{"schema_version":"1.9.0","id":"CVE-2026-63936","published":"2026-07-19T14:55:33.942Z","modified":"2026-08-27T18:26:18.415732394Z","related":["SUSE-SU-2026:23066-1","SUSE-SU-2026:23068-1","SUSE-SU-2026:23221-1","SUSE-SU-2026:23231-1","SUSE-SU-2026:23237-1","openSUSE-SU-2026:21555-1"],"summary":"iio: adc: mt6359: fix unchecked return value in mt6358_read_imp","details":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: adc: mt6359: fix unchecked return value in mt6358_read_imp\n\nIn mt6358_read_imp(), the variable val_v is passed to regmap_read()\nbut the return value is not checked. If the read fails, val_v remains\nuninitialized and its random stack content is subsequently reported\nas a measurement result.\n\nInitialize val_v to zero to ensure a predictable value is reported\nin case of bus failure and to prevent potential stack data leakage.\nThis also satisfies static analyzers that might otherwise flag the\nvariable as used uninitialized.","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"3587914bf61df7924933530353d840378cdc4973"},{"fixed":"6258bfec51e894ea97b8e69f3cde7af269b37de9"},{"fixed":"944082fdb0284a31c0b37a88c8a1d4404da3a6d9"},{"fixed":"a72f8e51d6ee66c255a8a93a4421b8a538d112a8"},{"fixed":"f9bbd943c34a9ad60e593a4b99ce2394e4e2381b"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63936.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.11.0"},{"fixed":"6.12.93"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.35"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.12"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63936.json"}}],"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/6258bfec51e894ea97b8e69f3cde7af269b37de9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/944082fdb0284a31c0b37a88c8a1d4404da3a6d9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a72f8e51d6ee66c255a8a93a4421b8a538d112a8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f9bbd943c34a9ad60e593a4b99ce2394e4e2381b"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63936.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63936"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63936.json"}}