{"action":"Upgrade linux to 6.12.63-1 or later.","affected":[{"fixed":"6.12.63-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.63-1"],"id":"tcs_01M5NPA6JQMC7BGGHBRJQT0Y1P","modified_at":"2026-10-15T10:02:13.651769501Z","published_at":"2026-01-05T10:15:56.657Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-68756","https://security-tracker.debian.org/tracker/CVE-2025-68756"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-68756","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-68756"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: block: Use RCU in blk_mq_[un]quiesce_tagset() instead of set->tag_list_lock blk_mq_{add,del}_queue_tag_set() functions add and remov"}