{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"7f9eb6aaf9a3ab7fa2b7dcc38660c27db12d4ec1","status":"affected","version":"a060b8c511abb0997381b397e52149a5e3e5259a","versionType":"git"},{"lessThan":"cf73c3fc03c43a8a86fd487c62390b4744eff9ec","status":"affected","version":"a060b8c511abb0997381b397e52149a5e3e5259a","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"6.19"},{"lessThan":"6.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.13","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}]}],"cveId":"CVE-2026-99257","cwes":[],"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.","epss":null,"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793706045753,"publishedAt":1793705114374,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/7f9eb6aaf9a3ab7fa2b7dcc38660c27db12d4ec1"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/cf73c3fc03c43a8a86fd487c62390b4744eff9ec"}],"remediation":[],"revision":"c9cc7104d9b9f8a8d939403c38bb6267503de9274f11f359918eb86e12a34997","sources":[{"modifiedAt":1793706045753,"name":"CNA: Linux","retrievedAt":1793707745968,"url":"https://www.cve.org/CVERecord?id=CVE-2026-99257"}],"ssvc":null,"status":"published","title":"gpio: shared: gracefully handle no-device lookup of shared GPIOs","updatedAt":1793707745968}