{"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_01M5NNTTZQZZF3B69723537DRN","modified_at":"2026-10-15T10:02:06.442940925Z","published_at":"2025-12-08T01:16:01.293Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-40293","https://security-tracker.debian.org/tracker/CVE-2025-40293"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-40293","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-40293"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: iommufd: Don't overflow during division for dirty tracking If pgshift is 63 then BITS_PER_TYPE(*bitmap->bitmap) * pgsize will overfl"}