{"id":"CVE-2021-37159","revision":"e2455994e496499f8c49fc7ed10b635e","records":[{"revision":"e2455994e496499f8c49fc7ed10b635e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2021-37159","aliases":[],"title":"hso_free_net_device in drivers/net/usb/hso.c in the Linux kernel through 5.13.4 calls unregister_netdev without checking for the NETREG_REGISTERED state, leading to a use-after-free and a double free.","description":"hso_free_net_device in drivers/net/usb/hso.c in the Linux kernel through 5.13.4 calls unregister_netdev without checking for the NETREG_REGISTERED state, leading to a use-after-free and a double free.","state":0,"publishedAt":"2021-07-21T00:00:00+00:00","modifiedAt":"2026-10-08T21:14:06.882+00:00","affected":[{"ecosystem":"Vendor product","name":"n/a","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n/a\",\n                    \"product\": \"n/a\",\n                    \"versions\": [\n                        {\n                            \"version\": \"n/a\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://www.spinics.net/lists/linux-usb/msg202228.html","https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html","https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html","https://www.oracle.com/security-alerts/cpujul2022.html","https://security.netapp.com/advisory/ntap-20210819-0003/","https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a6ecfb39ba9d7316057cea823b196b734f6b18ca","https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dcb713d53e2eadf42b878c12a471e74dc6ed3145","https://bugzilla.suse.com/show_bug.cgi?id=1188601"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2021-37159","license":"CVE Program Terms of Use","key":"cve-program:CVE-2021-37159","identifiers":["CVE-2021-37159"]},"retained":false,"historicalAffected":[]}],"coverage":[]}