{"action":"Upgrade linux to 5.15.15-1 or later.","affected":[{"fixed":"5.15.15-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["5.15.15-1"],"id":"tcs_01M5NG8GDD4ST9216RMA5N230Z","modified_at":"2026-10-23T18:04:51.566072737Z","published_at":"2024-06-19T15:15:53.383Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-47588","https://security-tracker.debian.org/tracker/CVE-2021-47588"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-47588","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-47588"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: sit: do not call ipip6_dev_free() from sit_init_net() ipip6_dev_free is sit dev->priv_destructor, already called by register_netdevi"}