{"schema_version":"1.9.0","id":"CVE-2026-63930","published":"2026-07-19T14:55:30.016Z","modified":"2026-08-31T18:26:04.595598648Z","related":["SUSE-SU-2026:23066-1","SUSE-SU-2026:23068-1","SUSE-SU-2026:23193-1","SUSE-SU-2026:23194-1","SUSE-SU-2026:23221-1","SUSE-SU-2026:23231-1","SUSE-SU-2026:23237-1","SUSE-SU-2026:23241-1","SUSE-SU-2026:23244-1","SUSE-SU-2026:3790-1","SUSE-SU-2026:3810-1","openSUSE-SU-2026:21555-1"],"summary":"iio: buffer: hw-consumer: fix use-after-free in error path","details":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: buffer: hw-consumer: fix use-after-free in error path\n\nIn the err_put_buffers cleanup path of iio_hw_consumer_alloc(), the code\nwas using list_for_each_entry() to iterate through buffers while calling\niio_buffer_put() which can free the current buffer if refcount drops to 0.\nThe list_for_each_entry() loop macro then evaluates buf->head.next to\ncontinue iteration, accessing the freed buffer.\n\nFix this by using list_for_each_entry_safe().","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"48b66f8f936f369bb1a43c12aedbfeb2975baf4c"},{"fixed":"b71893c57730809c222766e5718bb33610f11963"},{"fixed":"2ff615fc455acda5425c4900160cbe11cfea4449"},{"fixed":"d2759d49860b9a39b5cde2fb88e4b822ddf5f58f"},{"fixed":"29783e6b6ec0b7152a15e53a063f17537e81177d"},{"fixed":"e965627f0d442bfcae3f496c90cb653fb0917a61"},{"fixed":"a3763ae33476328cf8d661742deb9daec78eac96"},{"fixed":"9319c94f63ed10723afd738d79f5617daba87cc8"},{"fixed":"6f5ed4f2c7c83f33344e0ba179f72a12e5dad4a4"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63930.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.16.0"},{"fixed":"5.10.259"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.210"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.176"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.143"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"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-2026-63930.json"}}],"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/29783e6b6ec0b7152a15e53a063f17537e81177d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2ff615fc455acda5425c4900160cbe11cfea4449"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6f5ed4f2c7c83f33344e0ba179f72a12e5dad4a4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9319c94f63ed10723afd738d79f5617daba87cc8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a3763ae33476328cf8d661742deb9daec78eac96"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b71893c57730809c222766e5718bb33610f11963"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d2759d49860b9a39b5cde2fb88e4b822ddf5f58f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e965627f0d442bfcae3f496c90cb653fb0917a61"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63930.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63930"},{"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-2026-63930.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}