{"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_01M5NNKFXT8KHY1TPW8R2D9BNM","modified_at":"2026-09-01T20:05:49.415937501Z","published_at":"2025-08-19T17:15:35.020Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-38579","https://security-tracker.debian.org/tracker/CVE-2025-38579"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-38579#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-38579"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: f2fs: fix KMSAN uninit-value in extent_info usage KMSAN reported a use of uninitialized value in `__is_extent_mergeable()` and `__is"}