{"id":"CVE-2026-68422","summary":"btrfs: fix root leak if its reloc root is unexpected in merge_reloc_roots()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix root leak if its reloc root is unexpected in merge_reloc_roots()\n\nIf we have an unexpected reloc_root for our root, we jump to the out label\nbut never drop the reference we obtained for root, resulting in a leak.\nAdd a missing btrfs_put_root() call.","modified":"2026-08-12T04:24:32.691874931Z","published":"2026-08-10T12:04:42.949Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68422.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/60a23d4ea169e27403f3bb023bb98036797c0206"},{"type":"WEB","url":"https://git.kernel.org/stable/c/72f673d1c1deb819554d3e7e154f6d84301eb735"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7591d1727067d6063247901ad25c4bdc4e5695c4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b3d39b03799600c76c33486e2d29b73a771023db"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ce6050bafb4e33377dc17fcc357736bfc351180c"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68422.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68422"},{"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":"24213fa46c7080c31d79aa2e3e2f0d9480cab700"},{"fixed":"b3d39b03799600c76c33486e2d29b73a771023db"},{"fixed":"72f673d1c1deb819554d3e7e154f6d84301eb735"},{"fixed":"60a23d4ea169e27403f3bb023bb98036797c0206"},{"fixed":"7591d1727067d6063247901ad25c4bdc4e5695c4"},{"fixed":"ce6050bafb4e33377dc17fcc357736bfc351180c"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-68422.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.13.0"},{"fixed":"6.6.148"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.101"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.42"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-68422.json"}}],"schema_version":"1.9.0"}