{"id":"CVE-2026-99257","aliases":[],"cve":{"records":[{"id":"CVE-2026-99257","source":"Linux","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-09-25T10:25:14.404Z","published":"2026-11-03T11:25:14.374Z","modified":"2026-11-03T11:40:45.753Z"}],"publishers":[{"name":"Linux","role":"CNA","organizationId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","modified":"2026-11-03T11:40:45.753Z"}],"references":[{"url":"https://git.kernel.org/stable/c/7f9eb6aaf9a3ab7fa2b7dcc38660c27db12d4ec1","tags":[],"source":"Linux"},{"url":"https://git.kernel.org/stable/c/cf73c3fc03c43a8a86fd487c62390b4744eff9ec","tags":[],"source":"Linux"}],"weaknesses":[],"applicability":[{"source":"Linux","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"7.2.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"7.3"}]}]}]}],"prioritization":[]},"title":"gpio: shared: gracefully handle no-device lookup of shared GPIOs","titleSource":"Linux","descriptionSource":"Linux","description":"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.","score":null,"severity":"unknown","published":"2026-11-03T11:25:14.374Z","modified":"2026-11-03T11:40:45.753Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"a060b8c511abb0997381b397e52149a5e3e5259a","status":"affected","lessThan":"7f9eb6aaf9a3ab7fa2b7dcc38660c27db12d4ec1","versionType":"git"},{"version":"a060b8c511abb0997381b397e52149a5e3e5259a","status":"affected","lessThan":"cf73c3fc03c43a8a86fd487c62390b4744eff9ec","versionType":"git"}],"defaultStatus":"unaffected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-99257"},{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"6.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.19","versionType":"semver"},{"version":"7.2.13","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"defaultStatus":"affected","cpes":[],"source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-99257"}],"remediation":[],"references":["https://git.kernel.org/stable/c/7f9eb6aaf9a3ab7fa2b7dcc38660c27db12d4ec1","https://git.kernel.org/stable/c/cf73c3fc03c43a8a86fd487c62390b4744eff9ec"],"sources":[{"name":"CVE","id":"CVE-2026-99257","modified":"2026-11-03T11:40:45.753Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-99257"}],"assessments":[],"sourceAffected":[],"observedAt":"2026-11-03T11:45:43.169Z","kev":{"status":"not-listed","checkedAt":"2026-11-06T21:20:33.816Z"},"coverage":[{"source":"NVD","status":"no-result","checkedAt":"2026-11-03T11:40:31.770Z","attemptedAt":"2026-11-03T11:40:31.770Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-11-03T11:40:32.498Z","attemptedAt":"2026-11-03T11:40:32.498Z"},{"source":"EUVD","status":"no-result","checkedAt":"2026-11-03T11:40:31.770Z","attemptedAt":"2026-11-03T11:40:31.770Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-11-03T11:40:32.223Z","attemptedAt":"2026-11-03T11:40:32.223Z"}],"evidence":[],"aiSummary":null}