{"action":"Upgrade linux to 6.1.159-1 or later.","affected":[{"fixed":"6.1.159-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["6.1.159-1"],"id":"tcs_01M5NNTXV5V50XWNPD6XMSMQ6P","modified_at":"2026-10-15T10:02:06.640276512Z","published_at":"2025-12-08T01:16:02.567Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-40304","https://security-tracker.debian.org/tracker/CVE-2025-40304"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-40304","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-40304"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: fbdev: Add bounds checking in bit_putcs to fix vmalloc-out-of-bounds Add bounds checking to prevent writes past framebuffer boundari"}