{"id":"CVE-2026-92482","state":"PUBLISHED","title":"pinctrl: mediatek: use devm_gpiochip_add_data() for GPIO chip","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: mediatek: use devm_gpiochip_add_data() for GPIO chip\n\nThe gpio_chip is allocated with device-managed memory but registered with\nthe non-managed gpiochip_add_data(). This was harmless while the drivers\nwere built-in, but once they can be built as modules and unbound/rmmod'd,\ndevm frees the gpio_chip's memory while it is still registered, causing a\nuse-after-free.\n\nRegister it with devm_gpiochip_add_data() so it shares the same\ndevice-managed lifecycle, which also lets the manual gpiochip_remove()\nerror paths go away.","publishedAt":"2026-09-17T16:09:59.019Z","updatedAt":"2026-10-30T12:35:37.777Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a6df410d420aa4ff316797d352f69e7ebae5ff98","status":"affected","lessThan":"13a25cb4f0f0863afded5e915cb3bceede221426","versionType":"git"},{"version":"a6df410d420aa4ff316797d352f69e7ebae5ff98","status":"affected","lessThan":"dc6e5d802c88468290fee8826dd3a54cf58da25a","versionType":"git"},{"version":"a6df410d420aa4ff316797d352f69e7ebae5ff98","status":"affected","lessThan":"2490528a90a26f408ec3e95f865bad35454f9ff3","versionType":"git"},{"version":"a6df410d420aa4ff316797d352f69e7ebae5ff98","status":"affected","lessThan":"01b5fcdc30c0ab35af960b60508eae1f7f7d32fd","versionType":"git"},{"version":"a6df410d420aa4ff316797d352f69e7ebae5ff98","status":"affected","lessThan":"b8fa1098ee9f627d38bdf7c0ef6c1a6058a4165b","versionType":"git"},{"version":"a6df410d420aa4ff316797d352f69e7ebae5ff98","status":"affected","lessThan":"9c650317ba553d297f3fc5f0ae40ec53d86f9dab","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pinctrl/mediatek/pinctrl-moore.c","drivers/pinctrl/mediatek/pinctrl-mtk-common.c","drivers/pinctrl/mediatek/pinctrl-paris.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.1","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","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/pinctrl/mediatek/pinctrl-moore.c","drivers/pinctrl/mediatek/pinctrl-mtk-common.c","drivers/pinctrl/mediatek/pinctrl-paris.c"]}],"references":["https://git.kernel.org/stable/c/13a25cb4f0f0863afded5e915cb3bceede221426","https://git.kernel.org/stable/c/dc6e5d802c88468290fee8826dd3a54cf58da25a","https://git.kernel.org/stable/c/2490528a90a26f408ec3e95f865bad35454f9ff3","https://git.kernel.org/stable/c/01b5fcdc30c0ab35af960b60508eae1f7f7d32fd","https://git.kernel.org/stable/c/b8fa1098ee9f627d38bdf7c0ef6c1a6058a4165b","https://git.kernel.org/stable/c/9c650317ba553d297f3fc5f0ae40ec53d86f9dab"],"weaknesses":[],"ingestedAt":"2026-10-30T12:54:04.478Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/92xxx/CVE-2026-92482.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-92482","state":"PUBLISHED","datePublished":"2026-09-17T16:09:59.019Z","dateUpdated":"2026-10-30T12:35:37.777Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-16T12:21:13.870Z"},"containers":{"cna":{"title":"pinctrl: mediatek: use devm_gpiochip_add_data() for GPIO chip","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: mediatek: use devm_gpiochip_add_data() for GPIO chip\n\nThe gpio_chip is allocated with device-managed memory but registered with\nthe non-managed gpiochip_add_data(). This was harmless while the drivers\nwere built-in, but once they can be built as modules and unbound/rmmod'd,\ndevm frees the gpio_chip's memory while it is still registered, causing a\nuse-after-free.\n\nRegister it with devm_gpiochip_add_data() so it shares the same\ndevice-managed lifecycle, which also lets the manual gpiochip_remove()\nerror paths go away."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a6df410d420aa4ff316797d352f69e7ebae5ff98","status":"affected","lessThan":"13a25cb4f0f0863afded5e915cb3bceede221426","versionType":"git"},{"version":"a6df410d420aa4ff316797d352f69e7ebae5ff98","status":"affected","lessThan":"dc6e5d802c88468290fee8826dd3a54cf58da25a","versionType":"git"},{"version":"a6df410d420aa4ff316797d352f69e7ebae5ff98","status":"affected","lessThan":"2490528a90a26f408ec3e95f865bad35454f9ff3","versionType":"git"},{"version":"a6df410d420aa4ff316797d352f69e7ebae5ff98","status":"affected","lessThan":"01b5fcdc30c0ab35af960b60508eae1f7f7d32fd","versionType":"git"},{"version":"a6df410d420aa4ff316797d352f69e7ebae5ff98","status":"affected","lessThan":"b8fa1098ee9f627d38bdf7c0ef6c1a6058a4165b","versionType":"git"},{"version":"a6df410d420aa4ff316797d352f69e7ebae5ff98","status":"affected","lessThan":"9c650317ba553d297f3fc5f0ae40ec53d86f9dab","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pinctrl/mediatek/pinctrl-moore.c","drivers/pinctrl/mediatek/pinctrl-mtk-common.c","drivers/pinctrl/mediatek/pinctrl-paris.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.1","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","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/pinctrl/mediatek/pinctrl-moore.c","drivers/pinctrl/mediatek/pinctrl-mtk-common.c","drivers/pinctrl/mediatek/pinctrl-paris.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/13a25cb4f0f0863afded5e915cb3bceede221426"},{"url":"https://git.kernel.org/stable/c/dc6e5d802c88468290fee8826dd3a54cf58da25a"},{"url":"https://git.kernel.org/stable/c/2490528a90a26f408ec3e95f865bad35454f9ff3"},{"url":"https://git.kernel.org/stable/c/01b5fcdc30c0ab35af960b60508eae1f7f7d32fd"},{"url":"https://git.kernel.org/stable/c/b8fa1098ee9f627d38bdf7c0ef6c1a6058a4165b"},{"url":"https://git.kernel.org/stable/c/9c650317ba553d297f3fc5f0ae40ec53d86f9dab"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:35:37.777Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"6.12.114"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"6.18.57"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}