{"id":"CVE-2026-98668","summary":"iio: buffer: Ensure bounce buffer used for unaligned case is zeroed.","details":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: buffer: Ensure bounce buffer used for unaligned case is zeroed.\n\niio_push_to_buffers_with_ts_unaligned() leaks uninitialized heap memory\nto userspace if the data passed in is not a multiple of 8 bytes and the\ntimestamp is enabled. Specify __GFP_ZERO for the devm_krealloc()\nto ensure any extra space is cleared.","modified":"2026-10-20T02:30:32.538968852Z","published":"2026-10-18T15:44:55.291Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98668.json"},"references":[{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3a87212b1a09a1fdd730ce5520f7b1fc0b488511"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5330036bc68d23672bfcc16c60c54701ae123083"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b134ef820610bd873c9d59999d9824710964ce82"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b5c2f21f645e40c70fda2a4283e6f2a81e5cb9f2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98668.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98668"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6"},{"fixed":"b5c2f21f645e40c70fda2a4283e6f2a81e5cb9f2"},{"fixed":"b134ef820610bd873c9d59999d9824710964ce82"},{"fixed":"3a87212b1a09a1fdd730ce5520f7b1fc0b488511"},{"fixed":"5330036bc68d23672bfcc16c60c54701ae123083"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98668.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.12.113"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.56"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98668.json"}}],"schema_version":"1.9.0"}