{"id":"CVE-2026-68089","summary":"iio: core: fix uninitialized data in debugfs","details":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: core: fix uninitialized data in debugfs\n\nIf *ppos is non-zero then simple_write_to_buffer() will not initialize\nthe start of buf[].  Non zero values for *ppos aren't going to work\nanyway.  Test for them at the start of the function and return -EINVAL.","modified":"2026-08-18T03:31:03.407337513Z","published":"2026-08-10T11:51:43.963Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68089.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/89fbd3e32dffb6227f936a9578e6eb4632aa4580"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ab92ed206d41fd171ebd37bc46360d9f2140d043"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e166a8cfb28a3d0da260dd70cae274eb8c7cec8d"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68089.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68089"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"6d5dd486c715908b5a6ed02315a15ff044a91025"},{"fixed":"e166a8cfb28a3d0da260dd70cae274eb8c7cec8d"},{"fixed":"89fbd3e32dffb6227f936a9578e6eb4632aa4580"},{"fixed":"ab92ed206d41fd171ebd37bc46360d9f2140d043"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-68089.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.15.0"},{"fixed":"6.18.39"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-68089.json"}}],"schema_version":"1.9.0"}