{"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-99257.json"},"ranges":[{"events":[{"introduced":"a060b8c511abb0997381b397e52149a5e3e5259a"},{"fixed":"7f9eb6aaf9a3ab7fa2b7dcc38660c27db12d4ec1"},{"fixed":"cf73c3fc03c43a8a86fd487c62390b4744eff9ec"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","type":"GIT"}]},{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-99257.json"},"package":{"ecosystem":"Linux","name":"Kernel"},"ranges":[{"events":[{"introduced":"6.19.0"},{"fixed":"7.2.13"}],"type":"ECOSYSTEM"}]}],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/99xxx/CVE-2026-99257.json"},"details":"In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: shared: gracefully handle no-device lookup of shared GPIOs\n\nWe use platform lookup tables for shared GPIOs. This mechanism needs a\nstruct device to work so fwnode-based lookup with no device associated\ncurrently causes a NULL-pointer deference.\n\nAdding this functionality will require a larger rework and it has never\nworked anyway so add a check that allows the kernel to gracefully handle\nthis situation with an error ahead of implementing that functionality as\na new feature.","id":"CVE-2026-99257","modified":"2026-11-05T03:31:29.984277186Z","published":"2026-11-03T11:25:14.374Z","references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/7f9eb6aaf9a3ab7fa2b7dcc38660c27db12d4ec1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cf73c3fc03c43a8a86fd487c62390b4744eff9ec"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/99xxx/CVE-2026-99257.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-99257"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"schema_version":"1.9.2","summary":"gpio: shared: gracefully handle no-device lookup of shared GPIOs"}