{"action":"Upgrade linux to 6.1.187-1 or later.","affected":[{"fixed":"6.1.187-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["6.1.187-1"],"id":"tcs_01M5NVS0B8RNS9YFRJ3BQZWDMD","modified_at":"2026-10-23T18:05:06.232732034Z","published_at":"2026-09-04T16:18:05.613Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-80793","https://security-tracker.debian.org/tracker/CVE-2026-80793"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-80793","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-80793"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: ipv4: reject undersized MTUs in ip_do_fragment() ip_do_fragment() subtracts the IPv4 header length from the effective MTU and passes"}