{"id":"CVE-2026-80860","summary":"fuse: fix race between interrupt and resend","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nfuse: fix race between interrupt and resend\n\nAfter commit f8fce75fedf7 (\"fuse: clear intr_entry in fuse_resend and\nfuse_remove_pending_req\") the WARN_ON(!list_empty(&req-\u003eintr_entry)) in\nfuse_request_free() still triggers due to the following race:\n\nIn request_wait_answer()\n  if (test_bit(FR_SENT, &req-\u003eflags)) -\u003e returns true\n\nIn fuse_chan_resend()\n  clear_bit(FR_SENT, &req-\u003eflags)\n\nIn request_wait_answer()\n  queue_interrupt(req)\n\nFix by:\n\n - move clearing FR_SENT inside fpq-\u003elock\n\n - move setting FR_PENDING inside fiq-\u003elock\n\n - recheck FR_SENT after acquiring fiq-\u003elock in fuse_dev_queue_interrupt()","modified":"2026-10-28T02:30:36.781097364Z","published":"2026-09-04T15:55:14.285Z","related":["openSUSE-SU-2026:11773-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80860.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0f930904452945f409eeeb0c9afa08bf27185cb1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/26fbe4bc3ef3ab0200407681cbef182af5d151de"},{"type":"WEB","url":"https://git.kernel.org/stable/c/67ddf061790e833d7e34f9dc901866c9fb25d72d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ed9c881f3b498383f73c42712b359419da42a7b0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80860.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80860"},{"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":"1d8ecd0cd696a5df0b2f72046a4ccee5d2a8ec2c"},{"fixed":"67ddf061790e833d7e34f9dc901866c9fb25d72d"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"7366e6f4d2b4c7002b13fb01219e83679dad4127"},{"fixed":"0f930904452945f409eeeb0c9afa08bf27185cb1"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"f8fce75fedf73ac72aa09163deb8f4291fdcaad2"},{"fixed":"26fbe4bc3ef3ab0200407681cbef182af5d151de"},{"fixed":"ed9c881f3b498383f73c42712b359419da42a7b0"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"6.12.96"},{"fixed":"6.12.111"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"6.18.39"},{"fixed":"6.18.51"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"7.1.4"},{"fixed":"7.2"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"893479015cb6442fd389d3b553ab3036c9541715"}]}],"versions":["v6.12.110","v6.12.109","v6.12.108","v6.12.107","v6.12.106","v6.12.105","v6.12.104","v6.12.103","v6.12.102","v6.12.101","v6.12.100","v6.12.99","v6.12.98","v6.12.97","v6.12.96","v6.18.50","v6.18.49","v6.18.48","v6.18.47","v6.18.46","v6.18.45","v6.18.44","v6.18.43","v6.18.42","v6.18.41","v6.18.40","v6.18.39","v7.1.13","v7.1.12","v7.1.11","v7.1.10","v7.1.9","v7.1.8","v7.1.7","v7.1.6","v7.1.5","v7.1.4"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80860.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.12.111"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.51"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.3"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80860.json"}}],"schema_version":"1.9.2"}