{"action":"Upgrade linux to 6.1.129-1 or later.","affected":[{"fixed":"6.1.129-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["6.1.129-1"],"id":"tcs_01M5NN1KKWQR3Z6576D3RN2Z9T","modified_at":"2026-10-15T09:47:37.952748930Z","published_at":"2025-02-27T03:15:17.063Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21764","https://security-tracker.debian.org/tracker/CVE-2025-21764"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21764","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21764"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: ndisc: use RCU protection in ndisc_alloc_skb() ndisc_alloc_skb() can be called without RTNL or RCU being held. Add RCU protection to"}