{"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:13","exploited":false,"fixed_versions":["5.15.15-1"],"id":"tcs_01M5NG7VPNMSHF1PCKX4KM6YYB","modified_at":"2026-10-23T18:04:51.493812418Z","published_at":"2024-05-24T15:15:11Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-47505","https://security-tracker.debian.org/tracker/CVE-2021-47505"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-47505#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-47505"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: aio: fix use-after-free due to missing POLLFREE handling signalfd_poll() and binder_poll() are special in that they use a waitqueue"}