{"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_01M5NG4P2W79MS1S4RNQAZFH7P","modified_at":"2026-10-23T18:04:18.192471511Z","published_at":"2024-03-04T18:15:07.457Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-47087","https://security-tracker.debian.org/tracker/CVE-2021-47087"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-47087#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-47087"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: tee: optee: Fix incorrect page free bug Pointer to the allocated pages (struct page *page) has already progressed towards the end of"}