{"id":"CVE-2026-43440","summary":"net/mana: Null service_wq on setup error to prevent double destroy","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mana: Null service_wq on setup error to prevent double destroy\n\nIn mana_gd_setup() error path, set gc-\u003eservice_wq to NULL after\ndestroy_workqueue() to match the cleanup in mana_gd_cleanup().\nThis prevents a use-after-free if the workqueue pointer is checked\nafter a failed setup.","modified":"2026-07-08T08:13:29.859323192Z","published":"2026-05-08T14:22:09.334Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43440.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/59489ce60d7412ed82fb1d8002faa3102dcd4916"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6c92392602b451e3869f15ab685f8f650e942b13"},{"type":"WEB","url":"https://git.kernel.org/stable/c/87c2302813abc55c46485711a678e3c312b00666"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43440.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43440"},{"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":"fa3c2f8d9152344a478abb847081c1b5f84a94f5"},{"fixed":"59489ce60d7412ed82fb1d8002faa3102dcd4916"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"a9a7c3203fdc4d4a8d8a7a3b1ed05d2bb4c6e77e"},{"fixed":"6c92392602b451e3869f15ab685f8f650e942b13"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"f975a0955276579e2176a134366ed586071c7c6a"},{"fixed":"87c2302813abc55c46485711a678e3c312b00666"}]}],"versions":["v6.18.18","v6.18.17","v6.18.16","v6.19.8","v6.19.7","v6.19.6"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43440.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.18.16"},{"fixed":"6.18.19"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.6"},{"fixed":"6.19.9"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43440.json"}}],"schema_version":"1.7.5"}