{"id":"CVE-2026-80720","summary":"iomap: add a separate bio_set for iomap_split_ioend","details":"In the Linux kernel, the following vulnerability has been resolved:\n\niomap: add a separate bio_set for iomap_split_ioend\n\niomap_split_ioend can split bios that already come from\niomap_ioend_bioset and thus deadlock when the bioset is exhausted.\n\nAdd a separate bio_set to avoid this deadlock.\n\nChristian Brauner \u003cbrauner@kernel.org\u003e says:\nMark iomap_ioend_split_bioset static as it is only used in ioend.c,\nfixing the sparse warning reported by the kernel test robot.","modified":"2026-08-29T03:47:17.236724934Z","published":"2026-08-28T06:53:16.683Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80720.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/4a869be56e9f6ce7462abcf324ebdefc5de051be"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c679ce3be6cb63763d68ab9b5d9d73ddc0a40762"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cfc686a1174aa904dcad9b9a7c5e46b484d27e4e"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80720.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80720"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5fcbd555d48390a8c819ba7fdf55fbfcabe05c80"},{"fixed":"cfc686a1174aa904dcad9b9a7c5e46b484d27e4e"},{"fixed":"4a869be56e9f6ce7462abcf324ebdefc5de051be"},{"fixed":"c679ce3be6cb63763d68ab9b5d9d73ddc0a40762"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80720.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.15.0"},{"fixed":"6.18.44"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80720.json"}}],"schema_version":"1.9.0"}