{"id":"CVE-2026-92482","title":"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_da…","summary":"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_da…","severity":"medium","vendor":"Linux","product":"Linux","affected":["Linux >= a6df410d420aa4ff316797d352f69e7ebae5ff98 < b8fa1098ee9f627d38bdf7c0ef6c1a6058a4165b","Linux >= a6df410d420aa4ff316797d352f69e7ebae5ff98 < 9c650317ba553d297f3fc5f0ae40ec53d86f9dab","Linux 4.1"],"published":"2026-09-17","updated":"2026-10-15","sourceUpdated":"2026-10-15T11:18:04.487","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-92482","references":[{"url":"https://git.kernel.org/stable/c/01b5fcdc30c0ab35af960b60508eae1f7f7d32fd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9c650317ba553d297f3fc5f0ae40ec53d86f9dab","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b8fa1098ee9f627d38bdf7c0ef6c1a6058a4165b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-92482.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-92482"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2536371"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-92482"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92482"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-92482.mbox"},{"url":"https://git.kernel.org/stable/c/dc6e5d802c88468290fee8826dd3a54cf58da25a"},{"url":"https://git.kernel.org/stable/c/2490528a90a26f408ec3e95f865bad35454f9ff3"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00209,"epssPercentile":0.10945,"ingestedAt":"2026-09-17T16:21:47.788Z","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":["CWE-825"],"slug":"CVE-2026-92482","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · updated 2026-10-20 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-92482.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":225569,"id":"CVE-2026-92482","ts":1792498299467,"field":"cvss","old":null,"new":"5.5"},{"seq":225568,"id":"CVE-2026-92482","ts":1792498299467,"field":"severity","old":"none","new":"medium"}]}