"version":"936ee2675eee1faca0dcdfa79165c7990422e0fc","status":"affected","lessThan":"bace7b99bfa555fe833aee8827b8004c43666d02","versionType":"git"},{"version":"936ee2675eee1faca0dcdfa79165c7990422e0fc","status":"affected","lessThan":"1f34ea5f6114011092d9a5c8b901ad6741144a1d","versionType":"git"},{"version":"936ee2675eee1faca0dcdfa79165c7990422e0fc","status":"affected","lessThan":"1c1e0fc88d6ef65bf15d517853251f75ab9d18c3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpio/gpio-rockchip.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.96","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.36","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.13","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpio/gpio-rockchip.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/6198123cac2ffd9d9a9d252dfa84ab81fb487ba3"},{"url":"https://git.kernel.org/stable/c/50c7a6d2bf179588ba2daee97be93d19c96a94af"},{"url":"https://git.kernel.org/stable/c/bace7b99bfa555fe833aee8827b8004c43666d02"},{"url":"https://git.kernel.org/stable/c/1f34ea5f6114011092d9a5c8b901ad6741144a1d"},{"url":"https://git.kernel.org/stable/c/1c1e0fc88d6ef65bf15d517853251f75ab9d18c3"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-21T12:42:17.298Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.12.96"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.18.36"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"7.0.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}