{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NN2AJECSJWCSW2ZN26JP4E","modified_at":"2026-10-16T10:01:14.063999129Z","published_at":"2025-03-07T09:15:16.600Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21836","https://security-tracker.debian.org/tracker/CVE-2025-21836"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21836","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21836"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: io_uring/kbuf: reallocate buf lists on upgrade IORING_REGISTER_PBUF_RING can reuse an old struct io_buffer_list if it was created fo"}