{"action":"Upgrade linux to 6.12.43-1 or later.","affected":[{"fixed":"6.12.43-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.43-1"],"id":"tcs_01M5NNNTE9BKA17PYQEMHK3NKT","modified_at":"2026-10-23T18:04:34.512948093Z","published_at":"2025-09-11T17:15:38.430Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-39749","https://security-tracker.debian.org/tracker/CVE-2025-39749"],"severity":{"label":"high","score":7},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-39749#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-39749"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: rcu: Protect ->defer_qs_iw_pending from data race On kernels built with CONFIG_IRQ_WORK=y, when rcu_read_unlock() is invoked within"}